Powered by Deep Web Technologies
Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

b100.dvi  

NLE Websites -- All DOE Office Websites (Extended Search)

0 0 Σ (1770) 1/2 + I (J P ) = 1( 1 2 + ) Status: ∗ OMITTED FROM SUMMARY TABLE Evidence for this state now rests solely on solution 1 of BAILLON 75, NODE=B100 (see the footnotes) but the Λ π partial-wave amplitudes of this solu- tion are in disagreement with amplitudes from most other Λ π anal- yses. Σ (1770) MASS Σ (1770) MASS Σ (1770) MASS Σ (1770) MASS NODE=B100M NODE=B100M VALUE (MeV) DOCUMENT ID TECN COMMENT ≈ 1770 OUR ESTIMATE ≈ 1770 OUR ESTIMATE ≈ 1770 OUR ESTIMATE ≈ 1770 OUR ESTIMATE → UNCHECKED ← 1738 ± 10 1 GOPAL 77 DPWA K N multichannel 1770 ± 20 2 BAILLON 75 IPWA K N → Λ π 1772 3 KANE 72 DPWA K - p → Σ π Σ (1770) WIDTH Σ (1770) WIDTH Σ (1770) WIDTH Σ (1770) WIDTH NODE=B100W NODE=B100W VALUE (MeV) DOCUMENT ID TECN COMMENT 72 ± 10 1 GOPAL 77 DPWA K N multichannel 80 ± 30 2 BAILLON 75 IPWA K N → Λ π 80 3 KANE 72 DPWA K - p → Σ π Σ (1770) DECAY MODES Σ (1770) DECAY MODES Σ (1770)

2

Results of the 2007 B100 Quality Survey  

SciTech Connect

In a 2007 analysis of samples from 52% of U.S. biodiesel (B100) producers, 90% met ASTM and other specifications for critical engine performance properties and for elements that harm emission controls.

Alleman, T. L.; McCormick, R. L.

2008-03-01T23:59:59.000Z

3

2006 B100 Quality Survey Results: Milestone Report  

SciTech Connect

In 2006, the National Renewable Energy Laboratory conducted a nationwide quality survey of pure biodiesel (B100) intended to be used as a blendstock. The study collected random samples throughout the United States and analyzed them for quality against the current and proposed ASTM D6751 fuel quality specifications.

Alleman, T. L.; McCormick, R. L.; Deutch, S.

2007-05-01T23:59:59.000Z

4

S M Stoller Star Center-B100  

Office of Legacy Management (LM)

B100 B100 7030-226/Monthly Accutest Job Number: F27169 Sampling Date: 10/05/04 Report to: S M Stoller Cathy.Kelleher@gjo.doe.gov ATTN: Cathy Kelleher Total number of pages in report: Certifications: FL (DOH E83510), NC (573), NJ (FL002), MA (FL946), IA (366), LA (03051), KS (E-10327), SC, AK This report shall not be reproduced, except in its entirety, without the written approval of Accutest Laboratories. Southeast * 4405 Vineland Road * Suite C-15 * Orlando, FL 32811 * tel: 407-425-6700 * fax: 407-425-0707 * http://www.accutest.com Test results contained within this data package meet the requirements of the National Environmental Laboratory Accreditation Conference and/or state specific certification programs as applicable. Harry Behzadi, Ph.D. Laboratory Director

5

S M Stoller Star Center-B100  

Office of Legacy Management (LM)

B100 B100 110406202 Accutest Job Number: F33040 Sampling Date: 07/06/05 Report to: S M Stoller Cathy.Kelleher@gjo.doe.gov ATTN: Cathy Kelleher Total number of pages in report: Certifications: FL (DOH E83510), NC (573), NJ (FL002), MA (FL946), IA (366), LA (03051), KS (E-10327), SC, AK This report shall not be reproduced, except in its entirety, without the written approval of Accutest Laboratories. Southeast * 4405 Vineland Road * Suite C-15 * Orlando, FL 32811 * tel: 407-425-6700 * fax: 407-425-0707 * http://www.accutest.com Test results contained within this data package meet the requirements of the National Environmental Laboratory Accreditation Conference and/or state specific certification programs as applicable. Harry Behzadi, Ph.D. Laboratory Director

6

S M Stoller Star Center-B100  

Office of Legacy Management (LM)

B100 B100 Monthly Sampling, 110406202 Accutest Job Number: F25245 Sampling Date: 07/06/04 Report to: S M Stoller Cathy.Kelleher@gjo.doe.gov ATTN: Cathy Kelleher Total number of pages in report: Certifications: FL (DOH E83510), NC (573), NJ (FL002), MA (FL946), IA (366), LA (03051), KS (E-10327), SC, AK This report shall not be reproduced, except in its entirety, without the written approval of Accutest Laboratories. Southeast * 4405 Vineland Road * Suite C-15 * Orlando, FL 32811 * tel: 407-425-6700 * fax: 407-425-0707 * http://www.accutest.com Test results contained within this data package meet the requirements of the National Environmental Laboratory Accreditation Conference and/or state specific certification programs as applicable. Harry Behzadi, Ph.D.

7

S M Stoller Star Center-B100  

Office of Legacy Management (LM)

/19/06 /19/06 Technical Report for S M Stoller Star Center-B100 110406202 7031-877 Accutest Job Number: F41217 Sampling Date: 06/02/06 Report to: US Dept of Energy, Grand Jct Office 2597 B3/4 Road Grand Junction, CO 81503 ATTN: Contracts Department, PO# 24231 x Total number of pages in report: Certifications: FL (DOH E83510), NC (573), NJ (FL002), MA (FL946), IA (366), LA (03051), KS (E-10327), SC, AK This report shall not be reproduced, except in its entirety, without the written approval of Accutest Laboratories. Southeast * 4405 Vineland Road * Suite C-15 * Orlando, FL 32811 * tel: 407-425-6700 * fax: 407-425-0707 * http://www.accutest.com Test results contained within this data package meet the requirements of the National Environmental Laboratory Accreditation Conference

8

ASL & Plasticity Plasticity  

E-Print Network (OSTI)

ASL & Plasticity #12;Plasticity Plasticity From Wikipedia, the free encyclopedia Plasticity has four meanings: · Plasticity (physics): In physics and engineering, plasticity is the propensity of a material to undergo permanent deformation under load. · Phenotypic plasticity: Describes the degree

Coulson, Seana

9

S M Stoller Star Center-B100 Monthly/Effluent; Largo, FL  

Office of Legacy Management (LM)

Water Date Received: 010506 Percent Solids: na Project: Star Center-B100 General Chemistry Analyte Result RL Units DF Analyzed By Method Hardness, Total as CaCO3 372 4.0 mgl...

10

NREL: News - NREL Survey Shows Dramatic Improvement in B100 Biodiesel  

NLE Websites -- All DOE Office Websites (Extended Search)

213 213 NREL Survey Shows Dramatic Improvement in B100 Biodiesel Quality April 15, 2013 The latest national survey of 100% biodiesel (B100) "blend stock" samples by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) found that 95% of the samples from 2011-12 met ASTM International fuel quality specifications. The ASTM standards serve as guidelines for industry and are designed to ensure quality at the pump for consumers - along with reliable operation of the nation's vehicles powered by biodiesel blends. "The survey showed a major improvement over results from previous years," NREL Senior Chemist Teresa Alleman said. "In our 2007 survey of B100 biodiesel, less than half of the samples met quality specifications.

11

Advantages of Biofuels B100 biodiesel has many benefits over traditional, petroleum-based  

E-Print Network (OSTI)

Advantages of Biofuels B100 biodiesel has many benefits over traditional, petroleum-based diesel-produced biofuels. Environmental & Social Benefits Decreases emissions of fossil fuels that contribute to climate-powered vessel fleet to biofuels and bio-lubricants. This effort produced the first federal vessel to run

12

S M Stoller Star Center-B100 Monthly/Effluent; Largo, FL  

Office of Legacy Management (LM)

B100 Monthly/Effluent; Largo, FL B100 Monthly/Effluent; Largo, FL 7030-226 Accutest Job Number: F30882 Sampling Date: 04/06/05 Report to: S M Stoller Cathy.Kelleher@gjo.doe.gov ATTN: Cathy Kelleher Total number of pages in report: Certifications: FL (DOH E83510), NC (573), NJ (FL002), MA (FL946), IA (366), LA (03051), KS (E-10327), SC, AK This report shall not be reproduced, except in its entirety, without the written approval of Accutest Laboratories. Southeast * 4405 Vineland Road * Suite C-15 * Orlando, FL 32811 * tel: 407-425-6700 * fax: 407-425-0707 * http://www.accutest.com Test results contained within this data package meet the requirements of the National Environmental Laboratory Accreditation Conference and/or state specific certification programs as applicable. Harry Behzadi, Ph.D.

13

S M Stoller Star Center-B100 Monthly/Effluent; Largo, FL  

Office of Legacy Management (LM)

B100 Monthly/Effluent; Largo, FL B100 Monthly/Effluent; Largo, FL 7030-226 Accutest Job Number: F29123 Sampling Date: 01/06/05 Report to: S M Stoller Cathy.Kelleher@gjo.doe.gov ATTN: Cathy Kelleher Total number of pages in report: Certifications: FL (DOH E83510), NC (573), NJ (FL002), MA (FL946), IA (366), LA (03051), KS (E-10327), SC, AK This report shall not be reproduced, except in its entirety, without the written approval of Accutest Laboratories. Southeast * 4405 Vineland Road * Suite C-15 * Orlando, FL 32811 * tel: 407-425-6700 * fax: 407-425-0707 * http://www.accutest.com Test results contained within this data package meet the requirements of the National Environmental Laboratory Accreditation Conference and/or state specific certification programs as applicable. Harry Behzadi, Ph.D.

14

S M Stoller Star Center-B100 Monthly/Effluent; Largo, FL  

Office of Legacy Management (LM)

B100 Monthly/Effluent; Largo, FL B100 Monthly/Effluent; Largo, FL 7031-226 Accutest Job Number: F35493 Sampling Date: 10/04/05 Report to: S M Stoller Cathy.Kelleher@gjo.doe.gov ATTN: Cathy Kelleher Total number of pages in report: Certifications: FL (DOH E83510), NC (573), NJ (FL002), MA (FL946), IA (366), LA (03051), KS (E-10327), SC, AK This report shall not be reproduced, except in its entirety, without the written approval of Accutest Laboratories. Southeast * 4405 Vineland Road * Suite C-15 * Orlando, FL 32811 * tel: 407-425-6700 * fax: 407-425-0707 * http://www.accutest.com Test results contained within this data package meet the requirements of the National Environmental Laboratory Accreditation Conference and/or state specific certification programs as applicable. Harry Behzadi, Ph.D.

15

Plastic Bronchitis  

E-Print Network (OSTI)

al. Three children with plastic bronchitis associated within E mergency M edicine Plastic Bronchitis Annie Quysner, MDElshami AA, Kang DS, et al. Plastic Bronchitis. Eur Resp J

Quysner, Annie; Surani, Salim; Roberts, Daniel

2011-01-01T23:59:59.000Z

16

Polyurethane plastics  

Science Journals Connector (OSTI)

The polyurethanes (PU) offer the widest choice of properties of any group of plastics materials, and the opportunity to incorporate specific chemical structures into a PU chain allows the polymer chemist to ta...

A. W. Birley; R. J. Heath; M. J. Scott

1988-01-01T23:59:59.000Z

17

EPDM plasticizers  

SciTech Connect

The properties of paraffinic, naphthenic, and aromatic extender oils used as EPDM plasticizers are discussed in detail. Particular attention is given to viscosity, volatility, specific gravity, and aromatic content.

Godail, M.J.

1983-08-01T23:59:59.000Z

18

"Period","Annual Production Capacity",,"Monthly B100 Production"  

U.S. Energy Information Administration (EIA) Indexed Site

U.S. Biodiesel Production Capacity and Production" U.S. Biodiesel Production Capacity and Production" "(million gallons)" "Period","Annual Production Capacity",,"Monthly B100 Production" 2011 "January",2114.4475,,35.355469 "February",2103.5975,,40.342355 "March",2081.4975,,59.59017 "April",2101.3975,,71.0517 "May",2064.3975,,77.196652 "June",2068.9975,,81.39104 "July",1958.4975,,91.679738 "August",2007.6575,,95.484891 "September",2087.094651,,95.942151 "October",2118.938151,,105.342474 "November",2097.763151,,104.747315 "December",2089.938151,,109.357332 "Total","--",,967.481287 2012 "January",2203.278151,,73.545575 "February",2202.541,,79.23557

19

Performance and Emissions Characteristics of Bio-Diesel (B100)-Ignited Methane and Propane Combustion in a Four Cylinder Turbocharged Compression Ignition Engine  

SciTech Connect

Different combustion strategies and fuel sources are needed to deal with increasing fuel efficiency demands and emission restrictions. One possible strategy is dual fueling using readily available resources. Propane and natural gas are readily available with the current infrastructure and biodiesel is growing in popularity as a renewable fuel. This paper presents experimental results from dual fuel combustion of methane (as a surrogate for natural gas) and propane as primary fuels with biodiesel pilots in a 1.9 liter, turbocharged, 4 cylinder diesel engine at 1800 rev/min. Experiments were performed with different percentage energy substitutions (PES) of propane and methane and at different brake mean effective pressures (BMEP/bmep). Brake thermal efficiency (BTE) and emissions (NOx, HC, CO, CO2, O2 and smoke) were also measured. Maximum PES levels for B100-methane dual fuelling were limited to 70% at 2.5 bar bmep and 48% at 10 bar bmep, and corresponding values for B100-propane dual fuelling were 64% and 43%, respectively. Maximum PES was limited by misfire at 2.5 bar bmep and the onset of engine knock at 10 bar bmep. Dual fuel BTEs approached straight B100 values at 10 bar bmep while they were significantly lower than B100 values at 2.5 bar bmep. In general dual fuelling was beneficial in reducing NOx and smoke emissions by 33% and 50%, respectively from baseline B100 levels; however, both CO and THC emissions were significantly higher than baseline B100 levels at all PES and loads.

Shoemaker, N. T.; Gibson, C. M.; Polk, A. C.; Krishnan, S. R.; Srinivasan, K. K.

2011-10-05T23:59:59.000Z

20

Data:02f61829-2925-4f11-b100-0293cc8c4e12 | Open Energy Information  

Open Energy Info (EERE)

-2925-4f11-b100-0293cc8c4e12 -2925-4f11-b100-0293cc8c4e12 No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: East Central Oklahoma Elec Coop Inc Effective date: 1995/12/01 End date if known: Rate name: Street Lighting - 401 Watts and Above Sector: Lighting Description: Available upon application to all consumers for illumination at desired points in developed areas served by the Cooperative. Rate Per Month: Up to 400 Watts of lighting installed on wooden pole = $9.50 fixed rate 401 to 1,000 Watts of connected lighting per pole = $0.020/Watt All over 1,000 Watts of connected lighting = $0.015/Watt

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Plastic Flow in Glass  

Science Journals Connector (OSTI)

...1964 research-article Plastic Flow in Glass D. M. Marsh The classical brittle fracture...account for the mechanical properties of glasses, but the widespread evidence of plastic flow in all glass fracture phenomena even at room temperature...

1964-01-01T23:59:59.000Z

22

MECS 2006- Plastics  

Energy.gov (U.S. Department of Energy (DOE))

Manufacturing Energy and Carbon Footprint for Plastics (NAICS 326) Sector with Total Energy Input, October 2012 (MECS 2006)

23

Plastic explosives Mike Hopkins  

E-Print Network (OSTI)

Plastic explosives Mike Hill Mike Hopkins Doug Ravenel What this talk is about The poster The HHRH The reduced E4 -term 1.1 Plastic explosives: A C4 analog of the Kervaire invariant calculation Conference of Virginia Mike Hopkins Harvard University Doug Ravenel University of Rochester #12;Plastic explosives Mike

Ravenel, Douglas

24

Plastics and Insulation  

Science Journals Connector (OSTI)

... the Institution of Electrical Engineers on March 24 to discuss a paper on Plastics and Insulation by L. Hartshorn, N. J. L. Megson and E. Rushton. It ...

1938-04-02T23:59:59.000Z

25

2013 PLASTIC SURGERY VISITING PROFESSOR  

E-Print Network (OSTI)

2013 PLASTIC SURGERY VISITING PROFESSOR Dr. Mutaz B. Habal June 6, 2013 McGill University Division of Plastic Surgery 2013 PLASTIC SURGERY VISITING PROFESSOR Special thanks to our sponsors: Representative: Katherine Marchand Canadian Association of Plastic Surgeons Educational Foundation Division of Plastic

Shoubridge, Eric

26

plastics | OpenEI  

Open Energy Info (EERE)

plastics plastics Dataset Summary Description These data files contain volume, mass, and hardness changes of elastomers and plastics representative exposed to gasoline containing various levels of ethanol. These materials are representative of those used in gasoline fuel storage and dispensing hardware. All values are compared to the original untreated condition. The data sets include results from specimens exposed directly to the fuel liquid and also a set of specimens exposed only to the fuel vapors. Source Mike Kass, Oak Ridge National Laboratory Date Released August 16th, 2012 (2 years ago) Date Updated August 16th, 2012 (2 years ago) Keywords compatibility elastomers ethanol gasoline plastics polymers Data application/vnd.openxmlformats-officedocument.spreadsheetml.sheet icon plastics_dma_results_san.xlsx (xlsx, 4.9 MiB)

27

The Plastic Ocean Michael Gonsior  

E-Print Network (OSTI)

The Plastic Ocean Michael Gonsior Bonnie Monteleone, William Cooper, Jennifer O'Keefe, Pamela Seaton, and Maureen Conte #12;#12;#12;Plastic does not biodegrade it photo-degrades breaking down is the plastic cheese wrap? Unfortunately, marine creatures mistake plastics in the ocean for food #12

Boynton, Walter R.

28

Plastic Magen Industry | Open Energy Information  

Open Energy Info (EERE)

Plastic Magen Industry Jump to: navigation, search Name: Plastic Magen Industry Place: Kibbutz Magen, Israel Zip: 85465 Sector: Solar Product: Manufactures plastic products with a...

29

Interaction of Plastics in Mixed-Plastics Pyrolysis  

Science Journals Connector (OSTI)

The pyrolysis of mixed-plastic waste has been proposed as a means of recycling to produce petrochemical feedstock. ... The main gases produced from the individual plastics were hydrogen, methane, ethane, ethene, propane, propene, butane, and butene and for the PET plastic carbon dioxide and carbon monoxide. ...

Paul T. Williams; Elizabeth A. Williams

1998-12-17T23:59:59.000Z

30

Our plastic age  

Science Journals Connector (OSTI)

...Sciences, University of Missouri, , MO, USA Within the...approximately 8 per cent of world oil production. In this Theme...of monomers derived from oil or gas, and plastics are usually...Around 4 per cent of world oil and gas production, a non-renewable...

2009-01-01T23:59:59.000Z

31

Nottingham Trent University Plastic Recycling  

E-Print Network (OSTI)

5015/03/08 Nottingham Trent University Plastic Recycling Water and fizzy drinks bottles Contaminated plastic (food, fluids, etc.) Oil containers Toxic chemical containers Metal strips or fasteners Carrier bags and bin liners Margarine tubs, wall coverings Yoghurt pots, egg cartons, plastic packaging

Evans, Paul

32

Microelectronics plastic molded packaging  

SciTech Connect

The use of commercial off-the-shelf (COTS) microelectronics for nuclear weapon applications will soon be reality rather than hearsay. The use of COTS for new technologies for uniquely military applications is being driven by the so-called Perry Initiative that requires the U.S. Department of Defense (DoD) to accept and utilize commercial standards for procurement of military systems. Based on this philosophy, coupled with several practical considerations, new weapons systems as well as future upgrades will contain plastic encapsulated microelectronics. However, a conservative Department of Energy (DOE) approach requires lifetime predictive models. Thus, the focus of the current project is on accelerated testing to advance current aging models as well as on the development of the methodology to be used during WR qualification of plastic encapsulated microelectronics. An additional focal point involves achieving awareness of commercial capabilities, materials, and processes. One of the major outcomes of the project has been the definition of proper techniques for handling and evaluation of modern surface mount parts which might be used in future systems. This program is also raising the familiarity level of plastic within the weapons complex, allowing subsystem design rules accommodating COTS to evolve. A two year program plan is presented along with test results and commercial interactions during this first year.

Johnson, D.R. [Ktech Corp., Albuquerque, NM (United States); Palmer, D.W.; Peterson, D.W. [Sandia National Lab., Albuquerque, NM (United States)] [and others

1997-02-01T23:59:59.000Z

33

Retrofit for Plastic Resin Driers  

E-Print Network (OSTI)

RETROFIT FOR PLASTIC RESIN DRIERS BABU JOSEPH PH.D. Supervising Engineer Southern California Edison Company, Irwindale, California GEORGE THURO Thuro, & Associates, Costa Mesa, California Plastic resins used in injection molding have... installation of dew point meters and a programmable controller to tailor the regeneration cycle to the required dew point temperature. Background It was estimated that there are about 450 plastic processors in the Southern California Edison service...

Joseph, B.; Thuro, G.

34

Environmental effects on recycled plastics.  

E-Print Network (OSTI)

??A major problem with recycling of post-consumer plastic is the reduction in key strength and durability properties when compared to virgin polymer. This reduction is (more)

Li, Kan

2011-01-01T23:59:59.000Z

35

Waste Toolkit A-Z Plastic bags  

E-Print Network (OSTI)

Waste Toolkit A-Z Plastic bags Can I recycle plastic bags? No. At the moment you can't recycle plastic bags in the University recycling. Instead, choose alternatives to plastic bags when shopping have to use a cotton bag 131 times to ensure it has lower global warming potential than a plastic

Melham, Tom

36

Waste Toolkit A-Z Plastic Grundon  

E-Print Network (OSTI)

Waste Toolkit A-Z Plastic ­ Grundon Also see `Swap Shop' and `Office Recycling ­ Grundon' in the Waste Toolkit A-Z How can I recycle plastic? There are lots of different types of plastic. Typically, waste contractors can only recycle PETE plastic and HDPE plastic. The University's preferred waste

Melham, Tom

37

FIRST EXPERIMENTS WITH THE PLASTIC BALL  

E-Print Network (OSTI)

FIRST EXPERIMENTS WITH THE PLASTIC BALL H.H. Gutbrod, A.scheme for one module Plastic Soil Response (based on protonS Ropidity Fig. 3. Plastic Ball acceptance in the plane

Gutbrod, H.H.

2010-01-01T23:59:59.000Z

38

PLASTIC DEFORMATIONPLASTIC DEFORMATION Modes of Deformation  

E-Print Network (OSTI)

PLASTIC DEFORMATIONPLASTIC DEFORMATION Modes of Deformation The Uniaxial Tension Test Mechanisms underlying Plastic Deformation Strengthening mechanisms Mechanical Metallurgy George E Dieter McClick here to know about all the mechanisms by which materials fail #12;Slip (Dislocation motion) Plastic

Subramaniam, Anandh

39

High temperature, optically transparent plastics from biomass  

NLE Websites -- All DOE Office Websites (Extended Search)

temperature, optically transparent plastics from biomass At a Glance Rapid, selective catalytic system to produce vinyl plastics from renewable biomass Stereoregular...

40

Plastics End Use Application Fundamentals  

Science Journals Connector (OSTI)

An important aspect of the electrical/electronic market in many applications is the fast ... such applications. Without plastics, most of the electronic products used today would not be practical ... their electr...

Donald V. Rosato

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Recovering Plastics from Retired Vehicles  

NLE Websites -- All DOE Office Websites (Extended Search)

Shredded plastic materials recovered Shredded plastic materials recovered from retired cars and trucks can be used to manufacture new vehicle parts and other plastic products. Left: Items from shredder residue, recovered polyethylene and polypropylene, and a knee bolster manufactured from recovered plastics. Right: Argonne's froth flotation pilot plant. Background For years vehicle manufacturers have been designing and building new cars and trucks with the goal that structural materials in ELVs will be recycled, reducing the flow of material into the solid-waste stream. At the same time, automakers must ensure that the design materials selected for their ability to be recycled do not impair the safety, reliability, and performance of the completed vehicle. In the United States between 12 and 15 million vehicles reach

42

THE AGE OF PLASTIC INGENUITY + RESPONSIBILITY  

E-Print Network (OSTI)

THE AGE OF PLASTIC INGENUITY + RESPONSIBILITY An Interdisciplinary Symposium Stone Age, Bronze Age, Iron Age...and now the Age of Plastic. The Smithsonian Institution is leveraging its collections--arguably the world's greatest repository of plastic material culture--to investigate the significance of plastic, its

Mathis, Wayne N.

43

Plastic bottles > Remove lids (not recyclable)  

E-Print Network (OSTI)

Plastic bottles Please: > Remove lids (not recyclable) > Empty bottles > Rinse milk bottles, & other bottles if possible > Squash bottles www.st-andrews.ac.uk/estates/environment All types of plastic bottle accepted Clear, opaque and coloured bottles Labels can remain on X No plastic bags X No plastics

Brierley, Andrew

44

UBC Social Ecological Economic Development Studies (SEEDS) Student Report Sustainable alternatives to traditional plastics and conventional plastic waste  

E-Print Network (OSTI)

to traditional plastics and conventional plastic waste management in the agricultural setting of the UBC Farm alternatives to traditional plastics and conventional plastic waste management in the agricultural setting ................................................................................................................. 9 Agricultural plastics

45

TTUAB PLASTIC & ALUMINUM RECYCLING PROTOCOL Fall 2012 What Plastic Do We Recycle?  

E-Print Network (OSTI)

TTUAB PLASTIC & ALUMINUM RECYCLING PROTOCOL ­ Fall 2012 What Plastic Do We Recycle? TTUAB has taken on the responsibility of recycling #1 PET and #2 HDPE plastics by placing a yellow TTUAB Plastic Recycling bin on each. Technically, we are only responsible for aforementioned plastics and aluminum. However, any trash or other

Rock, Chris

46

TTUAB PLASTIC & ALUMINUM RECYCLING PROTOCOL 2013 What Plastic Do We Recycle?  

E-Print Network (OSTI)

TTUAB PLASTIC & ALUMINUM RECYCLING PROTOCOL 2013 What Plastic Do We Recycle? TTUAB has taken on the responsibility of recycling ALL plastics (#1 through #7) by placing a yellow TTUAB Plastic Recycling bin on each and in LH100. Technically, we are only responsible for aforementioned plastics and aluminum. However, any

Rock, Chris

47

TTUAB PLASTIC RECYCLING PROTOCOL Fall 2011 What Plastic Do We Recycle?  

E-Print Network (OSTI)

TTUAB PLASTIC RECYCLING PROTOCOL ­ Fall 2011 What Plastic Do We Recycle? TTUAB has taken on the responsibility of recycling #1 PET and #2 HDPE plastics by placing a yellow TTUAB Plastic Recycling bin on each floor. Technically, we are only responsible for aforementioned plastics. However, any trash or other

Rock, Chris

48

 

NLE Websites -- All DOE Office Websites (Extended Search)

B-100 Bone-equivalent plastic B-100 Bone-equivalent plastic Quantity Value Units Value Units 0.52740 Density 1.45 g cm-3 Mean excitation energy 85.9 eV Minimum ionization 1.859 MeV g-1cm2 2.695 MeV cm-1 Nuclear collision length 61.0 g cm-2 42.10 cm Nuclear interaction length 88.5 g cm-2 61.01 cm Pion collision length 88.3 g cm-2 60.89 cm Pion interaction length 120.2 g cm-2 82.93 cm Radiation length 32.11 g cm-2 22.15 cm Critical energy 65.17 MeV (for e-) 63.40 MeV (for e+) Molière radius 10.45 g cm-2 7.206 cm Plasma energy 25.20 eV Muon critical energy 877. GeV Composition: Elem Z Atomic frac* Mass frac* H 1 1.00 0.065471 C 6 0.69 0.536945 N 7 0.02 0.021500 O 8 0.03 0.032085 F 9 0.14 0.167411 Ca 20 0.07 0.176589 * calculated from mass fraction data.

49

Harbec Plastics | Open Energy Information  

Open Energy Info (EERE)

Harbec Plastics Harbec Plastics Facility Harbec Plastics Sector Wind energy Facility Type Community Wind Facility Status In Service Owner Northern Developments LLC Developer Harvest the Wind Location Ontario NY Coordinates 43.2260525°, -77.36176372° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.2260525,"lon":-77.36176372,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

50

Replex Plastics | Open Energy Information  

Open Energy Info (EERE)

Replex Plastics Replex Plastics Jump to: navigation, search Name Replex Plastics Address 11 Mount Vernon Ave Place Mount Vernon, Ohio Zip 43050 Sector Services, Solar Product Manufacturing; Research and development Phone number 740-397-5535 Website http://www.replex.com Coordinates 40.386266°, -82.483755° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":40.386266,"lon":-82.483755,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

51

Polishing compound for plastic surfaces  

DOE Patents (OSTI)

A polishing compound for plastic surfaces. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts abrasive particles, and 2.5 to 10 parts water. The abrasive is tripoli or a similar material that contains fine particles silica. Preferably, most of the abrasive particles are less than approximately 10 microns, more preferably less than approximately 5 microns in size. The compound is used on PLEXIGLAS.TM., LEXAN.TM., LUCITE.TM., polyvinyl chloride (PVC) and similar plastic materials whenever a smooth, clear polished surface is desired.

Stowell, Michael S. (New Ellenton, SC)

1995-01-01T23:59:59.000Z

52

Polishing compound for plastic surfaces  

DOE Patents (OSTI)

A polishing compound for plastic surfaces is disclosed. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts abrasive particles, and 2.5 to 10 parts water. The abrasive is tripoli or a similar material that contains fine particles silica. Preferably, most of the abrasive particles are less than approximately 10 microns, more preferably less than approximately 5 microns in size. The compound is used on PLEXIGLAS{trademark}, LEXAN{trademark}, LUCITE{trademark}, polyvinyl chloride (PVC) and similar plastic materials whenever a smooth, clear polished surface is desired. 5 figs.

Stowell, M.S.

1995-08-22T23:59:59.000Z

53

Polishing compound for plastic surfaces  

DOE Patents (OSTI)

A polishing compound for plastic surfaces is disclosed. The compound contains by weight approximately 4 to 17 parts at least one petroleum distillate lubricant, 1 to 6 parts mineral spirits, 2.5 to 15 parts abrasive particles, and 2.5 to 10 parts water. The abrasive is tripoli or a similar material that contains colloidal silica. Preferably, most of the abrasive particles are less than approximately 10 microns, more preferably less than approximately 5 microns in size. The compound is used on PLEXIGLAS{sup TM}, LEXAN{sup TM}, LUCITE{sup TM}, polyvinyl chloride (PVC) and similar plastic materials whenever a smooth, clear polished surface is desired.

Stowell, M.S.

1993-01-01T23:59:59.000Z

54

Plastic Solar Cells See Bright Future | ANSER Center | Argonne...  

NLE Websites -- All DOE Office Websites (Extended Search)

Plastic Solar Cells See Bright Future Home > News & Events > Plastic Solar Cells See Bright Future Plastic Solar Cells See Bright Future Evanston, Ill---Energy consumption is...

55

Plastics recycling: challenges and opportunities  

Science Journals Connector (OSTI)

...have been a German life-cycle analysis (LCA) study (Patel et al. 2000), which also...of virgin polymer production. A recent LCA specifically for PET bottle manufacture...Belgium: PlasticsEurope. See http://lca.plasticseurope.org/index.htm (1...

2009-01-01T23:59:59.000Z

56

Fire spread in concealed foamed plastic insulation  

Science Journals Connector (OSTI)

A test program, jointly sponsored by the Society of the Plastics Industry of Canada and the National Research Council, examined the contribution of plastic foams to fire spread in buildings. The conditions und...

Dr. W. Taylor

1983-08-01T23:59:59.000Z

57

Mechanically equivalent elastic-plastic deformations and the problem of plastic spin David J. Steigmann1  

E-Print Network (OSTI)

Mechanically equivalent elastic-plastic deformations and the problem of plastic spin David J author to receive correspondence (steigman@me.berkeley.edu) Abstract: The problem of plastic spin is phrased in terms of a notion of mechanical equivalence among local relaxed configurations of an elastic/plastic

Paris-Sud XI, Université de

58

ASSISTANT PROFESSOR (SEMI-RIGID PLASTIC PACKAGING)  

E-Print Network (OSTI)

ASSISTANT PROFESSOR (SEMI-RIGID PLASTIC PACKAGING) IN FOOD, NUTRITION, & PACKAGING SCIENCES/rigid plastics packaging. The successful candidate will be responsible for teaching undergraduate and graduate in university teaching, experience in designing and implementing semi-rigid/rigid plastics research, a record

Stuart, Steven J.

59

Predictions of microtorsional experiments by micropolar plasticity  

Science Journals Connector (OSTI)

...the transformed plastic arc length = s/, and integrate...by means of the plastic arc length . In other words...two different plastic arc lengths associated with...tests attributed to an oxidation or work-hardened layer...inelastic materials with micro-structure. In Finite...

2005-01-01T23:59:59.000Z

60

Process for remediation of plastic waste  

DOE Patents (OSTI)

A single step process for degrading plastic waste by converting the plastic waste into carbonaceous products via thermal decomposition of the plastic waste by placing the plastic waste into a reactor, heating the plastic waste under an inert or air atmosphere until the temperature of about 700.degree. C. is achieved, allowing the reactor to cool down, and recovering the resulting decomposition products therefrom. The decomposition products that this process yields are carbonaceous materials, and more specifically carbon nanotubes having a partially filled core (encapsulated) adjacent to one end of the nanotube. Additionally, in the presence of a transition metal compound, this thermal decomposition process produces multi-walled carbon nanotubes.

Pol, Vilas G; Thiyagarajan, Pappannan

2013-11-12T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Process for remediation of plastic waste  

DOE Patents (OSTI)

A single step process for degrading plastic waste by converting the plastic waste into carbonaceous products via thermal decomposition of the plastic waste by placing the plastic waste into a reactor, heating the plastic waste under an inert or air atmosphere until the temperature of 700.degree. C. is achieved, allowing the reactor to cool down, and recovering the resulting decomposition products therefrom. The decomposition products that this process yields are carbonaceous materials, and more specifically egg-shaped and spherical-shaped solid carbons. Additionally, in the presence of a transition metal compound, this thermal decomposition process produces multi-walled carbon nanotubes.

Pol, Vilas G. (Westmont, IL); Thiyagarajan, Pappannan (Germantown, MD)

2012-04-10T23:59:59.000Z

62

Waste Toolkit A-Z Plastic cups Grundon  

E-Print Network (OSTI)

Waste Toolkit A-Z Plastic cups ­ Grundon Can I recycle plastic cups? Yes, you can recycle plastic cups if they are made from PET or HDPE plastic (ask your supplier to confirm the type of plastic if you do not know). If the cups are made from any other type of plastic (see symbols below) they cannot

Melham, Tom

63

Polishing compound for plastic surfaces  

DOE Patents (OSTI)

This invention is comprised of a polishing compound for plastic materials. The compound includes approximately by approximately by weight 25 to 80 parts at least one petroleum distillate lubricant, 1 to 12 parts mineral spirits, 50 to 155 parts abrasive paste, and 15 to 60 parts water. Preferably, the compound includes approximately 37 to 42 parts at least one petroleum distillate lubricant, up to 8 parts mineral spirits, 95 to 110 parts abrasive paste, and 50 to 55 parts water. The proportions of the ingredients are varied in accordance with the particular application. The compound is used on PLEXIGLAS{trademark}, LEXAN{trademark}, LUCITE{trademark}, polyvinyl chloride (PVC), and similar plastic materials whenever a smooth, clear polished surface is desired.

Stowell, M.S.

1991-01-01T23:59:59.000Z

64

Plastic Deformations of Carbon Nanotubes  

Science Journals Connector (OSTI)

Although the elastic properties of a carbon nanotube are nearly independent of wrapping indices, we show that the onset of plastic deformation depends very strongly on the wrapping index. An (n,0) nanotube has an elastic limit nearly twice that of an (n,n) tube with the same radius. Such great variation has important consequences for structural applications of carbon nanotubes. In addition, the remnant bond rotations remaining after strain release strongly affect the electronic structure of the distorted nanotube.

Peihong Zhang; Paul E. Lammert; Vincent H. Crespi

1998-12-14T23:59:59.000Z

65

Plastic coating of microsphere substrates  

Science Journals Connector (OSTI)

Microsphere coating techniques and results are described together with the criteria that must be met for successful production of targets. An overview of the work at Lawrence Livermore Laboratory the University of Rochester Laboratory for Laser Energetics KMS Fusion Inc. Sandia Laboratory and RockwellRocky Flats Division is presented. A detailed overview of Los Alamos Scientific Laboratory work describes thick coatings smooth?surface coatings organometallic graded?density and graded?Z coatings; as well as difficult to deposit metal?upon?plastic coatings.

R. Liepins; M. Campbell; J. S. Clements; J. Hammond; R. J. Fries

1981-01-01T23:59:59.000Z

66

China Spells Crisis For Postconsumer Plastics  

Science Journals Connector (OSTI)

The rate of polyethylene terephthalate (PET) bottle recycling is declining, and China is pricing domestic buyers of empty bottles out of the market, according to the Association of Postconsumer Plastic Recyclers (APR). ... APR represents U.S. plastics recycling companies and gets additional funding from the American Plastics Council. ... According to the National Association for PET Container Resources (NAPCOR), about 800 million lb of bottles were recycled in both 1995 and 2002. ...

2004-05-17T23:59:59.000Z

67

Plastic film recycling: A new beginning  

SciTech Connect

Only two years ago, plastic film recycling was considered an onerous task. Different resins had to be identified, colors had to be separated, and minute contaminants had to be weeded out almost by hand to produce a quality material. But the tide of plastic film recycling is changing now that new technologies have emerged and more organized collection infrastructure have been developed. Today, plastic film recycling maintains a lucrative market for those with the right combination of equipment and know-how.

Goff, J.A.

1995-02-01T23:59:59.000Z

68

Extruded plastic scintillator for MINERvA  

SciTech Connect

An extrusion line has recently been installed at Fermilab in collaboration with NICADD (Northern Illinois Center for Accelerator and Detector Development). This new facility will serve to further develop and improve extruded plastic scintillator. Since polystyrene is widely used in the consumer industry, the logical path was to investigate the extrusion of commercial-grade polystyrene pellets with dopants to yield high quality plastic scintillator. The D0 and MINOS experiments are already using extruded scintillator strips in their detectors. A new experiment at Fermilab is pursuing the use of extruded plastic scintillator. A new plastic scintillator strip is being tested and its properties characterized. The initial results are presented here.

Pla-Dalmau, Anna; Bross, Alan D.; /Fermilab; Rykalin, Victor V.; Wood, Brian M.; /NICADD, DeKalb

2005-11-01T23:59:59.000Z

69

Plastics and Rubber Products (2010 MECS)  

Energy.gov (U.S. Department of Energy (DOE))

Manufacturing Energy and Carbon Footprint for Plastics Sector (NAICS 326) Energy use data source: 2010 EIA MECS (with adjustments) Footprint Last Revised: February 2014

70

Morley Symposium on Concrete Plasticity and its Application. University of Cambridge 23 WHEN PLASTICITY?  

E-Print Network (OSTI)

, 2007 WHEN PLASTICITY? Chris MORLEY Department of Engineering, University of Cambridge, UK Keywords based on some form of plasticity theory, perhaps with modifications - with serviceability achievedMorley Symposium on Concrete Plasticity and its Application. University of Cambridge 23 rd July

Burgoyne, Chris

71

Materials Science and Engineering A 445446 (2007) 186192 Plastic instabilities and dislocation densities during plastic  

E-Print Network (OSTI)

Materials Science and Engineering A 445­446 (2007) 186­192 Plastic instabilities and dislocation densities during plastic deformation in Al­Mg alloys Gyozo Horv´ath, Nguyen Q. Chinh, Jeno Gubicza, J 2006 Abstract Plastic deformation of Al­Mg alloys were investigated by analyzing the stress

Gubicza, Jenõ

72

Method to separate and recover oil and plastic from plastic contaminated with oil  

DOE Patents (OSTI)

The present invention provides a method to separate and recover oils and recyclable plastic from plastic contaminated with oil. The invention utilizes the different solubility of oil in a liquid or supercritical fluid as compared to a gas to effect separation of the oil from the plastic. 3 figs.

Smith, H.M.; Bohnert, G.W.; Olson, R.B.; Hand, T.E.

1998-01-27T23:59:59.000Z

73

Method to separate and recover oil and plastic from plastic contaminated with oil  

DOE Patents (OSTI)

The present invention provides a method to separate and recover oils and recyclable plastic from plastic contaminated with oil. The invention utilizes the different solubility of oil in as liquid or supercritical fluid as compared to a gas to effect separation of the oil from the plastic.

Smith, Henry M. (Overland Park, KS); Bohnert, George W. (Harrisonville, MO); Olson, Ronald B. (Kansas City, MO); Hand, Thomas E. (Lee's Summit, MO)

1998-01-27T23:59:59.000Z

74

Forming of Magnesium - Crystal Plasticity and Plastic Potentials  

SciTech Connect

Hexagonal close-packed (hcp) metals show a deformation behavior, which is quite different from that of materials with cubic crystalline structure. As a consequence, rolled or extruded products of magnesium and its alloys exhibit a strong anisotropy and an unlike yielding in tension and compression. Microstructural mechanisms of deformation in pure magnesium are modeled by constitutive equations of crystal plasticity. Single crystals and textured polycrystals are analyzed numerically. By means of virtual mechanical tests of representative volume elements mesoscopic yield surfaces are generated and compared with phenomenological yield surfaces. The hardening behavior as well as deformation kinematics are accounted while fitting the respective model parameters for a plane stress state. The linking of micro- and mesoscale provides a procedure for the simulation of the yielding and hardening behavior of arbitrarily textured solids with hcp structure such as extruded bars or rolled plates.

Steglich, Dirk; Graff, Stephane; Brocks, Wolfgang [GKSS Research Center, Institute for Materials Research, Mechanics of Materials, Geesthacht (Germany)

2007-04-07T23:59:59.000Z

75

Applications and societal benefits of plastics  

Science Journals Connector (OSTI)

...NC 27709, USA 2 PlasticsEurope...explains the history, from 1600...safety, energy saving and...society|history|polymers...relatively low price. These plastics...place in the USA. Large-scale...safety, energy saving and...NC 27709, USA. | Historical...economics history toxicity Conservation...

2009-01-01T23:59:59.000Z

76

Sacrificial plastic mold with electroplatable base  

DOE Patents (OSTI)

A sacrificial plastic mold having an electroplatable backing is provided. One embodiment consists of the infusion of a softened or molten thermoplastic through a porous metal substrate (sheet, screen, mesh or foam) and into the features of a micro-scale molding tool contacting the porous metal substrate. Upon demolding, the porous metal substrate will be embedded within the thermoplastic and will project a plastic structure with features determined by the mold tool. This plastic structure, in turn, provides a sacrificial plastic mold mechanically bonded to the porous metal substrate which provides a conducting support suitable for electroplating either contiguous or non-contiguous metal replicates. After electroplating and lapping, the sacrificial plastic can be dissolved to leave the desired metal structure bonded to the porous metal substrate. Optionally, the electroplated structures may be debonded from the porous substrate by selective dissolution of the porous substrate or a coating thereon.

Domeier, Linda A. (Danville, CA); Hruby, Jill M. (Livermore, CA); Morales, Alfredo M. (Livermore, CA)

2002-01-01T23:59:59.000Z

77

Sacrificial Plastic Mold With Electroplatable Base  

DOE Patents (OSTI)

A sacrificial plastic mold having an electroplatable backing is provided. One embodiment consists of the infusion of a softened or molten thermoplastic through a porous metal substrate (sheet, screen, mesh or foam) and into the features of a micro-scale molding tool contacting the porous metal substrate. Upon demolding, the porous metal substrate will be embedded within the thermoplastic and will project a plastic structure with features determined by the mold tool. This plastic structure, in turn, provides a sacrificial plastic mold mechanically bonded to the porous metal substrate which provides a conducting support suitable for electroplating either contiguous or non-contiguous metal replicates. After electroplating and lapping, the sacrificial plastic can be dissolved to leave the desired metal structure bonded to the porous metal substrate. Optionally, the electroplated structures may be debonded from the porous substrate by selective dissolution of the porous substrate or a coating thereon.

Domeier, Linda A. (Danville, CA); Hruby, Jill M. (Livermore, CA); Morales, Alfredo M. (Livermore, CA)

2005-08-16T23:59:59.000Z

78

CHARGED PARTICLE IDENTIFICATION WITH MODULES OF THE PLASTIC BALL  

E-Print Network (OSTI)

WITH MODULES OF THE PLASTIC BALL H.H. Gutbrod, M.R. Maier,WITH MODULES OF THE PLASTIC BALL H.H. Gutbrod, M.R. Maier*,of modules of the Plastic Ball detector for positive pions

Gutbrod, H.H.

2010-01-01T23:59:59.000Z

79

ElasticPlastic Spherical Contact Modeling Including Roughness Effects  

E-Print Network (OSTI)

A multilevel model for elasticplastic contact between ajunction growth of an elasticplastic spherical contact. J.nite element based elasticplastic model for the contact of

Li, L.; Etsion, I.; Talke, F. E.

2010-01-01T23:59:59.000Z

80

THE RESPONSE OF SOLIDS TO ELASTIC/ PLASTIC INDENTATION  

E-Print Network (OSTI)

OF SOLIDS TO ELASTIC/PLASTIC INDENTATION S.S. Chiang, D.B.134. Table I Normalized Plastic Zone Size (B) and Materialken from the elastic/plastic boundary, surface intersection,

Chiang, S.S.

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Septin Self-Assembly: Plasticity and Protein Scaffolding  

E-Print Network (OSTI)

Septin Self-Assembly: Plasticity and Protein Scaffolding BySpring 2012 Septin Self-Assembly: Plasticity and ProteinIII Abstract Septin Self-Assembly: Plasticity and Protein

Garcia, III, Galo

2012-01-01T23:59:59.000Z

82

Plastic Bags to Batteries: A Green Chemistry Solution | Argonne...  

NLE Websites -- All DOE Office Websites (Extended Search)

Plastic Bags to Batteries: A Green Chemistry Solution Share Description Plastic bags are the scourge of roadsides, parking lots and landfills. But chemistry comes to the rescue At...

83

"Upcycling": A Green Solution to the Problem of Plastic - Energy...  

NLE Websites -- All DOE Office Websites (Extended Search)

"Upcycling": A Green Solution to the Problem of Plastic Developing a Process to Transform Waste Plastic into a Valuable Commodity Argonne National Laboratory Contact ANL About This...

84

Leaching of cadmium from pigmented plastics in a landfill site  

Science Journals Connector (OSTI)

Leaching of cadmium from pigmented plastics in a landfill site ... Plastics ending up in soil or landfill environment will eventually be degraded. ...

David C. Wilson; Peter J. Young; Brinley C. Hudson; Grant. Baldwin

1982-09-01T23:59:59.000Z

85

Plastic flow in solids with interfaces  

E-Print Network (OSTI)

A non-equilibrium theory of isothermal and diffusionless evolution of incoherent interfaces within a plastically deforming solid is developed. The irreversible dynamics of the interface are driven by its normal motion, incoherency (slip and misorientation), and an intrinsic plastic flow; and purely by plastic deformation in the bulk away from the interface. Using the continuum theory for defect distribution (in bulk and over the interface) we formulate a general kinematical framework, derive relevant balance laws and jump conditions, and prescribe a thermodynamically consistent constitutive/kinetic structure for interface evolution.

Anurag Gupta; David Steigmann

2011-11-25T23:59:59.000Z

86

Plastic Deformation of 2D Crumpled Wires  

E-Print Network (OSTI)

When a single long piece of elastic wire is injected trough channels into a confining two-dimensional cavity, a complex structure of hierarchical loops is formed. In the limit of maximum packing density, these structures are described by several scaling laws. In this paper it is investigated this packing process but using plastic wires which give origin to completely irreversible structures of different morphology. In particular, it is studied experimentally the plastic deformation from circular to oblate configurations of crumpled wires, obtained by the application of an axial strain. Among other things, it is shown that in spite of plasticity, irreversibility, and very large deformations, scaling is still observed.

M A F Gomes; V P Brito; A S O Coelho; C C Donato

2008-11-17T23:59:59.000Z

87

Ford Opens Door to Plastics Recycling  

Science Journals Connector (OSTI)

Ford Opens Door to Plastics Recycling ... With the passage of the European "take-back" laws all but inevitable, American automakers are stepping up efforts to recycle U.S. cars. ...

Kellyn S. Betts

2011-06-09T23:59:59.000Z

88

INVESTIGATION Yeast Growth Plasticity Is Regulated by  

E-Print Network (OSTI)

, Stanford University, Palo Alto, California 94304, BioMaPS Institute for Quantitative Biology, Rutgers to enhance or reduce the plasticity in a population. Several studies have identified roles of single genes

Sinha, Himanshu

89

Recycled Plastics in FCC Feedstocks:? Specific Contributions  

Science Journals Connector (OSTI)

Recycled Plastics in FCC Feedstocks:? Specific Contributions ... Zhibo, Z.; Nishio, S.; Morioka, Y.; Ueno, A.; Ohkita, H.; Tochihara, Y.; Mizushima, P.; Kakuta, N. Thermal and chemical recycle of waste polymers. ... Feedstock recycling of plastic waste by thermal and catalytic processes is a promising route to eliminate this refuse (which is harmful to the environment) by obtaining, at the same time, products that are useful as fuels or chemicals. ...

Gabriela de la Puente; Jos M. Arandes; Ulises A. Sedran

1997-11-03T23:59:59.000Z

90

Application of Desiccant Drying in Plastic Molding  

E-Print Network (OSTI)

APPLICATION OF DESICCANT DRYING IN PLASTIC MOLDING Michael Brown, P.E. Greg Connors, P.E. Douglas Moore, P.E. Senior Research Engr. Industrial Engr. Senior Research Engr. Ga. Tech Research Inst. Atlanta Gas Light Co. Ga. Tech Research Inst... will condense on refrigerated display doors. In ice rinks, condensation will occur on the ice surface causing it to soften if the humidity too high. In plastic molding, chilled water is provi ed to rapidly cool the finished parts. Cooling incr...

Brown, M.; Connors, G.; Moore, D.

91

Plastic bottles recycled into sails for tall ship  

Science Journals Connector (OSTI)

Plastic bottles recycled into sails for tall ship ... Using new and conventional plastics recycling technology, Du Pont has converted plastic soda bottles (right) and plastic car fenders into 13,000 sq ft of sail for the tall ship HMS Rose (left). ...

LOIS EMBER

1992-07-06T23:59:59.000Z

92

PLASTIC: Providing Lightweight & Adaptable Service Technology for Pervasive Information & Communication  

E-Print Network (OSTI)

PLASTIC: Providing Lightweight & Adaptable Service Technology for Pervasive Information@tid.es Abstract The PLASTIC project adopts and revisits service- oriented computing for Beyond 3rd Generation (B3G. Specifically, PLASTIC introduces the PLASTIC platform to enable robust distributed lightweight services in B3G

Paris-Sud XI, Université de

93

Plastic strain due to twinning in austenitic TWIP steels  

E-Print Network (OSTI)

Plastic strain due to twinning in austenitic TWIP steels B. Qin and H. K. D. H. Bhadeshia* Twinning induced plasticity steels are austenitic alloys in which mechanical twinning is a prominent deformation, Twinning, Twinning induced plasticity, Automobiles Introduction Mechanical twinning is a plastic

Cambridge, University of

94

Influence of plastic deformation on bimaterial fault rupture directivity  

E-Print Network (OSTI)

Influence of plastic deformation on bimaterial fault rupture directivity Nora DeDontney,1 Elizabeth of the role of the stress state on the distribution of plastic deformation and the direction of preferred in determining the location of plastic deformation. For different orientations, plastic deformation can

Dmowska, Renata

95

Seismology of plastic deformation Jero^me Weiss *, Francois Louchet  

E-Print Network (OSTI)

Seismology of plastic deformation Je´ro^me Weiss *, Franc¸ois Louchet Laboratoire de Glaciologie et-free critical picture of dislocational plasticity that challenges the classical continuum models of plasticity rights reserved. Keywords: Acoustic methods; Dislocation dynamics; Plastic deformation; Self

Weiss, Jérôme

96

Plastic flow in solids with interfaces Anurag Gupta  

E-Print Network (OSTI)

Plastic flow in solids with interfaces Anurag Gupta David. J. Steigmann November 22, 2011 Abstract a plastically deforming solid is developed. The irreversible dynamics of the interface are driven by its normal motion, incoherency (slip and misorientation), and an intrinsic plastic flow; and purely by plastic

Boyer, Edmond

97

A single hardening elasto-plastic model for Kaolin clay with loading-history-dependent plastic potential function  

E-Print Network (OSTI)

A single hardening elasto-plastic model for Kaolin clay with loading-history- dependent plastic and failure criteria are found to be strongly dependent on the principal stress rotation angle () and plastic work. A unique plastic potential function determined solely by the current stress state

Prashant, Amit

98

Miniature plastic gripper and fabrication method  

DOE Patents (OSTI)

A miniature plastic gripper actuated by inflation of a miniature balloon and method of fabricating same. The gripper is constructed of either heat-shrinkable or heat-expandable plastic tubing and is formed around a mandrel, then cut to form gripper prongs or jaws and the mandrel removed. The gripper is connected at one end with a catheter or tube having an actuating balloon at its tip, whereby the gripper is opened or closed by inflation or deflation of the balloon. The gripper is designed to removably retain a member to which is connected a quantity or medicine, plugs, or micro-components. The miniature plastic gripper is inexpensive to fabricate and can be used for various applications, such as gripping, sorting, or placing of micron-scale particles for analysis.

Benett, William J. (Livermore, CA); Krulevitch, Peter A. (Los Altos, CA); Lee, Abraham P. (Walnut Creek, CA); Northrup, Milton A. (Berkeley, CA); Folta, James A. (Livermore, CA)

1997-01-01T23:59:59.000Z

99

Fabrication method for miniature plastic gripper  

DOE Patents (OSTI)

A miniature plastic gripper is described actuated by inflation of a miniature balloon and method of fabricating same. The gripper is constructed of either heat-shrinkable or heat-expandable plastic tubing and is formed around a mandrel, then cut to form gripper prongs or jaws and the mandrel removed. The gripper is connected at one end with a catheter or tube having an actuating balloon at its tip, whereby the gripper is opened or dosed by inflation or deflation of the balloon. The gripper is designed to removably retain a member to which is connected a quantity or medicine, plugs, or micro-components. The miniature plastic gripper is inexpensive to fabricate and can be used for various applications, such as gripping, sorting, or placing of micron-scale particles for analysis. 8 figs.

Benett, W.J.; Krulevitch, P.A.; Lee, A.P.; Northrup, M.A.; Folta, J.A.

1998-07-21T23:59:59.000Z

100

Miniature plastic gripper and fabrication method  

DOE Patents (OSTI)

A miniature plastic gripper actuated by inflation of a miniature balloon and method of fabricating same are disclosed. The gripper is constructed of either heat-shrinkable or heat-expandable plastic tubing and is formed around a mandrel, then cut to form gripper prongs or jaws and the mandrel removed. The gripper is connected at one end with a catheter or tube having an actuating balloon at its tip, whereby the gripper is opened or closed by inflation or deflation of the balloon. The gripper is designed to removably retain a member to which is connected a quantity or medicine, plugs, or micro-components. The miniature plastic gripper is inexpensive to fabricate and can be used for various applications, such as gripping, sorting, or placing of micron-scale particles for analysis. 8 figs.

Benett, W.J.; Krulevitch, P.A.; Lee, A.P.; Northrup, M.A.; Folta, J.A.

1997-03-11T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Fabrication method for miniature plastic gripper  

DOE Patents (OSTI)

A miniature plastic gripper actuated by inflation of a miniature balloon and method of fabricating same. The gripper is constructed of either heat-shrinkable or heat-expandable plastic tubing and is formed around a mandrel, then cut to form gripper prongs or jaws and the mandrel removed. The gripper is connected at one end with a catheter or tube having an actuating balloon at its tip, whereby the gripper is opened or dosed by inflation or deflation of the balloon. The gripper is designed to removably retain a member to which is connected a quantity or medicine, plugs, or micro-components. The miniature plastic gripper is inexpensive to fabricate and can be used for various applications, such as gripping, sorting, or placing of micron-scale particles for analysis.

Benett, William J. (Livermore, CA); Krulevitch, Peter A. (Los Altos, CA); Lee, Abraham P. (Walnut Creek, CA); Northrup, Milton A. (Berkeley, CA); Folta, James A. (Livermore, CA)

1998-01-01T23:59:59.000Z

102

Chapter 2 - The plastics industry: Economic overview  

Science Journals Connector (OSTI)

Publisher Summary This chapter clarifies the real applications and the relative importance of the various families and processes of plastic industry. The Asian consumption is specifically orientated to glass reinforced plastics (GRP) without significant production of advanced composites. Three application sectorspackaging, building & civil engineering, and automotive & transportation consume 76% of all plastics. For each type of polymer, it is necessary to choose to best suit the required geometries, production rates, targeted properties, and economic context from several possible processing methods. Thermosets are mono- or bi-component liquids that harden at ambient or elevated temperatures, and can require a post-curing stage. Polymeric materials are intrinsically expensive, but their use becomes appealing if the processing costs, the new technical possibilities that they permit, and the total cost at the end of their lifetime are taken into account. Glass fibers account for an estimated 95% of the total fiber consumption for polymer reinforcement.

Michel Biron

2003-01-01T23:59:59.000Z

103

KVP meter errors induced by plastic wrap  

SciTech Connect

The purpose of this study was to determine whether erroneous kVp meter readings, induced by plastic wrap, affected the actual kVp (output) of a dental X-ray machine. To evaluate the effect of plastic wrap on dental X-ray machine kVp meters, a radiation output device was used to measure output in mR/ma.s. An intraoral dental X-ray unit (S.S. White Model {number sign}90W) was used to make the exposures. First, the kVp meter was not covered with plastic wrap and output readings were recorded at various kVp settings with the milliamperage and time held constant. Secondly, the same kVp settings were selected before the plastic wrap was placed. Milliamperage and time were again held to the same constant. The X-ray console was then covered with plastic wrap prior to measuring the output for each kVp. The wrap possessed a static charge. This charge induced erroneous kVp meter readings. Out-put readings at the various induced kVp settings were then recorded. A kVp of 50 with no wrap present resulted in the same output as a kVp of 50 induced to read 40 or 60 kVp by the presence of wrap. Similar results were obtained at other kVp settings. This indicates that the plastic wrap influences only the kVp meter needle and not the actual kilovoltage of the X-ray machine. Dental X-ray machine operators should select kVp meter readings prior to placing plastic wrap and should not adjust initial settings if the meter is deflected later by the presence of wrap. The use of such a procedure will result in proper exposures, fewer retakes, and less patient radiation. If plastic wrap leads to consistent exposure errors, clinicians may wish to use a 0.5% sodium hypochlorite disinfectant as an alternative to the barrier technique.

Jefferies, D.; Morris, J.W.; White, V.P. (Southern Illinois Univ., Carbondale (USA))

1991-02-01T23:59:59.000Z

104

THE PLASTIC BALL - A MULTI-DETECTOR, LARGE SOLID ANGLE SPECTROMETER WITH CHARGED PARTICLE IDENTIFICATION FOR THE BEVALAC  

E-Print Network (OSTI)

of charged particles in a Plastic Ball module. (XBL 7910-of Califomia. THE PLASTIC BALL - A MULTI-DETECTOR, LARGEBerkeley, California Summary PLASTIC 8/>Ll PLASTIC WALL For

Maier, M.R.

2012-01-01T23:59:59.000Z

105

Plastic Identification Sensor with Five Wavelength Laser Diodes Used in Recycling Robot  

Science Journals Connector (OSTI)

Plastic identification is a key technology for recycling. Six different types of plastics are identified by a sensor with five wavelengths lasers. The new plastic recycling robots,...

Kawata, Satoshi; Inada, Koji; Hirao, Tadaetsu; Fujita, Toshihiro; Aubuchon, Roger

106

PLASTIC DEFORMATION OF CRYSTALS: ANALYTICAL AND COMPUTER SIMULATION STUDIES OF DISLOCATION GLIDE  

E-Print Network (OSTI)

in Rate Processes in Plastic Deformation of Materials, J. C.PLASTIC DEFORMATION OF CRYSTALS: ANALYTICAL AND COMPUTERCAPTIONS FIGURES - iii - PLASTIC DEFORMATION OF CRYSTALS:

Altintas, Sabri

2011-01-01T23:59:59.000Z

107

EFFECT OF GRAIN SIZE ON THE ACOUSTIC EMISSION GENERATED DURING PLASTIC DEFORMATION OF COPPER  

E-Print Network (OSTI)

PLASTIC DEFORMATION OF COPPER J, Baram Materials Engineeringfrom plastically deformed copper specimens were analyzedrelated to the behavior of copper while undergoing plastic

Baram, J.

2011-01-01T23:59:59.000Z

108

insect Phenotypic Plasticity Diversity of Responses  

E-Print Network (OSTI)

Illinois State University Normal,IL, USA ~Science Publishers, Inc. Enfield (NH),USA Plymouth, UK ~Oo5 #12. Published by Science Publishers, Inc., Enfield, NH, USA Printed in India. #12;Behavioral Diversity and its Insect phenotypic plasticity editors, T.N. Ananthakrishnan. Douglas Whitman. p. em. Includes

Gadagkar, Raghavendra

109

4. pi. physics with the plastic ball  

SciTech Connect

4 ..pi.. data taken with the Plastic Ball show that cluster production in relativistic nuclear collisions depends on both the size of the participant volume and the finite size of the cluster. The measurement of the degree of thermalization and the search for collective flow will permit the study of the applicability of macroscopic concepts such as temperature and density.

Gutbrod, H.H.; Loehner, H.; Poskanzer, A.M.; Renner, T.; Riedesel, H.; Ritter, H.G.; Warwick, A.; Weik, F.; Wieman, H.

1982-10-01T23:59:59.000Z

110

A mobile antineutrino detector with plastic scintillators  

E-Print Network (OSTI)

We propose a new type segmented antineutrino detector made of plastic scintillators for the nuclear safeguard application. A small prototype was built and tested to measure background events. A satisfactory unmanned field operation of the detector system was demonstrated. Besides, a detailed Monte Carlo simulation code was developed to estimate the antineutrino detection efficiency of the detector.

Yasuhiro Kuroda; Shugo Oguri; Yo Kato; Ryoko Nakata; Yoshizumi Inoue; Chikara Ito; Makoto Minowa

2012-06-28T23:59:59.000Z

111

Biodegradable and compostable alternatives to conventional plastics  

Science Journals Connector (OSTI)

...2009b ). In addition to performance and price, biodegradable plastics must offer advantages...renewable (bio)resources, increasing oil prices and increasing awareness of environmental...derived from sugar cane via ethanol to ethylene. 3. Waste management options for BDPs...

2009-01-01T23:59:59.000Z

112

Waste plastics recycling by an entrained-flow gasifier  

Science Journals Connector (OSTI)

We studied an entrained-flow gasification process which efficiently converts waste plastics to energy at a high energy recovery rate. Waste plastics, after being shredded to <8?mm or <14?mm, were fed into an entr...

Takatoshi Shoji; Kenjiro Shindoh

2001-10-01T23:59:59.000Z

113

Effects of foamed plastic insulation on severity of room fires  

Science Journals Connector (OSTI)

The results of a series of full scale room burn experiments with foamed plastic insulation in two walls indicate that the severity ... appear to be increased by the addition of foamed plastic insulation.

K. K. Choi

1986-02-01T23:59:59.000Z

114

Transformation induced plasticity assisted steels: stress or strain affected martensitic  

E-Print Network (OSTI)

Transformation induced plasticity assisted steels: stress or strain affected martensitic transformation? S. Chatterjee and H. K. D. H. Bhadeshia* Transformation induced plasticity (TRIP) assisted steels contain a small quantity of carbon enriched retained austenite, which transforms into martensite during

Cambridge, University of

115

Comparison of the Recyclability of Flame-Retarded Plastics  

Science Journals Connector (OSTI)

The halogen-free plastic grades showed a significant deterioration of mechanical properties after recycling, whereas those plastics containing BFRs were able to pass all test criteria, thus maintaining their original properties. ... When the plastic material is being mechanically recycled, the material will be exposed to temperatures up to 250 C during the processing steps, such as extrusion or injection molding. ...

Takaretu Imai; Stephan Hamm; Klaus P. Rothenbacher

2002-11-28T23:59:59.000Z

116

CONTAINED PLASTIC DEFORMATION NEAR CRACKS AND NOTCHES UNDER LONGITUDINAL SHEAR  

E-Print Network (OSTI)

CONTAINED PLASTIC DEFORMATION NEAR CRACKS AND NOTCHES UNDER LONGITUDINAL SHEAR James R. Rice* ABSTRACT An exact linear elastic-perfectly plastic solution is presented for the problem of a sharp notch coordinates corresponding to given stresses, position of the elastic-plastic boundary, and accompanying

117

TIME DOMAIN REFLECTOMETRY MEASUREMENT AND HIGHLY PLASTIC CLAYS  

E-Print Network (OSTI)

1 TIME DOMAIN REFLECTOMETRY MEASUREMENT AND HIGHLY PLASTIC CLAYS By: J. A. Kuhn1 and J. G. Zornberg for use in highly plastic clay. The clay used for experimentation was taken locally from the Eagle Ford Ford Clay is determined. INTRODUCTION The progression of wetting and drying fronts in highly plastic

Zornberg, Jorge G.

118

Towards Model Driven Engineering of Plastic User Interfaces  

E-Print Network (OSTI)

Towards Model Driven Engineering of Plastic User Interfaces Jean-Sébastien Sottet CLIPS of a same UI are to be produced for different platforms. The development of plastic user interfaces is even more demanding. In Human Computer Interaction, plasticity denotes the capacity of a UI to withstand

119

Ecient elasto-plastic simulation ICA, University of Stuttgart, Germany  

E-Print Network (OSTI)

E?cient elasto-plastic simulation C. Wieners ICA, University of Stuttgart, Germany Summary. In this paper we describe a method for the construction of radial re- turn algorithms to the plasticity models plasticity, the constitutive equations are determined by the free energy functional and a monotone function

Wieners, Christian

120

Glassy and plastic crystals of cyanoadamantane : a Brillouin scattering investigation  

E-Print Network (OSTI)

L-617 « Glassy » and plastic crystals of cyanoadamantane : a Brillouin scattering investigation J. Abstract. 2014 The elastic constants ofcyanoadamantane have been measured in the plastic and « glassy temperature. The temperature dependence of C11 in the plastic phase has been explain- ed by the setting

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

1 Visco-plastic rheology 1.1 Effective viscosity  

E-Print Network (OSTI)

1 Visco-plastic rheology 1.1 Effective viscosity Rheology specifies the relationship between viscosity eff, = 2eff , (2) which includes viscous and plastic components, 1 eff = 1 visc + 1 plast . (3) Also the strain rate tensor can be split into viscous and plastic part, = visc + plast , (4) where

Cerveny, Vlastislav

122

Veteran's Administration Medical Center General Plastic Surgery Rotation  

E-Print Network (OSTI)

Veteran's Administration Medical Center General Plastic Surgery Rotation 2nd year Resident By the end of the Plastic Surgery Rotation at the VAMC, the 2nd year residents are expected to expand with the following conditions that require plastic surgery, including but not limited to: · Upper extremity

Cui, Yan

123

Numerical modelling of plasticity induced by transcranial magnetic stimulation  

Science Journals Connector (OSTI)

We use neural field theory and spike-timing dependent plasticity to make a simple but biophysically reasonable model of long-term plasticity changes in the cortex due to transcranial magnetic stimulation (TMS). We show how common TMS protocols can be ... Keywords: Modelling, Neural field theory, Plasticity, Theta burst stimulation, Transcranial magnetic stimulation

M. T. Wilson; D. P. Goodwin; P. W. Brownjohn; J. Shemmell; J. N. Reynolds

2014-06-01T23:59:59.000Z

124

Method of cleaning plastics using super and subcritical media  

DOE Patents (OSTI)

A method for treating a plastic, such as polyethylene or polypropylene, to remove at least a portion of at least one contaminant includes combining the plastic with a supercritical medium, such as carbon dioxide or sulfur hexafluoride, whereby at least a portion of the contaminant dissolves in the supercritical medium. Alternatively, the plastic can be combined with a suitable liquid medium, such as carbon dioxide or liquid sulfur hexafluoride. At least a portion of the medium, containing the dissolved contaminant, is separated from the plastic, thereby removing at least a portion of the contaminant from the plastic. 10 figs.

Sawan, S.P.; Spall, W.D.; Talhi, A.

1998-05-26T23:59:59.000Z

125

Method of cleaning plastics using super and subcritical media  

DOE Patents (OSTI)

A method for treating a plastic, such as polyethylene or polypropylene, to remove at least a portion of at least one contaminant includes combining the plastic with a supercritical medium, such as carbon dioxide or sulfur hexafluoride, whereby at least a portion of the contaminant dissolves in the supercritical medium. Alternatively, the plastic can be combined with a suitable liquid medium, such as carbon dioxide or liquid sulfur hexafluoride. At least a portion of the medium, containing the dissolved contaminant, is separated from the plastic, thereby removing at least a portion of the contaminant from the plastic.

Sawan, Samuel P. (Tyngsborough, MA); Spall, W. Dale (Los Alamos, NM); Talhi, Abdelhafid (Nashua, NH)

1998-05-26T23:59:59.000Z

126

Hydrocracking of a Plastics Pyrolysis Gas Oil to Naphtha  

Science Journals Connector (OSTI)

1 Of the approximately 80 billion pounds of plastics currently produced in the United States, most eventually ends up in landfills, with only 2?3% being recycled. ... Disposal of these waste plastics by direct incineration would lead to increased greenhouse gas emissions, primarily carbon dioxide, and particulate pollutants, while direct mechanical recycling of plastics is limited by the fact that reconstituted objects generally possess a downgraded appearance in comparison with virgin plastics. ... 14 On the other hand, there has been little study of the hydrocracking of waste plastic-derived pyrolysis liquids. ...

H. S. Joo; James A. Guin

1997-05-20T23:59:59.000Z

127

Method of coextruding plastics to form a composite sheet  

DOE Patents (OSTI)

This invention pertains to a method of producing a composite sheet of plastic materials by means of coextrusion. Two plastic materials are matched with respect to their melt indices. These matched plastic materials are then coextruded in a side-by-side orientation while hot and soft to form a composite sheet having a substantially uniform demarkation therebetween. The plastic materials are fed at a substantially equal extrusion velocity and generally have substantially equal viscosities. The coextruded plastics can be worked after coextrusion while they are still hot and soft.

Tsien, Hsue C. (Chatham Township, Morris County, NJ)

1985-06-04T23:59:59.000Z

128

Profile Plastic Deformation Joining2006.pmd  

NLE Websites -- All DOE Office Websites (Extended Search)

JOINING ADVANCED MATERIALS BY PLASTIC FLOW JOINING ADVANCED MATERIALS BY PLASTIC FLOW PROVIDES SOLUTION FOR OXYGEN SENSOR APPLICATIONS The Challenge: Industry has sought robust and less expensive sensors to more accurately monitor and control combustion processes. Improved control can be obtained by positioning the sensors closer to the combustion environment in applications such as coal-fired power plants, petrochemical plants, blast furnaces, glass processing equipment, industrial burners, and even in internal combustion engines. Typically, operation in such environments has necessitated an external supply of conditioned air to provide a reference source necessary for the sensor to determine the constituents of the combustion process. This complexity has imposed significant cost and maintenance difficulties on

129

Thin Film Transistors On Plastic Substrates  

DOE Patents (OSTI)

A process for formation of thin film transistors (TFTs) on plastic substrates replaces standard thin film transistor fabrication techniques, and uses sufficiently lower processing temperatures so that inexpensive plastic substrates may be used in place of standard glass, quartz, and silicon wafer-based substrates. The silicon based thin film transistor produced by the process includes a low temperature substrate incapable of withstanding sustained processing temperatures greater than about 250.degree. C., an insulating layer on the substrate, a layer of silicon on the insulating layer having sections of doped silicon, undoped silicon, and poly-silicon, a gate dielectric layer on the layer of silicon, a layer of gate metal on the dielectric layer, a layer of oxide on sections of the layer of silicon and the layer of gate metal, and metal contacts on sections of the layer of silicon and layer of gate metal defining source, gate, and drain contacts, and interconnects.

Carey, Paul G. (Mountain View, CA); Smith, Patrick M. (San Ramon, CA); Sigmon, Thomas W. (Portola Valley, CA); Aceves, Randy C. (Livermore, CA)

2004-01-20T23:59:59.000Z

130

Plasticity of the Dakota Clays of Kansas  

E-Print Network (OSTI)

as soon as it was removed from the mould. The briquette was allowed to dry and after drying the shrinkage was measured and calculated in percent of the dry length. 28 Experience seems to show that there is a relation between the shtinkage of a clay...'tter Inorganic Colloids Organic Colloids Humus Compounds CHAPTER II - EXPERIMENTS MALACHITE GREEN TEST Method of testing Calculation of Results FEEL TEST Method of Testing SHRINKAGE TEST Method of Testing SUMMARY BIBLIOGRAPHY PLASTICITY OF THE DAKOTA...

Belchic, George

1915-06-01T23:59:59.000Z

131

Microsoft Word - N01535_B100 Plume Delin Rpt  

Office of Legacy Management (LM)

Building 100 Building 100 Off-Site Plume Delineation South of Bryan Dairy Road Data Report for Rally Stores Property November 2010 LMS/PIN/N01535 This page intentionally left blank LMS/PIN/N01535 Pinellas Environmental Restoration Project Building 100 Area Off-Site Plume Delineation South of Bryan Dairy Road Data Report for Rally Stores Property November 2010 This page intentionally left blank U.S. Department of Energy Building 100 Area Off-Site Plume Delineation South of Bryan Dairy Road November 2010 Doc. No. N01535 Page i Contents Executive Summary ....................................................................................................................... iii 1.0 Introduction ......................................................................................................................... 5

132

Microsoft Word - N01673_B100 AA final draft  

Office of Legacy Management (LM)

Draft Building 100 Area Draft Building 100 Area Plume Management Alternatives Analysis March 2012 LMS/PIN/N01673 This page intentionally left blank LMS/PIN/N01673 Pinellas County, Florida, Site Environmental Restoration Project Draft Building 100 Area Plume Management Alternatives Analysis March 2012 This page intentionally left blank U.S. Department of Energy Draft Building 100 Area Plume Management Alternatives Analysis March 2012 Doc. No. N01673 Page i Contents Abbreviations ................................................................................................................................. iv Executive Summary .........................................................................................................................v

133

TTRDC - Publications - Transforum 10.2 - Plastic Bags  

NLE Websites -- All DOE Office Websites (Extended Search)

From Trash to Treasure: Turning Plastic Bags into Battery Anodes From Trash to Treasure: Turning Plastic Bags into Battery Anodes Vilas Pol and plastic bag research Plastic bags are burned in a vessel at high temperatures. Turning an environmental nuisance into a potential energy solution - now, that's innovation! After much trial and error, Argonne Scholar Vilas Pol has figured out a way to convert those pesky plastic grocery bags into carbon nanotubes, which could be used as components of lithium-ion batteries for many applications, including cars. Plastic bags have taken over the grocery market since they were introduced more than 30 years ago. Billions of them are used around the world each year. The bags are recyclable, but a majority of them still end up in landfills. "They take hundreds of years to decompose," said Pol.

134

Quick Plastic Forming of Aluminum Sheet Metal  

NLE Websites -- All DOE Office Websites (Extended Search)

General Motors' President North America, Gary Cowger, General Motors' President North America, Gary Cowger, reviews the 2004 Chevy Malibu Maxx after introducing it to the media at the New York Auto Show. (photo courtesy of General Motors) Quick Plastic Forming of Aluminum Sheet Metal Background Aluminum automotive components made using a hot blow forming process are reducing vehicle weight and increasing the fuel efficiency of today's cars. However, before General Motors (GM) and the U.S. Department of Energy (DOE) sponsored research in this technol- ogy, blow forming of aluminum was not a viable process for automakers. The prior blow forming process,

135

Response of plastic scintillators in magnetic fields  

SciTech Connect

The dependence of the light yield on magnetic field has been measured up to 0.45 T for the plastic scintillators NE-102A, SCSN-38 and Polivar. The scintillators were excited by 25 MeV protons, 5.9 keV X-rays and UV light. When excited with ionizing radiation an increase of light yield is observed. For SCSN-38 of 2.7 mm thickness it amounts to 0.3%, 0.9%, 1.1% and 3.3% at 1, 10, 100 and 450 mT respectively. NE-102A behaves similar, whereas a PMMA based scintillator shows a stronger field dependence.

Blomker, D.; Holm, V. (Inst. Experimentalphysik, Universitat Hamburg, Luruper Chaussee 149, D-2000 Hamburg 50 (DE)); Klanner, R.; Krebs, B. (Deutsches Elektronen-Synchroton, Notkstr. 85, D-2000 Hamburg 52 (DE))

1990-04-01T23:59:59.000Z

136

Volume reduction of hot cell plastic wastes  

SciTech Connect

The disposal of radioactively-contaminated solid wastes has become a national crisis. In such circumstances, it is imperative that this waste be reduced to minimum volume and be packaged to prevent pollution of the environment. The majority of the solid waste generated at the hot cell under consideration is plastic lab ware. Cutting this waste into small pieces with a hot wire technique reduced the volume 66%. Melting the waste, although more time consuming, reduced the volume 90%. The hot wire technique can also be used to cut up damaged master slave manipulator boots, greatly reducing their disposal volume.

Dykes, F W; Henscheid, J P; Lewis, L C; Lundholm, C W; Nicklas, J H

1989-09-19T23:59:59.000Z

137

Collective flow measured with the Plastic Ball  

SciTech Connect

The experimental results from the Plastic Ball detector have contributed vastly to the understanding of the reaction mechanism of nuclear collisions at several hundred MeV per nucleon. The discovery of the collective flow phenomena (bounce-off of spectator fragments, side-splash in the reaction plane, and squeeze-out out of the reaction plane), as they were predicted by hydrodynamical models, has led to the experimental observation of compressed nuclear matter, which is a necessary condition before one can study the equation of state in detail and search for phase transitions at higher energies. 39 refs., 9 figs., 1 tab.

Ritter, H.G.; Gutbrod, H.H.; Kampert, K.H.; Kolb, B.; Poskanzer, A.M.; Schicker, R.; Schmidt, H.R.; Siemiarczuk, T.

1989-08-01T23:59:59.000Z

138

Internal Stress in a Model Elasto-Plastic Fluid  

E-Print Network (OSTI)

Plastic materials can carry memory of past mechanical treatment in the form of internal stress. We introduce a natural definition of the vorticity of internal stress in a simple two-dimensional model of elasto-plastic fluids, which generates the internal stress. We demonstrate how the internal stress is induced under external loading, and how the presence of the internal stress modifies the plastic behavior.

Takeshi Ooshida; Ken Sekimoto

2005-12-03T23:59:59.000Z

139

Beryllium-7 Implantation in Plastics for Prosthesis Wear Studies...  

Office of Science (SC) Website

instrumentation: 7Be Implantation in Plastics for Prosthesis Wear Studies Developed at: Oak Ridge National Laboratory, Holifield Radioactive Ion Beam Facility (HRIBF) Developed...

140

Statistics of spikes trains, synaptic plasticity and Gibbs distributions  

E-Print Network (OSTI)

We introduce a mathematical framework where the statistics of spikes trains, produced by neural networks evolving under synaptic plasticity, can be analysed.

B. Cessac; H. Rostro; J. C. Vasquez; T. Viville

2008-10-22T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Recycling plastic scrap: Injection molding. (Latest citations from the Rubber and Plastics Research Association database). Published Search  

SciTech Connect

The bibliography contains citations concerning the recycling of scrap plastic produced in the injection molding process. Plastic pellets made from scrap, that are used in the injection molding process, are also discussed. Recycling equipment and automated recycling systems are described. The reuse of plastic scrap culled from junk automobiles and packaging materials is discussed, and waste byproducts from polyurethane production are described. (Contains 50-250 citations and includes a subject term index and title list.) (Copyright NERAC, Inc. 1995)

NONE

1996-04-01T23:59:59.000Z

142

Recycling plastic scrap: Injection molding. (Latest citations from the Rubber and Plastics Research Association database). Published Search  

SciTech Connect

The bibliography contains citations concerning the recycling of scrap plastic produced in the injection molding process. Plastic pellets made from scrap, that are used in the injection molding process, are also discussed. Recycling equipment and automated recycling systems are described. The reuse of plastic scrap culled from junk automobiles and packaging materials is discussed, and waste byproducts from polyurethane production are described. (Contains a minimum of 88 citations and includes a subject term index and title list.)

NONE

1995-01-01T23:59:59.000Z

143

Recycling plastic scrap: Injection molding. (Latest citations from the Rubber and Plastics Research Association database). Published Search  

SciTech Connect

The bibliography contains citations concerning the recycling of scrap plastic produced in the injection molding process. Plastic pellets made from scrap, that are used in the injection molding process, are also discussed. Recycling equipment and automated recycling systems are described. The reuse of plastic scrap culled from junk automobiles and packaging materials is discussed, and waste byproducts from polyurethane production are described. (Contains 50-250 citations and includes a subject term index and title list.) (Copyright NERAC, Inc. 1995)

NONE

1997-02-01T23:59:59.000Z

144

Recycling plastic scrap: Injection molding. (Latest citations from the Rubber and Plastics Research Association database). Published Search  

SciTech Connect

The bibliography contains citations concerning the recycling of scrap plastic produced in the injection molding process. Plastic pellets made from scrap, that are used in the injection molding process, are also discussed. Recycling equipment and automated recycling systems are described. The reuse of plastic scrap culled from junk automobiles and packaging materials is discussed, and waste byproducts from polyurethane production are described. (Contains a minimum of 80 citations and includes a subject term index and title list.)

Not Available

1994-05-01T23:59:59.000Z

145

A Development Process for Plastic User Interfaces David Thevenin, Galle Calvary, Jolle Coutaz,  

E-Print Network (OSTI)

A Development Process for Plastic User Interfaces David Thevenin, Gaëlle Calvary, Joëlle Coutaz of plastic user interfaces. 2. Plasticity The term plasticity is inspired from the property of materials to HCI, plasticity is the "capacity of an interactive system to withstand variations of context of use

146

Plastic deformation in Al (Cu) interconnects stressed by electromigration and studied by synchrotron polychromatic X-ray microdiffraction  

E-Print Network (OSTI)

Plastic deformation in Al (Cu) interconnects stressed bygrain orientation [7], study plastic deformation [12-15] andThis aspect of EM-induced plastic deformation in grains

Chen, Kai; Advanced Light Source; UCLA

2008-01-01T23:59:59.000Z

147

THE RESPONSE OF SOLIDS TO ELASTIC/PLASTIC INDENTATION AND THE APPLICATION OF INDENTATION TO ADHESION MEASUREMENTS  

E-Print Network (OSTI)

676. Table I. Normalized Plastic Zone Size (B) and Material Initial - - Elastic/ plastic bounda ---- Cavi in rfaceCTIONAL VIEW XBLSOI Fig. I-9 Plastic Boundary solu/ Initial

Chiang, Shu-Sheng

2013-01-01T23:59:59.000Z

148

Developmental Plasticity in Cartesian Genetic Programming Artificial Neural Networks  

E-Print Network (OSTI)

Developmental Plasticity in Cartesian Genetic Programming Artificial Neural Networks Maryam Mahsal developmental plasticity in Artificial Neural Networks using Carte- sian Genetic Programming. This is inspired a trained artificial neural network loses its accuracy when the network is trained again on a different

Fernandez, Thomas

149

Brain development and predation: plastic responses depend on evolutionary history  

Science Journals Connector (OSTI)

...research-article Evolutionary biology 1001 70 60 Brain development and predation: plastic responses...PO Box 65, 00014, Finland Although the brain is known to be a very plastic organ, the...interactions like predation or competition on brain development have remained largely unexplored...

2012-01-01T23:59:59.000Z

150

Micrographic detection of plastic deformation in nickel base alloys  

DOE Patents (OSTI)

A method for detecting low levels of plastic deformation in metal articles comprising electrolytically etching a flow free surface of the metal article with nital at a current density of less than about 0.1 amp/cm.sup.2 and microscopically examining the etched surface to determine the presence of alternating striations. The presence of striations indicates plastic deformation in the article.

Steeves, Arthur F. (Schenectady, NY); Bibb, Albert E. (Clifton Park, NY)

1984-01-01T23:59:59.000Z

151

Plastic Bags to Batteries: A Green Chemistry Solution  

ScienceCinema (OSTI)

Plastic bags are the scourge of roadsides, parking lots and landfills. But chemistry comes to the rescue! At Argonne National Laboratory, Vilas Pol has found a way to not only recycle plastic bags--but make them into valuable batteries for cell phones and laptops.

None

2013-04-19T23:59:59.000Z

152

Atmospheric Plasma Deposited Dense Silica Coatings on Plastics  

Science Journals Connector (OSTI)

Atmospheric Plasma Deposited Dense Silica Coatings on Plastics ... (8) Finally, some plasma techniques including atmospheric plasmas work at low gas temperature, are suitable for treating plastics with low glass transition temperatures, and can even be used on biological samples. ... These results suggest that the mechanism in the atm.-pressure plasma is the same as that in low-pressure plasmas. ...

Linying Cui; Alpana N. Ranade; Marvi A. Matos; Liam S. Pingree; Theo J. Frot; Geraud Dubois; Reinhold H. Dauskardt

2012-11-26T23:59:59.000Z

153

Principles of Experience-Dependent Neural Plasticity: Implications for  

E-Print Network (OSTI)

Principles of Experience-Dependent Neural Plasticity: Implications for Rehabilitation After Brain and considerations in applying them to the damaged brain. Method: Neuroscience research using a variety of models. Results: Neural plasticity is believed to be the basis for both learning in the intact brain

Jones, Theresa A.

154

Development/Plasticity/Repair Identification of Nicotinic Acetylcholine Receptor Recycling  

E-Print Network (OSTI)

Development/Plasticity/Repair Identification of Nicotinic Acetylcholine Receptor Recycling and Its, University of Michigan, Ann Arbor, Michigan 48109 In the CNS, receptor recycling is critical for synaptic plasticity; however, the recycling of receptors has never been observed at peripheral synapses. Using a novel

Alford, Simon

155

DESCRIBING THE PLASTIC DEFORMATION OF ALUMINUM SOFTBALL BATS  

E-Print Network (OSTI)

DESCRIBING THE PLASTIC DEFORMATION OF ALUMINUM SOFTBALL BATS E. BIESEN1 AND L. V. SMITH2 Washington-mail: lvsmith@wsu.edu Hollow aluminum bats were introduced over 30 years ago to provide improved durability over durability. Accordingly, the plastic deformation from a ball impact of a single-wall aluminum bat

Smith, Lloyd V.

156

The Anatomy of Plastic Events in Magnetic Amorphous Solids  

E-Print Network (OSTI)

Plastic events in amorphous solids can be much more than just "shear transformation zones" when the positional degrees of freedom are coupled non-trivially to other degrees of freedom. Here we consider magnetic amorphous solids where mechanical and magnetic degrees of freedom interact, leading to rather complex plastic events whose nature must be disentangled. In this paper we uncover the anatomy of the various contributions to some typical plastic events. These plastic events are seen as Barkhausen Noise or other "serrated noises". Using theoretical considerations we explain the observed statistics of the various contributions to the considered plastic events. The richness of contributions and their different characteristics imply that in general the statistics of these "serrated noises" cannot be universal, but rather highly dependent on the state of the system and on its microscopic interactions.

H. George E. Hentschel; Itamar Procaccia; Bhaskar Sen Gupta

2015-01-25T23:59:59.000Z

157

The Use of Energy Information in Plastic Scintillator Material  

SciTech Connect

Plastic scintillator material is often used for gamma-ray detection in many applications due to its relatively good sensitivity and cost-effectiveness compared to other detection materials. However, due to the dominant Compton scattering interaction mechanism, full energy peaks are not observed in plastic scintillator spectra and isotopic identification is impossible. Typically plastic scintillator detectors are solely gross count detectors. In some safeguards and security applications, such as radiation portal monitors for vehicle screening, naturally-occurring radioactive material (NORM) often triggers radiation alarms and results in innocent or nuisance alarms. The limited energy information from plastic scintillator material can be used to discriminate the NORM from targeted materials and reduce the nuisance alarm rate. An overview of the utilization of the energy information from plastic scintillator material will be presented, with emphasis on the detection capabilities and potential limitations for safeguards and security applications. (PIET-43741-TM-490)

Ely, James H.; Anderson, Kevin K.; Bates, Derrick J.; Kouzes, Richard T.; Lopresti, Charles A.; Runkle, Robert C.; Siciliano, Edward R.; Weier, Dennis R.

2008-06-15T23:59:59.000Z

158

INSPECTION OF FUSION JOINTS IN PLASTIC PIPE  

SciTech Connect

The standard method of joining plastic pipe in the field is the butt fusion process. As in any pipeline application, joint quality greatly affects overall operational safety of the system. Currently no simple, reliable, cost effective method of assessing the quality of fusion joints in the field exists. Visual examination and pressure testing are current non-destructive approaches, which do not provide any assurance about the long-term pipeline performance. This project will develop, demonstrate, and validate an in-situ non-destructive inspection method for butt fusion joints in gas distribution plastic pipelines. The inspection system will include a laser based image-recognition system that will automatically generate and interpret digital images of pipe joints and assign them a pass/fail rating, which eliminates operator bias in evaluating joint quality. A Weld Zone Inspection Method (WZIM) is being developed in which local heat is applied to the joint region to relax the residual stresses formed by the original joining operation and reveal the surface condition of the joint. In cases where the joint is not formed under optimal conditions, and the intermolecular forces between contacting surfaces are not strong enough, the relaxation of macromolecules in the surface layer causes the material to pull back, revealing a fusion line. If the joint is sound, the bond line image does not develop. To establish initial feasibility of the approach, welds were performed under standard and non-standard conditions. These welds were subjected to the WZIM and tensile testing. There appears to be a direct correlation between the WZIM and tensile testing results. Although WZIM appears to be more sensitive than tensile testing can verify, the approach appears valid.

Alex Savitski; Connie Reichert; John Coffey

2004-07-13T23:59:59.000Z

159

Elastic-plastic analysis of the transition divertor joint for high performance divertor target plate  

E-Print Network (OSTI)

locations of principal plastic strains in 3D warm and coldthe ARIES Team Elastic-Plastic analysis of the transitionSAN DIEGO Elastic-Plastic Analysis of the Transition

Navaei, Dara

2011-01-01T23:59:59.000Z

160

Plastic, the Great Pacific Garbage Patch, and International Misfires at a Cure  

E-Print Network (OSTI)

Environmental Implication of Plastic Debris in Marineat 2014. Consumption of plastics by marine animals has beenC. Thompson et al. , Our Plastic Age, 364 PhIL. TRANSAc--

Harse, Grant A.

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Plastic collapse of lattice structures under a general stress state Babak Haghpanah, Jim Papadopoulos, Ashkan Vaziri  

E-Print Network (OSTI)

Plastic collapse of lattice structures under a general stress state Babak Haghpanah, Jim 22 August 2013 Available online 19 September 2013 Keywords: Plastic collapse strength Lattice minimization procedure to determine the macroscopic `plastic col- lapse strength' of a tessellated cellular

Vaziri, Ashkan

162

Modeling Elasto-Plastic Behavior of Polycrystalline Grain Structure of Steels at Mesoscopic Level  

E-Print Network (OSTI)

Modeling Elasto-Plastic Behavior of Polycrystalline Grain Structure of Steels at Mesoscopic Level. The constitutive model of crystal grains utilizes anisotropic elasticity and crystal plasticity. Commercially be considered macroscopically homogeneous. Elastic and rate independent plastic deformation modes are considered

Cizelj, Leon

163

Effects of mechanical properties and surface friction on elasto-plastic sliding contact  

E-Print Network (OSTI)

Effects of mechanical properties and surface friction on elasto-plastic sliding contact S and many recent computational studies have established quantitative relationships between elasto-plastic systematically quantified the effect of the plastic deformation characteristics on the frictional sliding

Suresh, Subra

164

Learning and Plasticity Plasticity in neuronal circuits means the ability for connections to change and remain changed.  

E-Print Network (OSTI)

Learning and Plasticity Plasticity in neuronal circuits means the ability for connections to change an axon of cell A is near enough to excite cell B or repeatedly or consistently takes part in firing it of the cells in firing B, is increased. Sometimes summarized as "cells that fire together wire together." Rate

Miller, Paul

165

THE PERFORMANCE AND MODIFICATION OF RECYCLED ELECTRONIC WASTE PLASTICS FOR THE IMPROVEMENT OF ASPHALT PAVEMENT MATERIALS.  

E-Print Network (OSTI)

?? Bulk electric waste plastics were recycled and reduced in size into plastic chips before pulverization or cryogenic grinding into powders. Two major types of (more)

Colbert, Baron W.

2012-01-01T23:59:59.000Z

166

E-Print Network 3.0 - associative synaptic plasticity Sample...  

NLE Websites -- All DOE Office Websites (Extended Search)

stages. Key words: Hebbian plasticity; synaptic weights; synaptic com- petition... trains of C( t) 1N ( t). Plasticity was ... Source: Bi, Guo-Qiang - Department of...

167

EFFECT OF GRAIN SIZE ON THE ACOUSTIC EMISSION GENERATED DURING PLASTIC DEFORMATION OF ALUMINUM  

E-Print Network (OSTI)

PLASTIC DEFORMATION OF ALUMINUM LAWRENCE BERKELEY LABORATORYDURING PLASTIC DEFORMATION OF ALUMINUM J. Baram Materialsof polycrystalline aluminum, of different grain sizes and at

Baram, J.

2013-01-01T23:59:59.000Z

168

Development of plastic front side panels for green cars  

Science Journals Connector (OSTI)

Lightweight design with thermoplastics is a robust approach in order to reduce the CO2 emission and fuel consumption. This paper reviews the role of plastics in the green concept of automobile and develops the design process for replacing steel front side panels, so called steel car fender, with plastic ones. Conceptual design, material selection, and design strategy in terms of strength, moldability, and assembility were proposed. Injection molding optimization was carried out in order to ensure the quality of the plastic fender under a certain manufacturing conditions such as the applied molding machine and auxiliary equipment. Prototype manufacturing was also implemented to verify the manufacturability and the feasibility of the development process of a plastic car fender. The weight of the plastic car fender is 1.15kg, reducing 41% compared to the steel fender. Although the production cost of the plastic fender is just slightly cheaper than that of steel one due to the high cost of the special plastic, the benefits such as lightweight, recyclability, manufacturability and design flexibility are the potential and practical application of the thermoplastic to the green automotive industry for making exterior parts.

H.S. Park; X.P. Dang; A. Roderburg; B. Nau

2013-01-01T23:59:59.000Z

169

Capacitance Probe for Detection of Anomalies in Nonmetallic Plastic Pipe  

NLE Websites -- All DOE Office Websites (Extended Search)

Capacitance Probe for Detection of Anomalies in Capacitance Probe for Detection of Anomalies in Nonmetallic Plastic Pipe Opportunity The Department of Energy's National Energy Technology Laboratory (NETL) is seeking collaborative research and licensing partners interested in implementing United States Patent Number 7,839,282 entitled "Capacitance Probe for Detection of Anomalies in Nonmetallic Plastic Pipe." Disclosed in this patent is an analysis of materials using a capacitive sensor to detect anomalies in nonmetallic plastic pipe through comparison of measured capacitances. The capacitive sensor is used in conjunction with a capacitance measurement device, a location device, and a processor to generate a capacitance versus location output for the detection and localization of anomalies

170

Universality of the Plastic Instability in Strained Amorphous Solids  

E-Print Network (OSTI)

By comparing the response to external strains in metallic glasses and in Lenard-Jones glasses we find a quantitative universality of the fundamental plastic instabilities in the athermal, quasistatic limit. Microscopically these two types of glasses are as different as one can imagine, the latter being determined by binary interactions, whereas the former by multiple interactions due to the effect of the electron gas that cannot be disregarded. In spite of this enormous difference the plastic instability is the same saddle-node bifurcation. As a result the statistics of stress and energy drops in the elasto-plastic steady state are universal, sharing the same system-size exponents.

Ratul Dasgupta; Smarajit Karmakar; Itamar Procaccia

2011-11-03T23:59:59.000Z

171

High reliability plastic packaging for microelectronics  

SciTech Connect

Goal was Assembly Test Chips (ATCs) which could be used for evaluating plastic encapsulation technologies. Circuits were demonstrated for measuring Au-Al wirebond and Al metal corrosion failure rates during accelerated temperature and humidity testing. The test circuits on the ATC02.5 chip were very sensitive to extrinsic or processing induced failure rates. Accelerated aging experiments were conducted with unpassivated triple track Al structures on the ATC02.6 chip; the unpassivated tracks were found to be very sensitive to particulate contamination. Some modifications to existing circuitry were suggested. The piezoresistive stress sensing circuitry designed for the ATC04 test chip was found suitable for determining the change in the state of mechanical stress at the die when both initial and final measurements were made near room temperature (RT). Attempt to measure thermal stress between RT and a typical polymer glass transition temperature failed because of excessive die resistor- substrate leakage currents at the high temperature end; suitable circuitry changes were developed to overcome this problem. One temperature and humidity experiment was conducted with Sandia developed static radom access memory parts to examine non-corrosion CMOS failures; this objective was not achieved, but corrosion failure at the metal to Si contacts on the die surface could be detected. This 2-year effort resulted in new designs for test circuits which could be used on an advanced ATC for reliability assessment in Defense Programs electronics development projects.

Sweet, J.N.; Peterson, D.W.; Hsia, A.H.; Tuck, M.

1997-07-01T23:59:59.000Z

172

The Analysis Method for Recycled Plastic Content in Automotive Parts  

Science Journals Connector (OSTI)

Common materials used for vehicles range from metallic materials including steel, cast iron, sintering material, bronze, zinc, and aluminium to non-ferrous materials such as rubber, glass, and plastics. Since the...

Minchul Shin; Keumhyang Lee; Kisuk Lee; Donghwan Kwak

2014-11-01T23:59:59.000Z

173

Kinematic quantities of finite elastic and plastic deformation  

E-Print Network (OSTI)

Kinematic quantities for finite elastic and plastic deformations are defined via an approach that does not rely on auxiliary elements like reference frame and reference configuration, and that gives account of the inertial-noninertial aspects explicitly. These features are achieved by working on Galilean spacetime directly. The quantity expressing elastic deformations is introduced according to its expected role: to measure how different the current metric is from the relaxed/stressless metric. Further, the plastic kinematic quantity is the change rate of the stressless metric. The properties of both are analyzed, and their relationship to frequently used elastic and plastic kinematic quantities is discussed. One important result is that no objective elastic or plastic quantities can be defined from deformation gradient.

T. Flp; P. Vn

2012-03-05T23:59:59.000Z

174

Plastic flow of foams and emulsions in a channel  

E-Print Network (OSTI)

In order to understand the flow profiles of complex fluids, a crucial issue concerns the emergence of spatial correlations among plastic rearrangements exhibiting cooperativity flow behaviour at the macroscopic level. In this paper, the rate of plastic events in a Poiseuille flow is experimentally measured on a confined foam in a Hele-Shaw geometry. The correlation with independently measured velocity profiles is quantified. To go beyond a limitation of the experiments, namely the presence of wall friction which complicates the relation between shear stress and shear rate, we compare the experiments with simulations of emulsion droplets based on the lattice-Boltzmann method, which are performed both with, and without, wall friction. Our results indicate a correlation between the localisation length of the velocity profiles and the localisation length of the number of plastic events. Finally, unprecedented results on the distribution of the orientation of plastic events show that there is a non-trivial correla...

Dollet, B; Sbragaglia, M

2014-01-01T23:59:59.000Z

175

Metabolic Engineering of Poly(3-Hydroxyalkanoates): From DNA to Plastic  

Science Journals Connector (OSTI)

...produced in transgenic plants. . Poirier Y. Somerville...Arabidopsis thaliana plant cells. . Postma P...Casella S. Nuti M. P. Isolation and characterization...Biodegradable plastics from plants. . Willis D. K. Hrabak...Panopoulos N. J. Isolation and characterization...

Lara L. Madison; Gjalt W. Huisman

1999-03-01T23:59:59.000Z

176

Rotational motion in plastic quinuclidine : Results from quasielastic neutron scattering  

E-Print Network (OSTI)

563 Rotational motion in plastic quinuclidine : Results from quasielastic neutron scattering C. 2014 Results of incoherent quasielastic neutron scattering experiments on quinuclidine, C7Hl3N, in its

Boyer, Edmond

177

Bidirectional synaptic mechanisms of ocular dominance plasticity in visual cortex  

Science Journals Connector (OSTI)

...homosynaptic LTP have been applied during OD plasticity (Daw...Acknowledgements All animal procedures were performed in accordance with NIH guidelines for humane handling of animals and were approved...Massachusetts Institute of Technology, Cambridge, MA 02139, USA...

2009-01-01T23:59:59.000Z

178

A Structural Plastic Foam Thermal Insulation for Cryogenic Service  

Science Journals Connector (OSTI)

Today, with the impending energy crisis and the rush to construct LNG facilities as one method to alleviate the energy shortage, it is not surprising that we find plastic foams and other thermal insulating materi...

R. B. Bennett

1995-01-01T23:59:59.000Z

179

Characterization of the plastic substrates, the reflective layers...  

NLE Websites -- All DOE Office Websites (Extended Search)

chemical compositions andor physical dimensions. Chemical analyses by ATR-FTIR, ToF-SIMS, XPS, EDXSTEM, and RBS show that all these DVDs use very similar polycarbonate plastic...

180

Resource variation and the evolution of phenotypic plasticity in fishes  

E-Print Network (OSTI)

related to both trophic and predation ecology. Ecomorphological consequences of induced morphologies and the need for inclusion of greater ecological complexity in studies of plasticity are discussed. The second study examines induced morphological...

Ruehl, Clifton Benjamin

2004-09-30T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Low temperature fracture evaluation of plasticized sulfur paving mixtures  

E-Print Network (OSTI)

May 1985 Major Subject: Civil Engineering LOW TEMPERATURE FRACTURE EVALUATION OF PLASTICIZED SULFUR PAVING MIXTURES A Thesis by KAMYAR MAHBOUB Approved as to style and content by: Dallas N. Li tie (Chai rman of Committee) Ro e . Lytto Member... modifications to the standard ASTM procedure. These modifications were required due to the nature of plasticized sulfur mixtures and asphalt cement mixtures. The J-integral version of Paris ' law was successfully used to characterize the fatigue...

Mahboub, Kamyar

2012-06-07T23:59:59.000Z

182

Photoconversion of gasified organic materials into biologically-degradable plastics  

DOE Patents (OSTI)

A process is described for converting organic materials (such as biomass wastes) into a bioplastic suitable for use as a biodegradable plastic. In a preferred embodiment the process involves thermally gasifying the organic material into primarily carbon monoxide and hydrogen, followed by photosynthetic bacterial assimilation of the gases into cell material. The process is ideally suited for waste recycling and for production of useful biodegradable plastic polymer. 3 figures.

Weaver, P.F.; Pinching Maness.

1993-10-05T23:59:59.000Z

183

Redesigning Process Cooling Systems in the Plastics Industry  

E-Print Network (OSTI)

REDESIGNING PROCESS COOLING SYSTEMS IN THE PLASTICS INDUSTRY Glen R Anderson - Senior Energy Analyst - etc Group, Inc - Salt Lake City, UT ABSTRACT Lifetime Products grew their plastics division rapidly starting in the mid 1990s.... During this growth, their support systems were designed with one thing in mind ensuring adequate capacity. Energy consumption was a much lower priority with their process cooling systems, resulting in inefficient chillers, oversized pumps...

Anderson, G. R.

2006-01-01T23:59:59.000Z

184

Photoconversion of gasified organic materials into biologically-degradable plastics  

DOE Patents (OSTI)

A process is described for converting organic materials (such as biomass wastes) into a bioplastic suitable for use as a biodegradable plastic. In a preferred embodiment the process involves thermally gasifying the organic material into primarily carbon monoxide and hydrogen, followed by photosynthetic bacterial assimilation of the gases into cell material. The process is ideally suited for waste recycling and for production of useful biodegradable plastic polymer.

Weaver, Paul F. (Golden, CO); Maness, Pin-Ching (Golden, CO)

1993-01-01T23:59:59.000Z

185

Design and Development of a Plastic Film Heat Exchanger  

E-Print Network (OSTI)

of the PFHX technology in olving heat. exchange at any pressure other than'atmo pheric pressure. Atmospheric applications could ope ate with a simple remote level control basin. There are also many other potential appl ca tions of the PFHX technology...DESIGN AND DEVELOPMENT OF A PLASTIC FILM HEAT EXCHANGER Eric C. Guyer, Sc.D., David L. Brownell, and Martin K. Gollin Dynatech RID Company Cambridge, Massachusetts ABSTRACT A plastic film heat exchang.er (PFHX) utilizes the low cost...

Guyer, E. C.; Gollin, M. K.; Brownell, D. L.

186

Plastic wastes as modifiers of the thermoplasticity of coal  

SciTech Connect

Plastic waste recycling represents a major challenge in environmental protection with different routes now available for dealing with mechanical, chemical, and energy recycling. New concepts in plastic waste recycling have emerged so that now such wastes can be used to replace fossil fuels, either as an energy source or as a secondary raw material. Our objective is to explore the modification of the thermoplastic properties of coal in order to assess the possibility of adding plastic waste to coal for the production of metallurgical coke. Two bituminous coals of different rank and thermoplastic properties were used as a base component of blends with plastic wastes such as high-density polyethylene (HDPE), low-density polyethylene (LDPE), polypropylene (PP), polystyrene (PS), poly(ethylene terephthalate) (PET), and acrilonitrile-butadiene-styrene copolymer (ABS). In all cases, the addition of plastic waste led to a reduction in Gieseler maximum fluidity, the extent of the reduction depending on the fluidity of the base coal, and the amount, the molecular structure, and the thermal behavior of the polymer. As a consequence, the amount of volatile matter released by the plastic waste before, during, and after the maximum fluidity of the coal and the hydrogen-donor and hydrogen-acceptor capacities of the polymer were concluded to be key factors in influencing the extent of the reduction in fluidity and the development of anisotropic carbons. The incorporation of the plastic to the carbon matrix was clearly established in semicokes produced from blends of a high-fluid coal and the plastic tested by SEM examination. 42 refs., 10 figs., 7 tabs.

M.A. Diez; C. Barriocanal; R. Alvarez [Instituto Nacional del Carbon (INCAR), Oviedo (Spain)

2005-12-01T23:59:59.000Z

187

Harbec Plastic Wind Turbine Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Harbec Plastic Wind Turbine Wind Farm Harbec Plastic Wind Turbine Wind Farm Jump to: navigation, search Name Harbec Plastic Wind Turbine Wind Farm Facility Harbec Plastic Wind Turbine Sector Wind energy Facility Type Community Wind Facility Status In Service Owner Harbeck Plastic Developer Lorax Energy Systems Energy Purchaser Harbeck Plastic Location Rochester NY Coordinates 43.226039°, -77.361776° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.226039,"lon":-77.361776,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

188

A Performance-Based Approach to the Development of a Recycled Plastic/Composite Crosstie  

E-Print Network (OSTI)

A Performance-Based Approach to the Development of a Recycled Plastic/Composite Crosstie Thomas Nosker, Ph.D., Richard Renfree Ph.D., and Jennifer Lynch Plastics & Composites Group, Rutgers University Introduction In 1994, Rutgers University's Plastics and Composites Group, formerly the Center for Plastics

189

Super-Elastic and Plastic Shock Waves Generated by Lasers N.A. Inogamov a,1  

E-Print Network (OSTI)

Super-Elastic and Plastic Shock Waves Generated by Lasers N.A. Inogamov a,1 , V.V. Zhakhovsky b,3 fortov@ihed.ras.ru, i oleynik@usf.edu Keywords: Femtosecond laser-matter interactions, elastic-plastic there is an elastic shock wave (SW), which propagates before the strong plastic shock with plastic pressures of up

Fominov, Yakov

190

Letters to Analytical Chemistry Silver Nanoparticles on a Plastic Platform for  

E-Print Network (OSTI)

Letters to Analytical Chemistry Silver Nanoparticles on a Plastic Platform for Localized Surface on plastics is described. The silver-nanopar- ticles-on-plastic sensor (SNOPS) was fabricated by chemi- cally modifying the surface of a common plastic, polyeth- yleneterephthalate

Brolo, Alexandre G.

191

Short Channel Amorphous-Silicon TFT's on High-Temperature Clear Plastic Substrates  

E-Print Network (OSTI)

Short Channel Amorphous-Silicon TFT's on High-Temperature Clear Plastic Substrates K. Long, H@princeton.edu To achieve light-weight flexible AMOLED displays on plastic substrates, the substratesmust be optically clear for plastic. High-temperature plastics such as polyimide (e.g. KaptonB E) have a glass transition temperature

192

Phenomenological study of parabolic and spherical indentation of elastic-ideally plastic material  

E-Print Network (OSTI)

Phenomenological study of parabolic and spherical indentation of elastic-ideally plastic material O ideally plastic materials was carried out by using precise results of finite elements calculations behaviour is found. Two elastic-plastic regimes and two plastic regimes are observed for materials of very

Paris-Sud XI, Université de

193

Size effects on the onset of plastic deformation during nanoindentation of thin films and patterned lines  

E-Print Network (OSTI)

Size effects on the onset of plastic deformation during nanoindentation of thin films and patterned; accepted 13 August 2003 Plastic deformation of materials exhibits a strong size dependence when, particularly the transition from elastic to plastic deformation and the early stages of plastic deformation. We

Van Vliet, Krystyn J.

194

Ultrapyrolytic upgrading of plastic wastes and plastics/heavy oil mixtures to valuable light gas products  

SciTech Connect

Viable operating conditions were identified experimentally for maximizing the production of high-value products such as ethylene, propylene, styrene, and benzene, from the ultrapyrolysis of waste plastics. Using both a batch microreactor and a pilot-plant-sized reactor, the key operating variables considered were pyrolysis temperature, product reaction time, and quench time. In the microreactor experiments, polystyrene (PS), a significant component of waste plastics, was pyrolyzed at temperatures ranging from 800 to 965 C, with total reaction times ranging from 500 to 1,000 ms. At a temperature of 965 C and 500 ms, the yields of styrene plus benzene were greater than 95 wt %. In the pilot-plant experiments, the recently patented internally circulating fluidized bed (ICFB) reactor (Milne et al., US Patent Number 5,370,789, 1994b) was used to ultrapyrolyze low-density polyethylene (LDPE) in addition to LDPE (5% by weight)/heavy oil mixtures at a residence time of 600 ms. Both experiments produced light olefin yields greater than 55 wt % at temperatures above 830 C.

Lovett, S.; Berruti, F.; Behie, L.A. [Univ. of Calgary, Alberta (Canada). Dept. of Chemical and Petroleum Engineering] [Univ. of Calgary, Alberta (Canada). Dept. of Chemical and Petroleum Engineering

1997-11-01T23:59:59.000Z

195

Results obtained using the Plastic Ball  

SciTech Connect

Single-particle inclusive experiments, and experiments that additionally measure a few correlations like the associated multiplicity, have provided the main contribution to our present understanding of high-energy heavy-ion collisions. The results from those experiments are in overall agreement with calculations of the cascade and hydrodynamical models. In the cascade model the collision of two nuclei is simulated as a cascade of nucleon-nucleon collisions using measured N-N cross sections. The hydrodynamical model, on the other hand, describes the nuclear collision as that of two fluids and makes use of a nuclear equation of state relating thermal and compressional energy densities to pressure. The pressure field dominates the expansion phase and leads to collective flow of the reaction products in a preferred direction. The observation of such effects in inclusive experiments is not well established. Collective effects that manifest themselves in the shape of the event in phase space are expected to be seen best in complete event detectors that measure the final state as exclusively as presently possible by measuring most of the charged particles emitted in the reaction. In addition, those detectors are well suited to test macroscopic concepts such as equilibrium and temperature. Global methods like the sphericity or thrust analysis take into account all the correlations measured in the event and are specially designed to determine the shape of an event in phase space and thus to define a reaction plane. Recent data from the Plastic Ball experiment about the study of nuclear stopping and thermalization and on global analysis are presented.

Ritter, H.G.; Gustafsson, H.A.; Gutbrod, H.H.

1983-08-01T23:59:59.000Z

196

Morley Symposium on Concrete Plasticity and its Application. University of Cambridge 23 PLASTICITY APPLICATIONS IN REINFORCED CONCRETE AND  

E-Print Network (OSTI)

a range of reinforced and or prestressed concrete structures consisting of tower crane foundations, wind: plasticity, prestressed concrete, serviceability, turbine foundation, offshore structures 1 INTRODUCTION turbine foundations, building floors and offshore structures. The case studies have been chosen based

Burgoyne, Chris

197

Method of determining elastic and plastic mechanical properties of ceramic materials using spherical indenters  

DOE Patents (OSTI)

The invention pertains a method of determining elastic and plastic mechanical properties of ceramics, intermetallics, metals, plastics and other hard, brittle materials which fracture prior to plastically deforming when loads are applied. Elastic and plastic mechanical properties of ceramic materials are determined using spherical indenters. The method is most useful for measuring and calculating the plastic and elastic deformation of hard, brittle materials with low values of elastic modulus to hardness.

Adler, Thomas A. (Corvallis, OR)

1996-01-01T23:59:59.000Z

198

On the determination of single-crystal plasticity parameters by diffraction: optimization of a polycrystalline plasticity model using a genetic algorithm  

Science Journals Connector (OSTI)

A genetic algorithm was used to successfully optimize the work hardening coefficients of a polycrystalline plasticity model.

Skippon, T.

2012-07-14T23:59:59.000Z

199

Plastic instabilities in statically and dynamically loaded spherical vessels  

SciTech Connect

Significant changes were made in design limits for pressurized vessels in the 2007 version of the ASME Code (Section VIII, Div. 3) and 2008 and 2009 Addenda. There is now a local damage-mechanics based strain-exhaustion limit as well as the well-known global plastic collapse limit. Moreover, Code Case 2564 (Section VIII, Div. 3) has recently been approved to address impulsively loaded vessels. It is the purpose of this paper to investigate the plastic collapse limit as it applies to dynamically loaded spherical vessels. Plastic instabilities that could potentially develop in spherical shells under symmetric loading conditions are examined for a variety of plastic constitutive relations. First, a literature survey of both static and dynamic instabilities associated with spherical shells is presented. Then, a general plastic instability condition for spherical shells subjected to displacement controlled and impulsive loading is given. This instability condition is evaluated for six plastic and visco-plastic constitutive relations. The role of strain-rate sensitivity on the instability point is investigated. Calculations for statically and dynamically loaded spherical shells are presented, illustrating the formation of instabilities as well as the role of imperfections. Conclusions of this work are that there are two fundamental types of instabilities associated with failure of spherical shells. In the case of impulsively loaded vessels, where the pulse duration is short compared to the fundamental period of the structure, one instability type is found not to occur in the absence of static internal pressure. Moreover, it is found that the specific role of strain-rate sensitivity on the instability strain depends on the form of the constitutive relation assumed.

Duffey, Thomas A [Los Alamos National Laboratory; Rodriguez, Edward A [Los Alamos National Laboratory

2010-01-01T23:59:59.000Z

200

Alan MacDiarmid, Conductive Polymers, and Plastic Batteries  

NLE Websites -- All DOE Office Websites (Extended Search)

Alan MacDiarmid, Conductive Polymers, and Plastic Batteries Alan MacDiarmid, Conductive Polymers, and Plastic Batteries Resources with Additional Information · Patents Alan MacDiarmid ©Alan MacDiarmid/ University of Pennsylvania Photo by Felice Macera Until 1987, the billions of batteries that had been marketed in myriad sizes and shapes all had one thing in common. To make electricity, they depended exclusively upon chemical reactions involving metal components of the battery. But today a revolutionary new type of battery is available commercially. It stores electricity in plastic. Plastic batteries are the most radical innovation in commercial batteries since the dry cell was introduced in 1890. Plastic batteries offer higher capacity, higher voltage, and longer shelf-life than many competitive designs. Companies are testing new shapes and configurations, including flat batteries, that can be bent like cardboard. Researchers expect that the new technology will free electronic designers from many of the constraints imposed by metal batteries such as limited recharging cycles, high weight, and high cost.

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Cylinder cyclone (LARCODEMS) density media separation of plastic wastes  

Science Journals Connector (OSTI)

Cylindrical cyclone media separators using a suspended calcite separation media simulating industrial scale operations are demonstrated to effectively separate a wide variety of forms and a greater range of particle sizes of plastics by density than presently recycled. Purities of plastic products and recoveries obtained from mixed plastic wastes are comparable to those reported for established separations. Products of ?100% purity with recoveries of >99% were obtained for high density fractions and >98% purities and recoveries for the low density fractions. Cyclonic centrifugal forces and/or the fine particle size of the separation media appear to minimize hydroscopic and particle shape effects. A mathematical model is proposed for defining plastic waste feed rates and treatable particle size ranges for the LARCODEMS media separator. Waste plastic separations yielded Ecart probable (Ep) values ?0.024 for a water only separation media. The Ep for 1.1gcm?3 separation medias was <0.032 with minimal to no variation in values for 18mm particle sizes. Variation in the quality of separations is shown to be minimal with <72?m, <45?m and <2?m media particle sizes. Media density offset created varied according to particle size.

Malcolm Richard Gent; Mario Menendez; Javier Torao; Diego Isidro; Susana Torno

2009-01-01T23:59:59.000Z

202

Recycling Carbon Dioxide to Make Plastics | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Recycling Carbon Dioxide to Make Plastics Recycling Carbon Dioxide to Make Plastics Recycling Carbon Dioxide to Make Plastics May 20, 2013 - 1:31pm Addthis Novomer’s thermoplastic pellets incorporate waste CO2 into a variety of consumer products. Novomer's thermoplastic pellets incorporate waste CO2 into a variety of consumer products. Why is this important? By using CO2 that would otherwise be emitted to the atmosphere, the process has the potential to cut greenhouse gas emissions while simultaneously reducing petroleum consumption and producing useful products for American consumers. The world's first successful large-scale production of a polypropylene carbonate (PPC) polymer using waste carbon dioxide (CO2) as a key raw material has resulted from a projected funded in part by the U.S. Department of Energy's Office of Fossil Energy.

203

Gradient Plasticity Model and its Implementation into MARMOT  

SciTech Connect

The influence of strain gradient on deformation behavior of nuclear structural materials, such as boby centered cubic (bcc) iron alloys has been investigated. We have developed and implemented a dislocation based strain gradient crystal plasticity material model. A mesoscale crystal plasticity model for inelastic deformation of metallic material, bcc steel, has been developed and implemented numerically. Continuum Dislocation Dynamics (CDD) with a novel constitutive law based on dislocation density evolution mechanisms was developed to investigate the deformation behaviors of single crystals, as well as polycrystalline materials by coupling CDD and crystal plasticity (CP). The dislocation density evolution law in this model is mechanism-based, with parameters measured from experiments or simulated with lower-length scale models, not an empirical law with parameters back-fitted from the flow curves.

Barker, Erin I.; Li, Dongsheng; Zbib, Hussein M.; Sun, Xin

2013-08-01T23:59:59.000Z

204

Method for formation of thin film transistors on plastic substrates  

DOE Patents (OSTI)

A process for formation of thin film transistors (TFTs) on plastic substrates replaces standard thin film transistor fabrication techniques, and uses sufficiently lower processing temperatures so that inexpensive plastic substrates may be used in place of standard glass, quartz, and silicon wafer-based substrates. The process relies on techniques for depositing semiconductors, dielectrics, and metals at low temperatures; crystallizing and doping semiconductor layers in the TFT with a pulsed energy source; and creating top-gate self-aligned as well as back-gate TFT structures. The process enables the fabrication of amorphous and polycrystalline channel silicon TFTs at temperatures sufficiently low to prevent damage to plastic substrates. The process has use in large area low cost electronics, such as flat panel displays and portable electronics.

Carey, Paul G. (Mountain View, CA); Smith, Patrick M. (San Ramon, CA); Sigmon, Thomas W. (Portola Valley, CA); Aceves, Randy C. (Livermore, CA)

1998-10-06T23:59:59.000Z

205

Method for formation of thin film transistors on plastic substrates  

DOE Patents (OSTI)

A process for formation of thin film transistors (TFTs) on plastic substrates replaces standard thin film transistor fabrication techniques, and uses sufficiently lower processing temperatures so that inexpensive plastic substrates may be used in place of standard glass, quartz, and silicon wafer-based substrates. The process relies on techniques for depositing semiconductors, dielectrics, and metals at low temperatures; crystallizing and doping semiconductor layers in the TFT with a pulsed energy source; and creating top-gate self-aligned as well as back-gate TFT structures. The process enables the fabrication of amorphous and polycrystalline channel silicon TFTs at temperatures sufficiently low to prevent damage to plastic substrates. The process has use in large area low cost electronics, such as flat panel displays and portable electronics. 5 figs.

Carey, P.G.; Smith, P.M.; Sigmon, T.W.; Aceves, R.C.

1998-10-06T23:59:59.000Z

206

Nonlinear elasto-plastic model for dense granular flow  

E-Print Network (OSTI)

This work proposes a model for granular deformation that predicts the stress and velocity profiles in well-developed dense granular flows. Recent models for granular elasticity (Jiang and Liu 2003) and rate-sensitive plastic flow (Jop et al. 2006) are reformulated and combined into one universal granular continuum law, capable of predicting flowing regions and stagnant zones simultaneously in any arbitrary 3D flow geometry. The unification is performed by justifying and implementing a Kroner-Lee elasto-plastic decomposition, with care taken to ensure certain continuum physical principles are necessarily upheld. The model is then numerically implemented in multiple geometries and results are compared to experiments and discrete simulations.

Ken Kamrin

2009-05-07T23:59:59.000Z

207

Plastic heliostat and heliostat enclosure analysis. Final report  

SciTech Connect

The conceptual design and cost analysis report of an enclosed plastic heliostat for a 50-MW/sub e/ central receiver solar thermal electric power plant are presented. The purpose of the study was to analyze the most recent design of the Boeing enclosed plastic heliostat for cost and compare results with a reference second generation glass heliostat case provided by Sandia National Laboratories, Livermore (SNLL). In addition, sensitivities of busbar energy costs to variations in capital cost (installed cost), operation and maintenance cost and overall reflectivity were evaluated.

Berry, M.J.

1984-12-01T23:59:59.000Z

208

RESEARCH ARTICLE Sustained effects for training of smooth pursuit plasticity  

E-Print Network (OSTI)

RESEARCH ARTICLE Sustained effects for training of smooth pursuit plasticity Karin Eibenberger modifications of the inputs, or by controlled training of sensory systems. While the effects of adaptation on eye movements elicited by the vestibulo-ocular reflex are well established, modifications

Haslwanter, Thomas

209

Properties of plastic mortar made with recycled polyethylene terephthalate  

Science Journals Connector (OSTI)

Abstract This paper studied the mechanical properties and durability of plastic mortar made with recycled Polyethylene Terephthalate (PET). The effects of gradation and admixtures, including bitumen, fly ash, and nano-calcium carbonate, on strength were investigated. The temperature stability was studied based on the compressive strength at different temperatures. The water absorption and sulfate corrosion resistance were conducted to evaluate the durability. The microstructure of the plastic mortar was observed by Scanning Electron Microscope (SEM). The test results show that increasing the content of fine particles could first increase and then decrease the strength. Partially replacing PET with bitumen and/or fly ash could significantly influence the strength. But the nano-calcium carbonate had no significant effect on strength. The plastic mortar had high stability as temperature changed from 30 to 90C. The strength was similar for specimens under different testing temperatures. The plastic mortar had very low water absorption and high sulfate corrosion resistance. The SEM results revealed that the PET and aggregates were bonded well.

Zhi Ge; Dawei Huang; Renjuan Sun; Zhili Gao

2014-01-01T23:59:59.000Z

210

The Second Swinburne Award in Plastics: DR. J. C. Swallow  

Science Journals Connector (OSTI)

... DR. JOHN CTJTHBEBT SWALLOW has been awarded the second Swinburne Medal by the Council of the Plastics Institute for his contribution to ... 1951 and he has been chairman since 1952. Dr. Swallow will deliver the Swinburne Award Address at the Royal Institution, 21 Albemarle Street, London, W.I, on November ...

1962-09-22T23:59:59.000Z

211

Master Thesis: Simulation of plastic deformation in cemented carbide inserts  

E-Print Network (OSTI)

Master Thesis: Simulation of plastic deformation in cemented carbide inserts Background Sandvik in cemented carbide, high-speed steel and other hard materials such as diamond, cubic boron nitride in cemented carbide inserts will be performed using the FEM software Ansys and AdvantEdge. The work

Haviland, David

212

Crystallization and doping of amorphous silicon on low temperature plastic  

DOE Patents (OSTI)

A method or process of crystallizing and doping amorphous silicon (a-Si) on a low-temperature plastic substrate using a short pulsed high energy source in a selected environment, without heat propagation and build-up in the substrate. The pulsed energy processing of the a-Si in a selected environment, such as BF3 and PF5, will form a doped micro-crystalline or poly-crystalline silicon (pc-Si) region or junction point with improved mobilities, lifetimes and drift and diffusion lengths and with reduced resistivity. The advantage of this method or process is that it provides for high energy materials processing on low cost, low temperature, transparent plastic substrates. Using pulsed laser processing a high (>900.degree. C.), localized processing temperature can be achieved in thin films, with little accompanying temperature rise in the substrate, since substrate temperatures do not exceed 180.degree. C. for more than a few microseconds. This method enables use of plastics incapable of withstanding sustained processing temperatures (higher than 180.degree. C.) but which are much lower cost, have high tolerance to ultraviolet light, have high strength and good transparency, compared to higher temperature plastics such as polyimide.

Kaschmitter, James L. (Pleasanton, CA); Truher, Joel B. (Palo Alto, CA); Weiner, Kurt H. (Campbell, CA); Sigmon, Thomas W. (Beaverton, OR)

1994-01-01T23:59:59.000Z

213

Plastic Hinging Behavior of Reinforced Concrete Bridge Columns  

E-Print Network (OSTI)

of the seismic performance of four-span large-scale bridge systems at the University of Nevada Reno that details deformations in column hinging regions during response to strong shaking events. In order to evaluate the plastic hinging regions, a photogrammetric...

Firat Alemdar, Zeynep

2010-04-27T23:59:59.000Z

214

INTRODUCTION The granular mechanics of plastics within a single-  

E-Print Network (OSTI)

INTRODUCTION The granular mechanics of plastics within a single- screw extruder has, for the past are transported forward by the action of the extruder screw, assisted by the differ- ence in frictional forces and feed hopper of a single-screw extruder. The method considers each particle in a granular assem- bly

Thompson, Michael

215

Theory of Synaptic Plasticity J. Leo van Hemmen  

E-Print Network (OSTI)

bei Munchen, Germany From: F. Moss and S. Gielen (Editors), `Handbook of Biological Physics (Vol. 4 such as Sejnowski's seminal work [6]. First of all, what is synaptic plasticity and where precisely does it occur of other neurons. When an axon bifurcates, the amplitude of a spike does not decrease but remains constant

van Hemmen, J. Leo

216

Accumulation and fragmentation of plastic debris in global environments  

Science Journals Connector (OSTI)

...of reasons, including local wind and current conditions, coastline...macro-plastics associated with wildlife (e.g. in bird nests and...intensity of currents, swell, winds and upwelling, which influence...carrier bags, which are easily wind blown, as well as discarded...

2009-01-01T23:59:59.000Z

217

Peripheral Inflammation Undermines the Plasticity of the Isolated Spinal Cord  

E-Print Network (OSTI)

. Interestingly, training with controllable electrical stimulation prior to capsaicin administration protects demonstrate that capsaicin also undermines the adaptive plasticity of the spinal cord, rendering the system thoracic vertebra and are tested 24 to 48 hours later. During testing, subjects receive shock to one

Grau, James

218

Adiabatic plastic deformation: the case of cutting process  

Science Journals Connector (OSTI)

Numerical and experimental research program was developed taking into account the high speed machining particularities. The results was analyzed by approaching the cutting process as adiabatic plastic deformation process. Firstly, the process of material ... Keywords: adiabatic cutting process, cutting thermodynamic system, high speed machining, surface layer

C. Maier; V. Vacarus; M. Banu; A. Epureanu

2009-10-01T23:59:59.000Z

219

Quantitative Analysis of Pesticides in Postconsumer Recycled Plastics Using Off-Line Supercritical Fluid Extraction/GC-ECD  

Science Journals Connector (OSTI)

One of the better alternatives is to recycle the plastic again for the same use. ... When these plastics are recycled, the pesticides remain in the plastic even after five recycling steps. ...

C. Nern; R. Batlle; J. Cacho

1997-08-15T23:59:59.000Z

220

Rheological Modification of Lubricating Greases with Recycled Polymers from Different Plastics Waste  

Science Journals Connector (OSTI)

Rheological Modification of Lubricating Greases with Recycled Polymers from Different Plastics Waste ... Tall, S.; Albertsson, A. C.; Karlsson, S. Recycling of Mixed Plastic Fractions: Mechanical Properties of Multicomponent Extruded Polyolefin Blends Using Response Surface Methodology J. Appl. ...

J. E. Martn-Alfonso; C. Valencia; M. C. Snchez; J. M. Franco; C. Gallegos

2009-03-12T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Geek-Up[10.15.2010]: Growing Nanoparticles, Developing Plastic...  

Energy Savers (EERE)

Up10.15.2010: Growing Nanoparticles, Developing Plastic from Bacteria and Wireless Water Heaters Geek-Up10.15.2010: Growing Nanoparticles, Developing Plastic from Bacteria and...

222

RIS-M-2586 ELASTIC-PLASTIC FRACTURE MECHANICS ANALYSIS OF A CT-SPECIMEN  

E-Print Network (OSTI)

RIS?-M-2586 ELASTIC-PLASTIC FRACTURE MECHANICS ANALYSIS OF A CT-SPECIMEN - A TWO-DIMENSIONAL APPROACH Gunner C. Larsen Abstract. This report documents the results obtained from an elastic-plastic

223

Baling Used Agricultural Plastic Dr. Ron Goldy, MSUE, District Extension Educator  

E-Print Network (OSTI)

and an increase in oil prices oil have made recycling this plastic a possibility. The first step, however asked by the general public is, "What happens to all the plastic?" Historically it was sent to local

224

The unfinished miracle : how plastics came to be lost at sea  

E-Print Network (OSTI)

Plastic trash is an increasingly significant source of pollution in the world's oceans. In some remote ocean regions, it is aggregating by the ton. This thesis investigates plastic trash as an emerging marine contaminant, ...

Martinez, Amanda Rose

2010-01-01T23:59:59.000Z

225

Technical specifications for mechanical recycling of agricultural plastic waste  

SciTech Connect

Highlights: Technical specifications for agricultural plastic wastes (APWs) recycling proposed. Specifications are the base for best economical and environmental APW valorisation. Analysis of APW reveals inherent characteristics and constraints of APW streams. Thorough survey on mechanical recycling processes and industry as it applies to APW. Specifications for APW recycling tested, adjusted and verified through pilot trials. - Abstract: Technical specifications appropriate for the recycling of agricultural plastic wastes (APWs), widely accepted by the recycling industry were developed. The specifications establish quality standards to be met by the agricultural plastics producers, users and the agricultural plastic waste management chain. They constitute the base for the best economical and environmental valorisation of the APW. The analysis of the APW streams conducted across Europe in the framework of the European project LabelAgriWaste revealed the inherent characteristics of the APW streams and the inherent constraints (technical or economical) of the APW. The APW stream properties related to its recycling potential and measured during pilot trials are presented and a subsequent universally accepted simplified and expanded list of APW recycling technical specifications is proposed and justified. The list includes two sets of specifications, applied to two different quality categories of recyclable APW: one for pellet production process (Quality I) and another one for plastic profile production process (Quality II). Parameters that are taken into consideration in the specifications include the APW physical characteristics, contamination, composition and degradation. The proposed specifications are focused on polyethylene based APW that represents the vast majority of the APW stream. However, the specifications can be adjusted to cover also APW of different materials (e.g. PP or PVC) that are found in very small quantities in protected cultivations in Europe. The adoption of the proposed specifications could transform this waste stream into a labelled commodity traded freely in the market and will constitute the base for the best economical and environmental valorisation of the APW.

Briassoulis, D., E-mail: briassou@aua.gr; Hiskakis, M.; Babou, E.

2013-06-15T23:59:59.000Z

226

A Research Needs Assessment for waste plastics recycling: Volume 2, Project report. Final report  

SciTech Connect

This second volume contains detailed information on a number of specific topics relevant to the recovery/recycling of plastics.

NONE

1994-12-01T23:59:59.000Z

227

Structuring policy problems for plastics, the environment and human health: reflections from the UK  

Science Journals Connector (OSTI)

...Policymaking around land-based plastics has shifted direction over...product policy approach to plastic-containing products ( http...subsequently prepared for reuse, recycled, subjected to energy recovery...Policy processes relating to plastics are driven by several European...

2009-01-01T23:59:59.000Z

228

ON THE PENETRATION OF AN ELASTIC-PLASTIC MATERIAL BY A SLENDER BODY  

Science Journals Connector (OSTI)

......yield condition. PENETRATION OF AN ELASTIC-PLASTIC...make the stress-rate measure independent...controlled by the strain rate, and formalizes...with a slender neck PENETRATION OF AN ELASTIC-PLASTIC...Jaumann terms. PENETRATION OF AN ELASTIC-PLASTIC...which the stress rates are neglected and......

J. NORBURY; A. A. WHEELER

1987-11-01T23:59:59.000Z

229

Wood plastic composites based on microfibrillar blends of high density polyethylene/poly(ethylene terephthalate)  

E-Print Network (OSTI)

Wood plastic composites based on microfibrillar blends of high density polyethylene January 2010 Keywords: Wood plastic composites Poly(ethylene terephthalate) Polyethylene Extrusion a b into wood plastic composites through a two-step reactive extrusion technology. Wood flour was added into pre

230

Thermo-elasto-plastic finite element analysis of quasi-state processes in Eulerian reference  

E-Print Network (OSTI)

Thermo-elasto-plastic finite element analysis of quasi-state processes in Eulerian reference frames ­ Incremental scheme ­ Fine mesh along entire heat source path ­ Lengthy computer runs · Elasto-Plasticity at times ti and ti-1, respectively. Penn State University 5 #12;Elasto-Plasticity Equilibrium: r(r, t) + b

Michaleris, Panagiotis

231

Improved Bounds on the Effective Yield Surface of Inhomogeneous Rigid/Plastic Materials  

E-Print Network (OSTI)

Improved Bounds on the Effective Yield Surface of Inhomogeneous Rigid/Plastic Materials Tamara January 1993 Abstract The yield surface of a mixture of rigid/perfectly­plastic materials is examined plasticity under suffi­ ciently large stress. The set of stresses at which the deformation changes from

Olson, Tamara

232

he edge of a torn plastic sheet forms a complex three-dimensional fractal  

E-Print Network (OSTI)

T he edge of a torn plastic sheet forms a complex three-dimensional fractal shape. We have found to the generation of characteristic wavy shapes. We used rectangular plastic sheets pulled from the sides (in the y produce an irreversible plastic deforma- tion of the sheet and, as they are relieved, the deformed sheet

Texas at Austin. University of

233

Weathering Effects on Mechanical Properties of Recycled HDPE Based Plastic Lumber  

E-Print Network (OSTI)

Weathering Effects on Mechanical Properties of Recycled HDPE Based Plastic Lumber Jennifer K. Lynch recycled plastic lumber (RPL) decking was exposed to the environment for eleven years. The weathering in the construction of the deck were a commingled recycled plastic material referred to as curbside tailings, NJCT

234

FINITE-ELEMENT FORMULATIONS FOR PROBLEMS OF LARGE ELASTIC-PLASTIC DEFORMATION  

E-Print Network (OSTI)

FINITE-ELEMENT FORMULATIONS FOR PROBLEMS OF LARGE ELASTIC-PLASTIC DEFORMATION R. M. MCM~EKING and J elastic-plastic flow.The method is based on Hill's variational principle for incremental deformations in a manner which allows any conventions finite element program, for "small strain" elastic-plastic analysis

235

PLASTIC VERSUS ELASTIC DEFORMATION EFFECTS ON MAGNETIC BARKHAUSEN NOISE IN STEEL  

E-Print Network (OSTI)

PLASTIC VERSUS ELASTIC DEFORMATION EFFECTS ON MAGNETIC BARKHAUSEN NOISE IN STEEL C.-G. STEFANITA, D) AbstractÐA study was performed to dierentiate the eects of elastic and plastic deformation on magnetic samples subjected to varying degrees of uniaxial elastic and plastic deformation up to H40% strain

Clapham, Lynann

236

Local Flaps: A Real-Time Finite Element Based Solution to the Plastic Surgery  

E-Print Network (OSTI)

Local Flaps: A Real-Time Finite Element Based Solution to the Plastic Surgery Defect Puzzle fundamental challenges in plastic surgery is the alter- ation of the geometry and topology of the skin for the patient after the procedure is completed. The plastic surgeon must look at the defect created

Liblit, Ben

237

RATE SENSITIVITY OF PLASTIC FLOW AND IMPLICATIONS FOR YIELD-SURFACE VERTICES  

E-Print Network (OSTI)

RATE SENSITIVITY OF PLASTIC FLOW AND IMPLICATIONS FOR YIELD-SURFACE VERTICES Jwo PAN Stress; in recked form 29 Norember 1982) &tract-When crystalline slip is considered as the micromechanism of plastic sensitivity of plastic flow may be central to understanding the ambiguous conclusions from experimental

238

Interfaces and Plastic Deformation in Materials: From Theory to Engineering (3 Credits)  

E-Print Network (OSTI)

Interfaces and Plastic Deformation in Materials: From Theory to Engineering (3 Credits) Instructor in their plastic deformation. The interface structures and defects will be described at different scales. Interfaces and high temperature plasticity 11. Triple junctions: from free to constrained interfaces 12

Chen, Zheng

239

Structural Signature of Plastic Deformation in Metallic Glasses H. L. Peng,1,2  

E-Print Network (OSTI)

Structural Signature of Plastic Deformation in Metallic Glasses H. L. Peng,1,2 M. Z. Li,2,* and W the degree of local fivefold symmetry (LFFS) as the structural indicator to predict plastic deformation of local structures and find that the plastic events prefer to be initiated in regions with a lower degree

Wang, Wei Hua

240

Specular highlights of plastic surfaces and the Fresnel Coefficient Elli Angelopoulou*  

E-Print Network (OSTI)

Specular highlights of plastic surfaces and the Fresnel Coefficient Elli Angelopoulou* and Sofya that the color of specularities for materials like plastics and ceramics can be approximated by the color by experiments performed on multispectral images of different colored plastic tiles. The refractive indices

Angelopoulou, Elli

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Researchers at the University of Alicante develop a method for recycling plastic with printed ink  

E-Print Network (OSTI)

Researchers at the University of Alicante develop a method for recycling plastic with printed ink printed ink on plastic films used in flexible packaging getting a product free from ink and suitable Group, allows the removal of printed ink through a physical-chemical treatment and retrieves the plastic

Escolano, Francisco

242

THE ELASTIC-PLASTIC MECHANICS OF CRACK EXTENSION James R. Rice*  

E-Print Network (OSTI)

THE ELASTIC-PLASTIC MECHANICS OF CRACK EXTENSION James R. Rice* ABSTRACT This paper briefly reviews progres~in the elastic plastic analysisof crack extension. Analytical results for plane strain and plane stress deformation fields are noted, and elastic-plastic fracture instability as well as transitional

243

Covariance of phenotypically plastic traits induces an adaptive shift in host selection behaviour  

E-Print Network (OSTI)

Covariance of phenotypically plastic traits induces an adaptive shift in host selection behaviour efficiency. In the present study, we investigated covariance of two plastic traits--size at pupation and host; evolution 1. INTRODUCTION Phenotypic plasticity is defined as the ability of an organism to change its

Dukas, Reuven

244

Bendable single crystal silicon thin film transistors formed by printing on plastic substrates  

E-Print Network (OSTI)

Bendable single crystal silicon thin film transistors formed by printing on plastic substrates E on plastic substrates using an efficient dry transfer printing technique. In these devices, free standing-Si is then transferred, to a specific location and with a controlled orientation, onto a thin plastic sheet

Rogers, John A.

245

A CAVITATION TRACKING METHOD FOR ELASTIC-PLASTIC FLOW IN SOLIDS  

E-Print Network (OSTI)

A CAVITATION TRACKING METHOD FOR ELASTIC-PLASTIC FLOW IN SOLIDS Keh-Ming Shyue Department tracking approach for the numerical simulation of one-dimensional elastic- plastic flow in solids, and the von Mises condition for the elastic-plastic phase change. To characterize the cavitation

Shyue, Keh-Ming

246

Elastic-Plastic Models for Stable Crack Growtht *James R. Rice  

E-Print Network (OSTI)

Elastic-Plastic Models for Stable Crack Growtht by *James R. Rice Mareh 1973 'PCAbh ~ ~ e c.\\. (n do not fully recover their strain upon unloading. The idealized non-linear elastic (left) and rigid-plastic,. there is ~ strain concentration created at the cut-ahead tip in the rigid-plastic material and the deformation field

247

An accurate elasto-plastic frictional tangential forcedisplacement model for granular-flow  

E-Print Network (OSTI)

An accurate elasto-plastic frictional tangential force­displacement model for granular for both elastic and plastic deformations together with interfacial friction occurring in collisions of spherical particles. This elasto-plastic frictional TFD model, with its force-driven version presented in [L

Vu-Quoc, Loc

248

1 INTRODUCTION The plastic behavior of a certain powder or soil sam-  

E-Print Network (OSTI)

1 INTRODUCTION The plastic behavior of a certain powder or soil sam- ple depends on the history in order to in- vestigate the elasto-plastic response of granular ma- terials. An alternative is obtained by the calculation of the interaction forces between parti- cles. This includes, e.g., plastic

Luding, Stefan

249

Parametric dislocation dynamics: A thermodynamics-based approach to investigations of mesoscopic plastic deformation  

E-Print Network (OSTI)

plastic deformation N. M. Ghoniem, S.-H. Tong, and L. Z. Sun Mechanical and Aerospace Engineering 3D interacting dislocation loops. The approach is appropriate for investigations of plastic defor formation of dislocation junctions. I. INTRODUCTION A fundamental description of plastic deformation is now

Ghoniem, Nasr M.

250

PLASTIC BEHAVIOR OF PRESTRAINED METALS: MICROSTRUCTURAL ASPECTS. J.L. RAPHANEL and J.-H. SCHMITT  

E-Print Network (OSTI)

708 PLASTIC BEHAVIOR OF PRESTRAINED METALS: MICROSTRUCTURAL ASPECTS. J.L. RAPHANEL and J. 23 (1988) 708 AVRIL 1988, The plastic behavior of prestrained materials is often studied from, a plastic deformation induces microstructural evolutions. For a poly- crystalline single phase metal which

Paris-Sud XI, Université de

251

PHYSICAL NATURE OF SHEAR BANDS FORMATION AND CONSTITUTIVE MODELLING FOR PLASTIC INSTABILITY  

E-Print Network (OSTI)

697 PHYSICAL NATURE OF SHEAR BANDS FORMATION AND CONSTITUTIVE MODELLING FOR PLASTIC INSTABILITYtokrzyska 21,00-049 Warsaw,Poland Revue Phys. Appl. 23 (1988) 697 AVRIL 1988, Studies of plastic deformation dependent hardening property can be pivotal in the modelling for plastic deform- ation instability

Paris-Sud XI, Université de

252

LeBonheur Children's Hospital/Aesthetic Surgery Plastic Surgery Rotation  

E-Print Network (OSTI)

LeBonheur Children's Hospital/Aesthetic Surgery Plastic Surgery Rotation PGY-7 (2nd year Resident) By the end of the Plastic Surgery Rotation at LeBonheur Children's Hospital and Aesthetic Surgery, the PGY-7 with the following conditions needing plastic surgery including but not limited to: · Mammary ptosis. mammary

Cui, Yan

253

Mitigating Effects of Plastic Surgery: Fusing Face and Ocular Biometrics Raghavender Jillela and Arun Ross  

E-Print Network (OSTI)

Mitigating Effects of Plastic Surgery: Fusing Face and Ocular Biometrics Raghavender Jillela.Ross}@mail.wvu.edu Abstract The task of successfully matching face images obtained before and after plastic surgery is a challenging problem. The degree to which a face is altered depends on the type and number of plastic surgeries

Ross, Arun Abraham

254

Post-Consumer Plastic Particle Sortation by Plastic Type with the Use of Magnetic Fields and Ferrofluids for the Recycling Industry: A Proof of Concept Study.  

E-Print Network (OSTI)

??In 2010, the United States generated over 31 million tons of plastic waste, and from that total, only 8% was recycled. With demand for lower (more)

Moening, Andrew

2013-01-01T23:59:59.000Z

255

Alan J. Heeger, Conductive Polymers, and Plastic Solar Cells  

Office of Scientific and Technical Information (OSTI)

Alan J. Heeger, Conductive Polymers, and Plastic Solar Cells Alan J. Heeger, Conductive Polymers, and Plastic Solar Cells Resources with Additional Information · Patents · Videos After receiving 'his physics Ph.D. at the University of California at Berkeley in 1961, [Alan J.] Heeger would spend the next 20 years teaching the subject at the University of Pennsylvania - while also designing and then launching one of the nation's premiere scientific think tanks: the Laboratory for Research on the Structure of Matter. Alan J. Heeger Courtesy of Randy Lamb, UCSB It was there in the Penn experimental lab, during the fall and early winter of 1976, that Heeger and two colleagues would first begin to explore the possibility of manipulating "long chains of polymers" with an eye to "altering their properties" so that they could be coaxed into conducting electricity.'1

256

Cell resolved, multiparticle model of plastic tissue deformations and morphogenesis  

E-Print Network (OSTI)

We propose a three dimensional mechanical model of embryonic tissue dynamics. Mechanically coupled adherent cells are represented as particles interconnected with elastic beams which can exert non-central forces and torques. Tissue plasticity is modeled by a stochastic process consisting of a connectivity change (addition or removal of a single link) followed by a complete relaxation to mechanical equilibrium. In particular, we assume that (i) two non-connected, but adjacent particles can form a new link; and (ii) the lifetime of links is reduced by tensile forces. We demonstrate that the proposed model yields a realistic macroscopic elasto-plastic behavior and we establish how microscopic model parameters affect the material properties at the macroscopic scale. Based on these results, microscopic parameter values can be inferred from tissue thickness, macroscopic elastic modulus and the magnitude and dynamics of intercellular adhesion forces. In addition to their mechanical role, model particles can also act...

Czirok, Andras

2014-01-01T23:59:59.000Z

257

Methods for the continuous production of plastic scintillator materials  

DOE Patents (OSTI)

Methods for producing plastic scintillating material employing either two major steps (tumble-mix) or a single major step (inline-coloring or inline-doping). Using the two step method, the polymer pellets are mixed with silicone oil, and the mixture is then tumble mixed with the dopants necessary to yield the proper response from the scintillator material. The mixture is then placed in a compounder and compounded in an inert gas atmosphere. The resultant scintillator material is then extruded and pelletized or formed. When only a single step is employed, the polymer pellets and dopants are metered into an inline-coloring extruding system. The mixture is then processed under a inert gas atmosphere, usually argon or nitrogen, to form plastic scintillator material in the form of either scintillator pellets, for subsequent processing, or as material in the direct formation of the final scintillator shape or form.

Bross, Alan (Downers Grove, IL); Pla-Dalmau, Anna (Naperville, IL); Mellott, Kerry (Malta, IL)

1999-10-19T23:59:59.000Z

258

Symmetry group analysis of an ideal plastic flow  

E-Print Network (OSTI)

In this paper, we study the Lie point symmetry group of a system describing an ideal plastic plane flow in two dimensions in order to find analytical solutions. The infinitesimal generators that span the Lie algebra for this system are obtained. We completely classify the subalgebras of up to codimension two in conjugacy classes under the action of the symmetry group. Based on invariant forms, we use Ansatzes to compute symmetry reductions in such a way that the obtained solutions cover simultaneously many invariant and partially invariant solutions. We calculate solutions of the algebraic, trigonometric, inverse trigonometric and elliptic type. Some solutions depending on one or two arbitrary functions of one variable have also been found. In some cases, the shape of a potentially feasible extrusion die corresponding to the solution is deduced. These tools could be used to thin, curve, undulate or shape a ring in an ideal plastic material.

Vincent Lamothe

2011-02-11T23:59:59.000Z

259

Plastics' Color Problem: How a New Device Will Prevent Waste | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Plastics' Color Problem: How a New Device Will Prevent Waste Plastics' Color Problem: How a New Device Will Prevent Waste Plastics' Color Problem: How a New Device Will Prevent Waste July 22, 2010 - 3:20pm Addthis This is a probe for use in an extruder, similar to the one being developed by Guided Wave of Rancho Cordova, Calif. | Photo courtesy of Guided Wave. This is a probe for use in an extruder, similar to the one being developed by Guided Wave of Rancho Cordova, Calif. | Photo courtesy of Guided Wave. What are the key facts? Commercial plastics made at 752 degrees Fahrenheit and 2,000 psi Conventional plastic color detectors break at high temps and pressures Plastics with incorrect colors, require rerunning production - wasting energy $250,000 DOE grant to support development of improved probe Color can make or break commercial plastics. And commercial or extruded

260

Technology and future prospects for lightweight plastic vehicle structures  

SciTech Connect

The state of the technology and the materials and processing issues of using plastics in vehicle body applications (structural and semistructural) were assessed. Plastics are significantly lighter in weight, more easily fabricated into complex shapes, and more corrosion resistance than sheet steel, high-strength steel, or aluminum. However, at their current stage of development, plastics are deficient in one or more necessary properties: heat resistance and dimensional stability, stiffness and tensile strength, toughness, and impact resistance. To upgrade their physical properties for automotive chassis/body applications, plastics need to be compounds with suitable reinforcing fibers. As a short-term approach, the material of choice is a composite structure made with low-cost glass-fiber reinforcement, such as that made in the resin-transfer-molding (RTM) process and used in the body of the Dodge Viper. However, RTM technology based on thermosets requires a processing cycle time that is too long for large production runs. Adaptation of RTM to the formation of thermoplastic composite bodies could have a significant advantage over thermoset technology. Cyclic oligomers, which are precursors to thermoplastic matrix polymers, show promise for this application. Farther on the horizon are advanced composites compounds with the much more expensive (but stronger and stiffer) carbon-fiber reinforcement. However, significant price reductions of precursor materials and advances in processing and fabrication would be needed. Other materials holding promise are liquid crystal polymers (LCP) and LCP blends with other polymers (molecular composites). However, the cost of monomers and the subsequent polymerization technology also remains a considerable drawback to the widespread and increasing acceptance of LCPs.

Stodolsky, F.; Cuenca, R.M.; Bonsignore, P.V.

1997-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Compacting Plastic-Bonded Explosive Molding Powders to Dense Solids  

SciTech Connect

Dense solid high explosives are made by compacting plastic-bonded explosive molding powders with high pressures and temperatures for extended periods of time. The density is influenced by manufacturing processes of the powders, compaction temperature, the magnitude of compaction pressure, pressure duration, and number of repeated applications of pressure. The internal density variation of compacted explosives depends on method of compaction and the material being compacted.

B. Olinger

2005-04-15T23:59:59.000Z

262

Programmable Logic Circuits for Functional Integrated Smart Plastic Systems  

E-Print Network (OSTI)

, Cambridge, UK bProgrammable logic circuits for func plastic systems Antony Sou a,?, Sungjune Jung a,1, Enrico Gili a, Guillaume Fichet b, Henning Sirringhaus a,*nal integrated smart cenzo Pecunia a, Jerome Joimel b, ctronics sevier .com/locate /orgel 3112 A... - edge Centre (CIKC), and the Technology Strategy Board (TSB). We acknowledge Reckitt Benckiser for the design of the graphical pattern of the display on the FIPS2 foil. Appendix A. Supplementary material Supplementary data associated with this article...

Sou, Antony; Jung, Sungjune; Gili, Enrico; Pecuni, Vincenzo; Joimel, Jerome; Fichet, Guillaume; Sirringhaus, Henning

2014-09-12T23:59:59.000Z

263

Pre-release plastic packaging of MEMS and IMEMS devices  

DOE Patents (OSTI)

A method is disclosed for pre-release plastic packaging of MEMS and IMEMS devices. The method can include encapsulating the MEMS device in a transfer molded plastic package. Next, a perforation can be made in the package to provide access to the MEMS elements. The non-ablative material removal process can include wet etching, dry etching, mechanical machining, water jet cutting, and ultrasonic machining, or any combination thereof. Finally, the MEMS elements can be released by using either a wet etching or dry plasma etching process. The MEMS elements can be protected with a parylene protective coating. After releasing the MEMS elements, an anti-stiction coating can be applied. The perforating step can be applied to both sides of the device or package. A cover lid can be attached to the face of the package after releasing any MEMS elements. The cover lid can include a window for providing optical access. The method can be applied to any plastic packaged microelectronic device that requires access to the environment, including chemical, pressure, or temperature-sensitive microsensors; CCD chips, photocells, laser diodes, VCSEL's, and UV-EPROMS. The present method places the high-risk packaging steps ahead of the release of the fragile portions of the device. It also provides protection for the die in shipment between the molding house and the house that will release the MEMS elements and subsequently treat the surfaces.

Peterson, Kenneth A. (Albuquerque, NM); Conley, William R. (Tijeras, NM)

2002-01-01T23:59:59.000Z

264

Elastic-Plastic-Brittle Transitions and Avalanches in Disordered Media Sohan Kale and Martin Ostoja-Starzewski*  

E-Print Network (OSTI)

Elastic-Plastic-Brittle Transitions and Avalanches in Disordered Media Sohan Kale and Martin Ostoja to simulate elastic-plastic-brittle transitions in a disordered medium is presented. The model is based, and the fracture surfaces. The model demonstrates a plastic strain avalanche behavior for perfectly plastic as well

Ostoja-Starzewski, Martin

265

Plastics Avoiding Bisphenol-A (BPA) Why is there concern? Researchers are concerned that even at low levels, environmental estrogens  

E-Print Network (OSTI)

Plastics � Avoiding Bisphenol-A (BPA) Why is there concern? Researchers are concerned that even the risk of breast cancer. An ingredient called bisphenol-A (BPA) is used in certain plastics (polycarbonate plastic) and the lining of canned food and beverages. BPA can leach out of plastics and can liners

Danforth, Bryan Nicholas

266

EMPTY CHEMICAL BOTTLES RECYCLING PROGRAM Empty Chemical Bottles Recycling includes all glass, plastic and metal bottles and containers that previously  

E-Print Network (OSTI)

, plastic and metal bottles and containers that previously contained hazardous or non-hazardous chemicals

Baker, Chris I.

267

Comparison of isotropic elasto-plastic models for the plastic metric tensor $C_p=F_p^T\\, F_p$  

E-Print Network (OSTI)

We discuss in detail existing isotropic elasto-plastic models based on 6-dimensional flow rules for the positive definite plastic metric tensor $C_p=F_p^T\\, F_p$ and highlight their properties and interconnections. We show that seemingly different models are equivalent in the isotropic case.

Patrizio Neff; Ionel-Dumitrel Ghiba

2014-10-08T23:59:59.000Z

268

Recovery and separation of high-value plastics from discarded household appliances  

SciTech Connect

Argonne National Laboratory is conducting research to develop a cost- effective and environmentally acceptable process for the separation of high-value plastics from discarded household appliances. The process under development has separated individual high purity (greater than 99.5%) acrylonitrile-butadiene-styrene (ABS) and high- impact polystyrene (HIPS) from commingled plastics generated by appliance-shredding and metal-recovery operations. The process consists of size-reduction steps for the commingled plastics, followed by a series of gravity-separation techniques to separate plastic materials of different densities. Individual plastics of similar densities, such as ABS and HIPS, are further separated by using a chemical solution. By controlling the surface tension, the density, and the temperature of the chemical solution we are able to selectively float/separate plastics that have different surface energies. This separation technique has proven to be highly effective in recovering high-purity plastics materials from discarded household appliances. A conceptual design of a continuous process to recover high-value plastics from discarded appliances is also discussed. In addition to plastics separation research, Argonne National Laboratory is conducting research to develop cost-effective techniques for improving the mechanical properties of plastics recovered from appliances.

Karvelas, D.E.; Jody, B.J.; Poykala, J.A. Jr.; Daniels, E.J. [Argonne National Lab., IL (United States). Energy Systems Div.; Arman, B. [Argonne National Lab., IL (United States). Energy Systems Div.]|[Praxair, Inc., Tarrytown, NY (United States)

1996-03-01T23:59:59.000Z

269

Dynamically strained ferroelastics: Statistical behavior in elastic and plastic regimes  

Science Journals Connector (OSTI)

The dynamic evolution in ferroelastic crystals under external shear is explored by computer simulation of a two-dimensional model. The characteristic geometrical patterns obtained during shear deformation include dynamic tweed in the elastic regime as well as interpenetrating needle domains in the plastic regime. As a result, the statistics of jerk energy differ in the elastic and plastic regimes. In the elastic regime the distributions of jerk energy are sensitive to temperature and initial configurations. However, in the plastic regime the jerk distributions are rather robust and do not depend much on the details of the configurations, although the geometrical pattern formed after yield is strongly influenced by the elastic constants of the materials and the configurations we used. Specifically, for all geometrical configurations we studied, the energy distribution of jerks shows a power-law noise pattern P(E)?E?(??1)(??1=1.3?2) at low temperatures and a Vogel-Fulcher distribution P(E)???exp-(E/E0) at high temperatures. More complex behavior occurs at the crossover between these two regimes where our simulated jerk distributions are very well described by a generalized Poisson distributions P(E)?E?(??1) exp-(E/E0)n with n = 0.40.5 and ??1 ? 0 (Kohlrausch law). The geometrical mechanisms for the evolution of the ferroelastic microstructure under strain deformation remain similar in all thermal regimes, whereas their thermodynamic behavior differs dramatically: on heating, from power-law statistics via the Kohlrausch law to a Vogel-Fulcher law. There is hence no simple way to predict the local evolution of the twin microstructure from just the observed statistical behavior of a ferroelastic crystal. It is shown that the Poisson distribution is a convenient way to describe the crossover behavior contained in all the experimental data without recourse to specific scaling functions or temperature-dependent cutoff lengths.

X. Ding; T. Lookman; Z. Zhao; A. Saxena; J. Sun; E. K. H. Salje

2013-03-20T23:59:59.000Z

270

Just One Word-Plastics | U.S. DOE Office of Science (SC)  

Office of Science (SC) Website

Just One Word-Plastics Just One Word-Plastics Discovery & Innovation Stories of Discovery & Innovation Brief Science Highlights SBIR/STTR Highlights Contact Information Office of Science U.S. Department of Energy 1000 Independence Ave., SW Washington, DC 20585 P: (202) 586-5430 09.24.12 Just One Word-Plastics A "universal" plastic coating could lead to lower cost, more flexible electronic devices. Print Text Size: A A A Subscribe FeedbackShare Page Click to enlarge photo. Enlarge Photo Using polymers to develop new low work function materials, EFRC researchers created the first completely plastic solar cell, where not just the cell itself but also its electrodes are made of plastic. Photo courtesy of Virginie Drujon-Kippelen Using polymers to develop new low work function materials, EFRC researchers

271

Visualization of stacking faults in fcc crystals in plastic deformations  

E-Print Network (OSTI)

Using molecular dynamics simulation, we investigate the dynamics of stacking faults in fcc crystals in uniaxial stretching in a Lennard-Jones binary mixture composed of 4096 particles in three dimensions. We visualize stacking faults using a disorder variable $D_j(t)$ for each particle $j$ constructed from local bond order parameters based on spherical harmonics (Steinhardt order parameters). Also introducing a method of bond breakage, we examine how stacking faults are formed and removed by collective particle motions. These processes are relevant in plasticity of fcc crystals.

Takeshi Kawasaki; Akira Onuki

2011-11-27T23:59:59.000Z

272

A Novel Thermal Position Sensor Integrated On A Plastic Substrate  

E-Print Network (OSTI)

A thermal position sensor was fabricated and evaluated. The device consists of an array of temperature sensing elements, fabricated entirely on a plastic substrate. A novel fabrication technology was implemented which allows direct integration with read out electronics and communication to the macro-world without the use of wire bonding. The fabricated sensing elements are temperature sensitive Pt resistors with an average TCR of 0.0024/C. The device realizes the detection of the position and the motion of a heating source by monitoring the resistance variation of the thermistor array. The application field of such a cost-effective position sensor is considered quite extensive.

A. Petropoulos; G. Kaltsas; D. Goustouridis; A. G. Nassiopoulou

2008-01-07T23:59:59.000Z

273

Plastic ablator ignition capsule design for the National Ignition Facility  

SciTech Connect

This paper describes current efforts to develop a plastic ablator capsule design for the first ignition attempt on the National Ignition Facility. The trade-offs in capsule scale and laser energy that must be made to achieve ignition probabilities comparable to those with other candidate ablators, beryllium and high-density carbon, are emphasized. Large numbers of 1-D simulations, meant to assess the statistical behavior of the target design, as well as 2-D simulations to assess the target's susceptibility to Rayleigh-Taylor growth are discussed.

Clark, D S; Haan, S W; Hammel, B A; Salmonson, J D; Callahan, D A; Town, R J

2009-10-06T23:59:59.000Z

274

Supporting Information Scalable Air Cathode Microbial Fuel Cells Using Glass Fiber Separators, Plastic Mesh  

E-Print Network (OSTI)

, Plastic Mesh Supporters, and Graphite Fiber Brush Anodes Xiaoyuan Zhang a , Shaoan Cheng b, c , Peng Liang (mW/m2 ) Reference Single brush Single Without plastic mesh or GF1 12 9.5±0.2 68±1 1160±21 This study Single brush Single Without plastic mesh, with GF1 12 11.8±2.1 74±4 1277±80 This study Single brush

275

The effects of ethanol on bidirectional synaptic plasticity in the hippocampus.  

E-Print Network (OSTI)

??The effects of ethanol on the brain are far reaching. However, the effect of ethanol on synaptic plasticity has not yet been fully explored. Although (more)

Shin, James

2010-01-01T23:59:59.000Z

276

E-Print Network 3.0 - aktau plastics plant Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

resource foraging... will be restricted to the role of plasticity in the capture of resources by the root ... Source: Novoplansky, Ariel - Department of Desert Ecology, Jacob...

277

Arrangement for connecting a fiber-reinforced plastic pipe to a stainless steel flange  

DOE Patents (OSTI)

Arrangement for connecting a fiber-reinforced plastic pipe (18) to a stainless steel flange (12, 16), in which the end of the fiber-reinforced plastic pipe (18) is accommodated in a ring-shaped groove (12a, 16a) in the flange (12, 16), the groove conforming to the dimensions of the fiber-reinforced plastic pipe (18), where the gap remaining between the end of the fiber-reinforced plastic pipe (18) and the ring-shaped groove (12a, 16a) is filled with a sealant (19).

Allais, Arnaud (D-30625 Hannover, DE); Hoffmann, Ernst (D-30855 Langenhagen, DE)

2008-02-05T23:59:59.000Z

278

A First Step towards Large-Scale Plants to Plastics Engineering...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

synthetic gas. However, thanks to the BNLDow team, scientists may be able to produce plastic through a sustainable process based on the energy found in sunlight and carbon...

279

Thick adherent dielectric films on plastic substrates and method for depositing same  

DOE Patents (OSTI)

Thick adherent dielectric films deposited on plastic substrates for use as a thermal barrier layer to protect the plastic substrates from high temperatures which, for example, occur during laser annealing of layers subsequently deposited on the dielectric films. It is desirable that the barrier layer has properties including: a thickness of 1 .mu.m or greater, adheres to a plastic substrate, does not lift-off when cycled in temperature, has few or no cracks and does not crack when subjected to bending, resistant to lift-off when submersed in fluids, electrically insulating and preferably transparent. The thick barrier layer may be composed, for example, of a variety of dielectrics and certain metal oxides, and may be deposited on a variety of plastic substrates by various known deposition techniques. The key to the method of forming the thick barrier layer on the plastic substrate is maintaining the substrate cool during deposition of the barrier layer. Cooling of the substrate maybe accomplished by the use of a cooling chuck on which the plastic substrate is positioned, and by directing cooling gas, such as He, Ar and N.sub.2, between the plastic substrate and the cooling chucks. Thick adherent dielectric films up to about 5 .mu.m have been deposited on plastic substrates which include the above-referenced properties, and which enable the plastic substrates to withstand laser processing temperatures applied to materials deposited on the dielectric films.

Wickboldt, Paul (Walnut Creek, CA); Ellingboe, Albert R. (Fremont, CA); Theiss, Steven D. (Woodbury, MN); Smith, Patrick M. (San Ramon, CA)

2002-01-01T23:59:59.000Z

280

Mechanical Properties of Carbon Fiber-nanoclay Reinforced Plastics After Environmental Degradation.  

E-Print Network (OSTI)

??Carbon fiber reinforced plastics (CFRP) are becoming more common for structural parts. However, many researchers are still concerned about the performance of com-posites after environmentally (more)

Rogers, Phillip

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Coupled hydro-mechanical processes in crytalline rock and in induratedand plastic clays: A comparative discussion  

E-Print Network (OSTI)

Term HM Measurements around HADES URF, Proceedings of EUROCKThe extension of the HADES Underground Research facility atin a plastic clay formation: The HADES underground research

Tsang, Chin-Fu; Blumling, Peter; Bernier, Frederic

2008-01-01T23:59:59.000Z

282

On the role of inhibition in cortical plasticity: a computational study \\Lambda Lubica Benuskov'a  

E-Print Network (OSTI)

, experience, cortical plasticity, dynamic synaptic modification threshold, inhibition, non­specificity 1On the role of inhibition in cortical plasticity: a computational study \\Lambda Lubica BeŸnuŸskov'a Department of Computer Science and Engineering Slovak Technical University, 81219 Bratislava, Slovakia

Benuskova, Luba

283

Energy Conservation through Solar Energy Assisted Dryer for Plastic Processing Industry  

Science Journals Connector (OSTI)

Abstract Consumption of plastics is directly linked with economic growth of plastic industry of respective country. India's plastics consumption is only about 2% of the world. Despite of proposed growth, higher cost of Energy requirement for processing are obstructing growth of plasticulture. Energy efficiency/conservation measures in plastic processing requires attention to harness alternate energy sources through technological modifications during material processing. This paper depicts practical solution for partial usage of non- conventional energy source; solar energy in conventional plastic process method. About3-5% of total energy required for processing is utilized for drying and precondition of material. Thus attempt is made to use solar energy for drying of Nylon-6 and polypropylene (PP) by designing natural convection based Solar Dryer. Drying of Nylon-6 is found to be in the falling rate period. Nylon-6 took nearly 6hrs. (1days) to reach 0.15% moisture content value. Effective diffusivity is varied from 4 - 6.5 X 10-9cm2/sec. Temperature rise for PP material is achieved up to 70C in the dryer, hence preheating is achieved with same dryer design. Solar dryer can certainly reduce conventional energy consumption during plastic processing at industrial scale. Cost benefit analysis shows that adaptation of solar energy dryer for plastic process industry lead to economic production of plastic goods.

D.H. Kokate; D.M. Kale; V.S. Korpale; Y.H. Shinde; S.V. Panse; S.P. Deshmukh; A.B. Pandit

2014-01-01T23:59:59.000Z

284

Opportunities and Barriers in the Implementation of Energy Efficiency Measures in Plastic Manufacturing  

E-Print Network (OSTI)

The plastic industry in the U.S. employs approximately 9% [1] of the manufacturing work force and consumes approximately 6% [1] of the total energy used by the U.S. industries. According to the Department of Energy (DOE), manufacturers of plastic...

Kanunho, A; Yong, J. C.

2012-01-01T23:59:59.000Z

285

Plasticizer Contamination in Edible Vegetable Oil in a U.S. Retail Market  

Science Journals Connector (OSTI)

Plasticizer Contamination in Edible Vegetable Oil in a U.S. Retail Market ... The content of total plasticizers in oil samples was determined to be 2107558 ?g/kg, which was comparable to the content range in oil marketed in Italy. ... The electron impact energy was 70 eV. ...

Xiaolong Bi; Xiaojun Pan; Shoujun Yuan; Qiquan Wang

2013-09-09T23:59:59.000Z

286

Triple-picket warm plastic-shell implosions on OMEGA P. B. Radha,1  

E-Print Network (OSTI)

Triple-picket warm plastic-shell implosions on OMEGA P. B. Radha,1 C. Stoeckl,1 V. N. Goncharov,1 J-gas-filled plastic shells are imploded by direct irradiation from the OMEGA laser T. R. Boehly et al., Opt. Commun

287

Transport and release of chemicals from plastics to the environment and to wildlife  

Science Journals Connector (OSTI)

...preliminary results of a field experiment in which...days preen gland oil, which is secreted...plastics. As plastics production and usage continue...Also, the methane production is included (reproduced...Closed circles: cumulative load from fish...PCBs in preen gland oil of the chicks during...

2009-01-01T23:59:59.000Z

288

Heat StressMediated Plasticity in a Locust Looming-Sensitive Visual Interneuron  

E-Print Network (OSTI)

Heat Stress­Mediated Plasticity in a Locust Looming-Sensitive Visual Interneuron Tomas G. A. Money Money, Tomas G. A., Michael L. Anstey, and R. Meldrum Rob- ertson. Heat stress­mediated plasticity be mitigated by prior exposure to high, but sublethal temperatures (heat shock). Using the migratory locust

Robertson, Meldrum

289

Incineration of Residue from Paint Stripping Operations Using Plastic Media Blasting  

E-Print Network (OSTI)

i INCINERATION OF RESIDUE FROH PAINT STRIPPING OPERATIONS USING PLASTIC MEDIA BLASTING J. E. HELT N. MALLYA Group Leader Chemist Chemical Technology Division Chemical Technology Division Argonne National Laboratory Argonne National... Laboratory Argonne, Illinois Argonne, Illinois ABSTRACT A preliminary investigation has been performed on the environmental consequences of incinerating plastic-media-blasting (PHB) wastes from paint removal operations. PHB is similar to sandblasting...

Helt, J. E.; Mallya, N.

290

Distributed Generation Study/Harbec Plastics | Open Energy Information  

Open Energy Info (EERE)

< Distributed Generation Study < Distributed Generation Study Jump to: navigation, search Study Location Ontario, New York Site Description Industrial-Plastics Processing Study Type Long-term Monitoring Technology Microturbine Prime Mover Capstone C30 Heat Recovery Systems Built-in Fuel Natural Gas System Installer Northern Development System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 25 Stand-alone Capability None Power Rating 750 kW0.75 MW 750,000 W 750,000,000 mW 7.5e-4 GW 7.5e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 3750000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2005/10/06 Monitoring Termination Date 1969/12/31 Primary Power Application Based Load

291

COLLOQUIUM: Are Mushrooms the Next Polymers?: Growing Plastic Replacements  

NLE Websites -- All DOE Office Websites (Extended Search)

March 20, 2013, 4:15pm to 6:30pm March 20, 2013, 4:15pm to 6:30pm Colloquia MBG Auditorium COLLOQUIUM: Are Mushrooms the Next Polymers?: Growing Plastic Replacements with Fungi Mr. Gavin McIntyre Ecovative Design LLC Colloquium Committee: The Princeton Plasma Physics Laboratory 2013-2014 Colloquium Committee is comprised of the following people. Please feel free to contact them by e-mail regarding any possible speakers or topics for future colloquia. Carol Ann Austin caustin@pppl.gov John Greenwald, Chair jgreenwa@pppl.gov Charles H. Skinner cskinner@pppl.gov Daren Stotler dstotler@pppl.gov Carol Ann Austin 609-243-2484 Contact Information Coordinator(s): Ms. Carol Ann Austin caustin@pppl.gov Host(s): Ms. Kelsey Tresemer ktreseme@pppl.gov PPPL Entrance Procedures Visitor Information, Directions, Security at PPPL

292

Limits of isotropic plastic deformation of Bangkok clay  

E-Print Network (OSTI)

A model assuming incremental plastic isotropic response has been recently proposed to model the deformation of isotropic packing of grains, in the small-strain range. It is used here on over-consolidated remould clay, to interpret the small-strain range behaviour obtained in [1,2] on Bangkok clay. The data published in [1,2] at constant volume are also used here to measure the size of the domain of validity in the (q/(M'p), p/po) plane, where po is the over-consolidation isotropic pressure, p is the mean stress and q the deviatoric stress, q . So, it is shown that the model works also for clay. This enlarges the application domain of model [3,4] to soft clay with OCR larger than 1.2 to 1.5. Pacs # : 45.70.-n ; 62.20.Fe ; 83.80.Fg, 83.80.Hj

P. Evesque

2005-07-08T23:59:59.000Z

293

Plasticity of a colloidal polycrystal under cyclic shear  

E-Print Network (OSTI)

We use confocal microscopy and time-resolved light scattering to investigate plasticity in a col- loidal polycrystal, following the evolution of the network of grain boundaries as the sample is submitted to thousands of shear deformation cycles. The grain boundary motion is found to be ballistic, with a velocity distribution function exhibiting non-trivial power law tails. The shear- induced dynamics initially slow down, similarly to the aging of the spontaneous dynamics in glassy materials, but eventually reach a steady state. Surprisingly, the cross-over time between the ini- tial aging regime and the steady state decreases with increasing probed length scale, hinting at a hierarchical organization of the grain boundary dynamics.

Elisa Tamborini; Luca Cipelletti; Laurence Ramos

2014-08-27T23:59:59.000Z

294

On the Modeling of Plastic Deformation of Magnesium Alloys  

SciTech Connect

Magnesium alloys are promising materials due to their low density and therefore high specific strength. However, the industrial application is not well established so far, especially for wrought products such as sheets or profiles. Due to its hexagonal crystallographic structure, deformation mechanisms observed in magnesium alloys are rather different from those in face centered cubic metals such as aluminum alloys. This leads not only to a mechanical anisotropy, but also to a tension-compression asymmetry, i.e. unequal compressive and tensile yield strength. The resulting complexity in the yielding behavior of such materials cannot be captured by conventional models of J2 plasticity. Cazacu and Barlat, therefore, proposed a phenomenological yield potential which accounts for the respective phenomena by introducing the third invariant of the stress tensor. Simulations based on this model are performed with ABAQUS/Explicit and a user defined routine VUMAT for validating the respective implementation. The application aims at simulating the extrusion process of magnesium alloys.

Ertuerk, S.; Steglich, D.; Bohlen, J.; Letzig, D.; Brocks, W. [GKSS Research Center, Institute of Materials Research, Max-Plank-Str., D-21502 Geesthacht (Germany)

2007-05-17T23:59:59.000Z

295

Two stochastic mean-field polycrystal plasticity methods  

SciTech Connect

In this work, we develop two mean-field polycrystal plasticity models in which the L{sup c} are approximated stochastically. Through comprehensive CPFEM analyses of an idealized tantalum polycrystal, we verify that the L{sup c} tend to follow a normal distribution and surmise that this is due to the crystal interactions. We draw on these results to develop the STM and the stochastic no-constraints model (SNCM), which differ in the manner in which the crystal strain rates D{sup c} are prescribed. Calibration and validation of the models are performed using data from tantalum compression experiments. Both models predict the compression textures more accurately than the FCM, and the SNCM predicts them more accurately than the STM. The STM is extremely computationally efficient, only slightly more expensive than the FCM, while the SNCM is three times more computationally expensive than the STM.

Tonks, Michael [Los Alamos National Laboratory

2008-01-01T23:59:59.000Z

296

Richtmyer-Meshkov instability in elastic-plastic media  

Science Journals Connector (OSTI)

An analytical model for the linear Richtmyer-Meshkov instability in solids under conditions of high-energy density is presented, in order to describe the evolution of small perturbations at the solid-vacuum interface. The model shows that plasticity determines the maximum perturbation amplitude and provides simple scaling laws for it as well as for the time when it is reached. After the maximum amplitude is reached, the interface remains oscillating with a period that is determined by the elastic shear modulus. Extensive two-dimensional simulations are presented that show excellent agreement with the analytical model. The results suggest the possibility to experimentally evaluate the yield strength of solids under dynamic conditions by using a Richtmyer-Meshkov-instability-based technique.

A. R. Piriz, J. J. Lpez Cela, N. A. Tahir, and D. H. H. Hoffmann

2008-11-05T23:59:59.000Z

297

Effect of oleic acid plasticizer on chitosanlithium acetate solid polymer electrolytes  

Science Journals Connector (OSTI)

Plasticized polymer electrolytes composed of chitosan as the host polymer, oleic acid (OA) as the plasticizer and lithium acetate (LiOAc) as the doping salt were prepared by the solution cast technique. These complexes with different amounts of salts and plasticizers were investigated as possible ionic conducting polymers. The highest ionic conductivity of the plasticized chitosanLiOAc was ?10?5 Scm?1 for the film containing 40.0 wt.% LiOAc and 10.0 wt.% of OA. Conductivity for the plasticized LiOAc-doped chitosan polymer was also studied as a function of temperature between 300 and 363 K. The plot of ln(?T) versus 103/T for each sample obeys Arrhenius rule indicating the conductivity to be thermally assisted. XRD and FTIR spectroscopy techniques have been used for the structural studies.

M.Z.A. Yahya; A.K. Arof

2003-01-01T23:59:59.000Z

298

Coal plasticity at high heating rates and temperatures. Final technical progress report  

SciTech Connect

Plastic coals are important feedstocks in coke manufacture, coal liquefaction, gasification, and combustion. During these processes, the thermoplastic behavior of these coals is also important since it may contribute to desirable or undesirable characteristics. For example, during liquefaction, the plastic behavior is desired since it leads to liquid-liquid reactions which are faster than solid-liquid reactions. During gasification, the elastic behavior is undesired since it leads to caking and agglomeration of coal particles which result in bed bogging in fixed or fluidized bed gasifiers. The plastic behavior of different coals was studied using a fast-response plastometer. A modified plastometer was used to measure the torque required to turn at constant angular speed a cone-shaped disk embedded in a thin layer of coal. The coal particles were packed between two metal plates which are heated electrically. Heating rates, final temperatures, pressures, and durations of experiment ranged from 200--800 K/s, 700--1300 K, vacuum-50 atm helium, and 0--40 s, respectively. The apparent viscosity of the molten coal was calculated from the measured torque using the governing equation of the cone-and-plate viscometer. Using a concentrated suspension model, the molten coal`s apparent viscosity was related to the quantity of the liquid metaplast present during pyrolysis. Seven coals from Argonne National Laboratory Premium Coal Sample Bank were studied. Five bituminous coals, from high-volatile to low-volatile bituminous, were found to have very good plastic behavior. Coal type strongly affects the magnitude and duration of plasticity. Hvb coals were most plastic. Mvb and lvb coals, though the maximum plasticity and plastic period were less. Low rank coals such as subbituminous and lignite did not exhibit any plasticity in the present studies. Coal plasticity is moderately well correlated with simple indices of coal type such as the elemental C,O, and H contents.

Gerjarusak, S.; Peters, W.A.; Howard, J.B.

1995-05-01T23:59:59.000Z

299

The presence of perforated synapses in the striatum after dopamine depletion, is this a sign of maladaptive brain plasticity?  

Science Journals Connector (OSTI)

......depletion, is this a sign of maladaptive brain plasticity? Veronica Anaya-Martinez...number of perforated synapses, suggesting brain plasticity that might be deleterious for...both during development and in the mature brain, is thus based upon the strengthening......

Vernica Anaya-Martnez; Ana Luisa Gutierrez-Valdez; Jose Luis Ordoez-Librado; Enrique Montiel-Flores; Javier Snchez-Betancourt; Csar Snchez Vzquez del Mercado; Leonardo Reynoso-Erazo; Roco Tron-Alvarez; Maria Rosa Avila-Costa

2014-12-01T23:59:59.000Z

300

The need to design and construct roadways on highly plastic clays is common in central and eastern Texas, where expansive clays are prevalent. Roadways constructed on highly plastic clay subgrades may be damaged  

E-Print Network (OSTI)

The need to design and construct roadways on highly plastic clays is common in central and eastern Texas, where expansive clays are prevalent. Roadways constructed on highly plastic clay subgrades may the infiltration of water into highly plastic clays under an increased gravity field in a centrifuge. Project

Zornberg, Jorge G.

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

NUCLEARENGINEERINGAND DESIGN17 (1971) 64.-75. NORTH-HOLLANDPUBLISHINGCOMPANY PROGRESS IN THREE-DIMENSIONAL ELASTIC-PLASTIC STRESS  

E-Print Network (OSTI)

-DIMENSIONAL ELASTIC-PLASTIC STRESS ANALYSIS FOR FRACTURE MECHANICS * N. LEVY, P.V. MARCAL and J.R. RICE Division summarizesprogressin the development of finite element methods for three-dimensionalelastic- plastic stressanalysisin methods for three-dimensional elastic-plastic stress analysis in fracture mechanics, as a part

302

Plastic deformation of bunsenite (NiO) at temperatures below 1 050 C F. Guiberteau (*), A. Donminguez-Rodriguez  

E-Print Network (OSTI)

87 Plastic deformation of bunsenite (NiO) at temperatures below 1 050 °C F. Guiberteau (*), A much smaller than the one previously published [3, 5]. The plastic anisotropy is compared to other processes of deformation of materials. In the past, we have studied the plasticity of nickel oxide at high

Boyer, Edmond

303

PLASTIC FLOW AND STRUCTURAL MORPHOLOGY OF TWO PHASE MATERIALS BRETHEAU T., CALDEMAISON D., FEYLESSOUFI A., ZAOUI A.  

E-Print Network (OSTI)

698 PLASTIC FLOW AND STRUCTURAL MORPHOLOGY OF TWO PHASE MATERIALS BRETHEAU T., CALDEMAISON D. 23 (1988) 698 AVRIL 1988,1 Up to now, the microheterogeneous material plastic modelling developped is the phase volume fraction which leads, at best, to upper and lower bounds for the overall plastic behaviour

Paris-Sud XI, Université de

304

Plastic behavior of face-centered-cubic metals over a wide range Nguyen Q. Chinh a,*, Tamas Csanadi a  

E-Print Network (OSTI)

Plastic behavior of face-centered-cubic metals over a wide range of strain Nguyen Q. Chinh a Available online 16 June 2010 Abstract The plastic behavior of four pure face-centered-cubic (fcc) metals plastic deformation. It is shown that at high strains the saturation flow stress and the total dislocation

Gubicza, Jenõ

305

FRACTALS IN THERMO-ELASTO-PLASTIC MATERIALS (to appear in JoMMS J. Mech. Mater. Struct.)  

E-Print Network (OSTI)

FRACTALS IN THERMO-ELASTO-PLASTIC MATERIALS (to appear in JoMMS ­ J. Mech. Mater. Struct.) J. LI AND M. OSTOJA-STARZEWSKI Fractal patterns are observed in computer simulations of elastic-plastic transitions in linear, locally isotropic thermoelastic-hardening plastic heterogeneous materials. The models

Ostoja-Starzewski, Martin

306

Report No. PA 14 of 2008 Compliance to rules governing municipal solid, bio-medical and plastic  

E-Print Network (OSTI)

-medical and plastic waste Objective 5: Whether effective compliance to rules/laws regulating municipal solid waste, bio-medical waste and plastic waste was taking place in the state. The United Nations Conference of 2008 54 · The Recycled Plastics Manufacture and Usage Rules were notified in 1999 with an amendment

Columbia University

307

Plastic flow of frictionless grains near the jamming transition Claus Heussinger Pinaki Chaudhuri Jean-Louis Barrat  

E-Print Network (OSTI)

Plastic flow of frictionless grains near the jamming transition Claus Heussinger Pinaki Chaudhuri. This flow behavior is called "plastic flow" as the mate- rial will not revert to its original shape when strain localization in the simulations that are presented here. Plastic flow is observed in a large

Paris-Sud XI, Université de

308

Plastic behavior of fcc metals over a wide range of strain: Macroscopic and microscopic descriptions and their relationship  

E-Print Network (OSTI)

Plastic behavior of fcc metals over a wide range of strain: Macroscopic and microscopic The room temperature macroscopic and microscopic plastic behavior of four face-centered cubic metals (Al dislocations during plastic flow. It is shown that forest dislocations develop primarily due to interaction

Gubicza, Jenõ

309

A Research Needs Assessment for waste plastics recycling: Volume 1, Executive summary. Final report  

SciTech Connect

This first volume provides a summary of the entire project. The study utilized the talents of a large number of participants, including a significant number of peer reviewers from industrial companies, government agencies, and research institutes. in addition, an extensive analysis of relevant literature was carried out. In considering the attractiveness of recycling technologies that are alternatives to waste-to-energy combustion units, a systems approach was utilized. Collection of waste streams containing plastics, sortation, and reclamation of plastics and plastic mixtures, reprocessing or chemical conversion of the reclaimed polymers, and the applicability of the products to specific market segments have been analyzed in the study.

NONE

1994-12-01T23:59:59.000Z

310

Sequential pyrolysis of plastic to recover polystyrene HCL and terephthalic acid  

DOE Patents (OSTI)

A process of pyrolyzing plastic waste feed streams containing polyvinyl chloride, polyethylene terephthalate, polystyrene and polyethylene to recover polystyrene HCl and terephthalic acid comprising: heating the plastic waste feed stream to a first temperature; adding an acid or base catalyst on an oxide or carbonate support; heating the plastic waste feed stream to pyrolyze polyethylene terephthalate and polyvinyl chloride; separating terephthalic acid or HCl; heating to a second temperature to pyrolyze polystyrene; separating styrene; heating the waste feed stream to a third temperature to pyrolyze polyethylene; and separating hydrocarbons.

Evans, Robert J. (Lakewood, CO); Chum, Helena L. (Arvada, CO)

1995-01-01T23:59:59.000Z

311

Profile of the rubber and plastics industry. EPA Office of Compliance sector notebook project  

SciTech Connect

The rubber and miscellaneous plastics products industry, as defined by the Standard Industrial Classification (SIC) code 30, includes establishments that manufacture products from plastic resins, natural and synthetic rubber, reclaimed rubber, futta percha, balata, and gutta siak. The second section provides background information on the size, geographic distribution, employment, production, sales, and economic condition of the Rubber and Plastics Products industry. The type of facilities described within the document are also described in terms of their Standard Industrial Classification (SIC) codes. Additionally, this section contains a list of the largest companies in terms of sales.

NONE

1995-09-01T23:59:59.000Z

312

Structural-chemical modeling of transition of coals to the plastic state  

SciTech Connect

The structural-chemical simulation of the formation of plastic state during the thermal treatment (pyrolysis, coking) of coals is based on allowance for intermolecular interactions in the organic matter. The feasibility of transition of coals to the plastic state is determined by the ratio between the onset plastic state (softening) and runaway degradation temperatures, values that depend on the petrographic composition and the degree of metamorphism of coals and the distribution of structural and chemical characteristics of organic matter. 33 refs., 8 figs., 2 tabs.

A.M. Gyul'maliev; S.G. Gagarin [FGUP Institute for Fossil Fuels, Moscow (Russian Federation)

2007-02-15T23:59:59.000Z

313

Shear bands in a bulk metallic glass after large plastic deformation  

SciTech Connect

A transmission electron microscopy investigation is conducted to trace shear bands in a Zr{sub 53}Cu{sub 18.7}Ni{sub 12}Al{sub 16.3} bulk metallic glass after experiencing 4% plastic deformation. Shear band initiation, secondary shear band interactions, mature shear band broadening and the interactions of shear bands with shear-induced nanocrystals are captured. Results suggest that the plasticity of the bulk metallic glass is enhanced by complex shear bands and their interactions which accommodate large plastic strain and prevent catastrophic shear band propagation.

Qu, D.D.; Wang, Y.B.; Liao, X.Z.; Shen, J. (Harbin); (Sydney)

2012-10-23T23:59:59.000Z

314

Beryllium-7 Implantation in Plastics for Prosthesis Wear Studies | U.S. DOE  

Office of Science (SC) Website

Beryllium-7 Implantation in Plastics Beryllium-7 Implantation in Plastics for Prosthesis Wear Studies Nuclear Physics (NP) NP Home About Research Facilities Science Highlights Benefits of NP Spinoff Applications Spinoff Archives SBIR/STTR Applications of Nuclear Science and Technology Funding Opportunities Nuclear Science Advisory Committee (NSAC) News & Resources Contact Information Nuclear Physics U.S. Department of Energy SC-26/Germantown Building 1000 Independence Ave., SW Washington, DC 20585 P: (301) 903-3613 F: (301) 903-3833 E: sc.np@science.doe.gov More Information » Spinoff Archives Beryllium-7 Implantation in Plastics for Prosthesis Wear Studies Print Text Size: A A A RSS Feeds FeedbackShare Page Application/instrumentation: 7Be Implantation in Plastics for Prosthesis Wear Studies Developed at: Oak Ridge National Laboratory, Holifield Radioactive Ion Beam Facility (HRIBF)

315

STATEMENT OF CONSIDERATIONS REQUEST BY SABIC INNOVATIVE PLASTICS FOR WAIVER OF U.S.  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

SABIC INNOVATIVE PLASTICS FOR WAIVER OF U.S. SABIC INNOVATIVE PLASTICS FOR WAIVER OF U.S. AND FOREIGN RIGHTS IN AN IDENTIFIED INVENTION, DOE DOCKET NO . S-109,544 MADE UNDER DOE AWARD NO. DE-FC36-03G013000, SUBCONTRACT 60105 WITH GENERAL ELECTRIC. W(l)-08-009; CH- 1453 S-109 ,544 "SYNTHESIS OF POL Y(BUTYLENE-CO-ISOSORBIDE TEREPHTHALA TE) AND ITS PROPERTIES" The Petitioner, SABIC Innovative Plastics IP B.V. ("SABIC"), has requested a waiver of domestic and foreign patent rights in the subject invention entitled "SYNTHESIS OF POL Y(BUTYLENE-CO-ISOSORBIDE TEREPHTHALA TE) AND ITS PROPERTIES." The invention relates to copolymers made from biological materials. The invention was made under the above identified subcontract with General Electric Plastics (GE). GE was subsequently purchased by SABIC

316

Assessing the Suitability of Recycled Plastics Used as Agricultural Soil Covers:? Migration Study and Experimental Harvest  

Science Journals Connector (OSTI)

The present work is focused on evaluating the suitability of recycling postconsumer agricultural plastic films again for the same use. The criteria to assess the suitability was based on migration study. Both overall and specific migration tests were ...

C. Nern; R. Batlle

1998-12-05T23:59:59.000Z

317

On Coating Durability of Polymer Coated Sheet Metal under Plastic Deformation  

E-Print Network (OSTI)

process. Thus, the effect of plastic deformation on coating adhesion is of primary interest to many engineers and researchers. This research aims at developing a methodology to predict the adhesion of coating after metal forming processes. A pull...

Huang, Yu-Hsuan

2011-08-08T23:59:59.000Z

318

Measured Savings of DC to AC Drive Retrofit in Plastic Extrusion  

E-Print Network (OSTI)

This paper presents the potential electrical energy efficiency improvements for utilizing alternating current (AC) motors controlled by variable frequency drives (VFD) in place of direct current (DC) motors to drive plastic extrusion machines. A...

Sfeir, R. A.

2008-01-01T23:59:59.000Z

319

Combustion Products of Plastics as Indicators for Refuse Burning in the Atmosphere  

Science Journals Connector (OSTI)

Major compounds in smoke from burning plastics include the non-source-specific n-alkanes (mainly even predominance), terephthalic acid, phthalates, and 4-hydroxybenzoic acid, with minor amounts of polycyclic aromatic hydrocarbons (including triphenylbenzenes) and tris(2,4-di-tert-butylphenyl)phosphate. 1,3,5-Triphenylbenzene and tris(2,4-di-tert-butylphenyl)phosphate were found in detectable amounts in atmospheric samples where plastics and refuse were burned in open fires, and thus we propose these two compounds as specific tracers for the open-burning of plastics. ... Bioplastics from Waste Materials and Low-Value Byproducts ... Application of Electrostatic Separation to the Recycling of Plastic Wastes: Separation of PVC, PET, and ABS ...

Bernd R. T. Simoneit; Patricia M. Medeiros; Borys M. Didyk

2005-08-06T23:59:59.000Z

320

In vivo visualization of CaMKII activity in ocular dominance plasticity  

E-Print Network (OSTI)

Alterations in sensory experience can persistently modify the responses of cortical neurons. Ocular dominance (OD) plasticity, a process in which alternation of visual input induces a shift in cortical responsiveness, is ...

Kwok, Show Ming

2009-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

Endochronic theory, non-linear kinematic hardening rule and generalized plasticity: a  

E-Print Network (OSTI)

of Armstrong and Frederick (1966), in its original form as well as in the modified versions recently proposed important step for its formulation was the idea, suggested by Eisenberg and Phillips (1971), of a plasticity

Paris-Sud XI, Université de

322

Timing in the Absence of Supraspinal Input: Effects of Temporally Regular Stimulation on Spinal Plasticity  

E-Print Network (OSTI)

Prior work has shown that spinal neurons are capable of discriminating between temporally regular and temporally irregular stimulation. These effects have been observed using an in vivo assay of spinal plasticity based on an instrumental learning...

Lee, Kuan Hsien

2013-08-08T23:59:59.000Z

323

Phenotypic plasticity in juvenile jellyfish medusae facilitates effective animalfluid interaction  

Science Journals Connector (OSTI)

...switching to tissue-dominated propulsion at higher temperatures where...visualization and assays of propulsion efficiency. phenotypic plasticity|propulsion|fluid dynamics|ontogeny...and feeding performance of marine animals depends on the interaction...

2010-01-01T23:59:59.000Z

324

An investigation of bulk nanocrystalline copper fabricated via severe plastic deformation and nanoparticle consolidation  

E-Print Network (OSTI)

obtained respectively by a top down approach of severe plastic deformation of wrought copper and a bottom up approach of consolidation of copper nanoparticles using equal channel angular extrusion (ECAE). A critical assessment and correlation...

Haouaoui, Mohammed

2007-04-25T23:59:59.000Z

325

Investigating Mechanical Performance and Water Absorption Behavior of Organo-nanoclay Modified Biofiber Plastic Composites.  

E-Print Network (OSTI)

??Hydrophobic Surface modification of biofibers to reduce water/moisture absorption of the biofiber or biofiber-plastic composites has attracted many researchers. In order to reduce the moisture (more)

Chen, Jieming

2013-01-01T23:59:59.000Z

326

Vijendravarma et al. 1 Plastic and evolutionary responses of cell size and number to larval  

E-Print Network (OSTI)

and evolutionary reduction of wing size in response to poor larval food. We used flies from six populations, nutritional stress, plasticity, imaginal disks, wing Introduction Body size influences multiple aspects

Alvarez, Nadir

327

Synthesis of super plasticizer NF-30 from coal coking by product washing oil and performance analysis  

Science Journals Connector (OSTI)

Super plasticizer was synthesized by using coal coking by product washing oil and industrial naphthalene....2 in exhaust (20%). Compared with NF, NF-30 have some advantages in lower cost, high water reducing rate...

Zifang Xu ???; Mingxu Zhang; Wenpei Hu

2013-10-01T23:59:59.000Z

328

(The Elephant's Toothpaste Experiment) A clean 16 ounce plastic soda bottle  

E-Print Network (OSTI)

(The Elephant's Toothpaste Experiment) A clean 16 ounce plastic soda bottle 1/2 cup 20-volume is sometimes called "Elephant's Toothpaste" because it looks like toothpaste coming out of a tube, but don

Benitez-Nelson, Claudia

329

Harbec Plastics: 750kW CHP Application - Project Profile | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Application - Project Profile This case study profiles Harbec Plastics' 750kW combined heat and power (CHP) project in Ontario, New York to improve plant-wide energy...

330

Muon-spin-rotation study of muon polarization losses in plastic scintillators and quartz  

Science Journals Connector (OSTI)

Muon polarization losses in plastic scintillators of two ... been studied by the ?SR method. The muon and muonium spin precession spectra have been ... SR setup placed at the output of the muon channel of the Gat...

S. I. Vorobev; A. L. Getalov; E. N. Komarov; S. A. Kotov; I. I. Pavlova

2013-08-01T23:59:59.000Z

331

Components of plastic: experimental studies in animals and relevance for human health  

Science Journals Connector (OSTI)

...Plastics, the environment and human health' compiled by R. C. Thompson, C. J...studies in animals and relevance for human health Chris E. Talsness 1 * Anderson J. M...Toxicology, National School of Public Health, Oswaldo Cruz Foundation (FIOCRUZ...

2009-01-01T23:59:59.000Z

332

Compendium of information on identification and testing of materials for plastic solar thermal collectors  

SciTech Connect

This report is intended to organize and summarize prior and current literature concerning the weathering, aging, durability, degradation, and testing methodologies as applied to materials for plastic solar thermal collectors. Topics covered include (1) rate of aging of polymeric materials; (2) environmental factors affecting performance; (3) evaluation and prediction of service life; (4) measurement of physical and chemical properties; (5) discussion of evaluation techniques and specific instrumentation; (6) degradation reactions and mechanisms; (7) weathering of specific polymeric materials; and (8) exposure testing methodology. Major emphasis has been placed on defining the current state of the art in plastics degradation and on identifying information that can be utilized in applying appropriate and effective aging tests for use in projecting service life of plastic solar thermal collectors. This information will also be of value where polymeric components are utilized in the construction of conventional solar collectors or any application where plastic degradation and weathering are prime factors in material selection.

McGinniss, V.D.; Sliemers, F.A.; Landstrom, D.K.; Talbert, S.G.

1980-07-31T23:59:59.000Z

333

A coupled theory for diffusion of hydrogen and large elastic-plastic deformations of metals  

E-Print Network (OSTI)

A thermodynamically-consistent coupled-theory which accounts for diffusion of hydrogen, trapping of hydrogen, diffusion of heat, and large elastic-plastic deformations of metals is developed. Our theoretical framework ...

Di Leo, Claudio V

2012-01-01T23:59:59.000Z

334

DEVELOPMENT OF FUEL AND VALUE-ADDED CHEMICALS FROM PYROLYSIS OF WOOD/WASTE PLASTIC MIXTURE.  

E-Print Network (OSTI)

??Highly oxygenated compounds in bio-oil produce negative properties that have hampered fuel development. Copyrolysis with plastics has increased hydrogen content in past research. Py-GC/MS analyses (more)

Bhattacharya, Priyanka

2008-01-01T23:59:59.000Z

335

Austenite in Transformation-Induced Plasticity Steel Subjected to Multiple Isothermal Heat Treatments  

E-Print Network (OSTI)

of plastic instabilities during the course of deformation. In such circumstances, it is useful to conduct isothermal transformation at a high temperature where the rate of reaction is relatively rapid, followed by a lower temperature step that permits more...

Duong, Van Tuan; Song, You Young; Park, Kyong-Su; Bhadeshia, H. K. D. H.; Suh, Dong-Woo

2014-06-18T23:59:59.000Z

336

Temperature-size rule is mediated by thermal plasticity of critical size in Drosophila melanogaster  

Science Journals Connector (OSTI)

...at higher temperatures, supporting...that oxygen supply may play a...different temperatures and control thermal plasticity...Nijhout. 2011 Control of body size by oxygen supply reveals size-dependent...of rearing temperature and oxygen...

2013-01-01T23:59:59.000Z

337

An evaluation of four hardening rules of the incremental theory of plasticity  

E-Print Network (OSTI)

obtainable for almost any engineering material, this test will be employed throughout this text. In addition to prescribing the strain-hardening of the material, the hardening rule must also provide for the modification of the yield surface during plastic... OF SCIENCE December 1973 Major Subject: Aerospace Engineering AN EVALUATION OP POUR HARDENING RULES OF THE INCR MENTAL THEORY OF PLASTICITY A Thesis BARRY HUNSAKKR, JR. Approved as to style and content by: qChalrman of Cosraittee) (Head of Depar en...

Hunsaker, Barry

2012-06-07T23:59:59.000Z

338

Deformation behavior in bulk nanocrystalline-ultrafine aluminum :in situ evidence of plastic strain recovery.  

SciTech Connect

The plastic deformation behavior of bulk nanocrystalline-ultrafine Al was investigated under in situ compressive loading using high-energy synchrotron X-ray diffraction. After one loading-unloading cycle, to 2% strain, we find reversible peak broadening within the nanocrystalline grain volume and tensile residual stress (80 MPa) within the ultrafine grain volume. Upon unloading, we detect recovery of 12% of the plastic strain, and this recovery increases up to 28% at even higher applied deformations to 4%.

Lonardelli, I.; Almer, J.; Ischia, G; Menapace, C.; Molinari, A.; Univ. of Trento

2009-04-01T23:59:59.000Z

339

Modeling the elastic and plastic response of single crystals and polycrystalline aggregates  

E-Print Network (OSTI)

MODELING THE ELASTIC AND PLASTIC RESPONSE OF SINGLE CRYSTALS AND POLYCRYSTALLINE AGGREGATES A Thesis by PARAG VILAS PATWARDHAN Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE December 2003 Major Subject: Mechanical Engineering MODELING THE ELASTIC AND PLASTIC RESPONSE OF SINGLE CRYSTALS AND POLYCRYSTALLINE AGGREGATES A Thesis by PARAG VILAS...

Patwardhan, Parag Vilas

2005-02-17T23:59:59.000Z

340

A simple technique for gamma ray and cosmic ray spectroscopy using plastic scintillator  

E-Print Network (OSTI)

A new and simple technique has been developed using plastic scintillator detectors for gamma ray and cosmic ray spectroscopy without single channel analyzer (SCA) or multichannel analyzer (MCA). In these experiments only a leading edge discriminator (LED) and NIM scalers have been used. Energy calibration of gamma spectra in plastic scintillators has been done using Co$^{60}$ and Cs$^{137}$ sources. The details experimental technique, analysis procedure and experimental results has been presented in this article.

Akhilesh P. Nandan; Sharmili Rudra; Himangshu Neog; S. Biswas; S. Mahapatra; B. Mohanty; P. K. Samal

2014-12-30T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Thin film transistors on plastic substrates with reflective coatings for radiation protection  

DOE Patents (OSTI)

Fabrication of silicon thin film transistors (TFT) on low-temperature plastic substrates using a reflective coating so that inexpensive plastic substrates may be used in place of standard glass, quartz, and silicon wafer-based substrates. The TFT can be used in large area low cost electronics, such as flat panel displays and portable electronics such as video cameras, personal digital assistants, and cell phones.

Wolfe, Jesse D. (Fairfield, CA); Theiss, Steven D. (Woodbury, MN); Carey, Paul G. (Mountain View, CA); Smith, Patrick M. (San Ramon, CA); Wickbold, Paul (Walnut Creek, CA)

2006-09-26T23:59:59.000Z

342

Mechanical Stability of Pixel-Isolated Liquid Crystal Mode with Plastic Substrates  

Science Journals Connector (OSTI)

We have fabricated a plastic liquid crystal display using the pixel-isolated liquid crystal (PILC) mode and characterized the mechanical stability of the sample against mechanical pressure and bending. Since the liquid crystal molecules are fully isolated in the pixels by the phase-separated polymer walls in the PILC mode, the electrooptic properties of the sample show good mechanical stability. In addition, a polymer layer formed on the upper substrate enhances the adhesion between two plastic substrates.

Jong-Wook Jung; Min Young Jin; Hak-Rin Kim; You-Jin Lee; Jae-Hoon Kim

2005-01-01T23:59:59.000Z

343

The effect of stratigraphy and soil plasticity on the settlement characteristics of reclaimed surface mined land  

E-Print Network (OSTI)

THE EFFECT OF STRATIGRAPHY AND SOIL PLASTICITY ON THE SETTLEMENT CHARACTERISTICS OF FECLAIMED SURFACE MINED I~D A Thesis GORGE ENRIQUE RANGEL Submitted to the Graduate College of Texas ASM University in partial fulfillment of the regni ement... for the degree of MASTER OF SCIENCE December 1979 Major Subject: Geology THE EFFECT OF STRATIGRAPHY AND SOIL PLASTICITY ON &HA SETTLEMENT CHARACTERISTICS OF RECLAIMED SURFACE MINED LAI'1D Thesis by JORGE ENRIQDE RANGEL Approved as to style ana content...

Rangel, Jorge Enrique

1979-01-01T23:59:59.000Z

344

Effect of Plasticization of Epoxy Networks by Organic Modifier on Exfoliation of Nanoclay  

Science Journals Connector (OSTI)

Effect of Plasticization of Epoxy Networks by Organic Modifier on Exfoliation of Nanoclay ... Plasticization of cross-linked epoxy networks by hydrocarbon chains of quaternary ammonium ions and its effect on exfoliation behavior of nanoclay particles in mixtures of aromatic and aliphatic epoxies were investigated. ... In an aromatic epoxy?nanoclay system, values of G/?* in the range 2?4 1/s produced exfoliation, while those less than 1 1/s produced intercalated structures. ...

Jonghyun Park; Sadhan C. Jana

2003-10-09T23:59:59.000Z

345

Sustainable Conversion of Mixed Plastics into Porous Carbon Nanosheets with High Performances in Uptake of Carbon Dioxide and Storage of Hydrogen  

Science Journals Connector (OSTI)

Mechanical recycling of waste plastics is limited by the low quality of the recycled plastic mixture. ... More importantly, from the sustainable view, converting mixed plastics into CNS not only shows advantages with cheap and abundant sources, and environmentally friendly and cost-effective methods, but also provides a novel sustainable approach to recycle waste plastics and relieves the ever-increasing serious energy crisis. ...

Jiang Gong; Beata Michalkiewicz; Xuecheng Chen; Ewa Mijowska; Jie Liu; Zhiwei Jiang; Xin Wen; Tao Tang

2014-10-20T23:59:59.000Z

346

The Use of Commingled Plastic Lumber as Construction Materials Thomas J. Nosker, Ph.D., Richard W. Renfree, Ph.D.  

E-Print Network (OSTI)

The Use of Commingled Plastic Lumber as Construction Materials Thomas J. Nosker, Ph.D., Richard W at avoiding land filling post-industrial and post-consumer plastics. This has resulted in creating a supply of impure plastics at much reduced prices with respect to virgin plastics. The possibility exists to clean

347

Engineering Fracture MecMnics, 1971,Vol. 3, pp. 435-451. Pergamon Press. Printed inGreat Britain PLASTIC INTENSITY FACTORS FOR  

E-Print Network (OSTI)

PLASTIC INTENSITY FACTORS FOR CRACKED PLATESt PETER D. HILTON and JOHN W. HUTCHINSON Harvard University, Cambridge, Mass. 02138, U.S.A. Abstract-An elastic-plastic analysis is performed for two problems relevant. Amplitudes of the dominant singularity in the plastic region at the crack tip, the plastic stress and strain

Hutchinson, John W.

348

Plastic ball and streamer chamber experiments at the Bevalac  

SciTech Connect

Single particle inclusive experiments, and experiments that additionally measure a few correlations like the associated multiplicity, have provided the main contribution to our present understanding of high energy heavy ion collisions. The results from those experiments are in overall agreement with calculations of the cascade and hydrodynamical models. In the cascade model the collision of two nuclei is simulated as a cascade of nucleon-nucleon collisions using measured N-N cross sections. The hydrodynamical model, on the other hand, describes the nuclear collision as that of two fluids and makes use of a nuclear equation of state relating thermal and compressional energy densities to pressure. The pressure field dominates the expansion phase and leads to collective flow of the reaction products in a preferred direction. The observation of such effects in inclusive experiments is not well established. Collective effects that manifest themselves in the shape of the event in phase space are expected to be seen best in the new complete event detectors that measure the final state as exclusively as presently possible by measuring most of the charged particles emitted in the reaction. In addition, those detectors are well suited to test macroscopic concepts such as equilibrium and temperature. Global methods like the sphericity or thrust analysis take into account all the correlations measured in the event and are specially designed to determine the shape of an event in phase space and thus to define a reaction plane. Recent data from the Plastic Ball and the streamer chamber experiments, the first complete event detectors in use at the Bevalac, are presented in this report.

Ritter, H.G.

1982-07-01T23:59:59.000Z

349

Gravitation as a Plastic Distortion of the Lorentz Vacuum  

E-Print Network (OSTI)

In this paper we present a theory of the gravitational field where this field (a kind of square root of g) is represented by a (1,1)-extensor field h describing a plastic distortion of the Lorentz vacuum (a real substance that lives in a Minkowski spacetime) due to the presence of matter. The field h distorts the Minkowski metric extensor in an appropriate way (see below) generating what may be interpreted as an effective Lorentzian metric extensor g and also it permits the introduction of different kinds of parallelism rules on the world manifold, which may be interpreted as distortions of the parallelism structure of Minkowski spacetime and which may have non null curvature and/or torsion and/or nonmetricity tensors. We thus have different possible effective geometries which may be associated to the gravitational field and thus its description by a Lorentzian geometry is only a possibility, not an imposition from Nature. Moreover, we developed with enough details the theory of multiform functions and multiform functionals that permitted us to successfully write a Lagrangian for h and to obtain its equations of motion, that results equivalent to Einstein field equations of General Relativity (for all those solutions where the manifold M is diffeomorphic to R^4. However, in our theory, differently from the case of General Relativity, trustful energy-momentum and angular momentum conservation laws exist. We express also the results of our theory in terms of the gravitational potential 1-form fields (living in Minkowski spacetime) in order to have results which may be easily expressed with the theory of differential forms. The Hamiltonian formalism for our theory (formulated in terms of the potentials) is also discussed. The paper contains also several important Appendices that complete the material in the main text.

Virginia V. Fernandez; Waldyr A. Rodrigues Jr

2014-08-14T23:59:59.000Z

350

Mechanical and morphological characterization of novel vinyl plastisols with epoxidized linseed oil as natural-based plasticizer  

SciTech Connect

Poly(vinyl chloride)(PVC) is one of the most commonly used plastics in the current market due to its low cost and versatility in processing, combined with its satisfactory physical and chemical properties. However, there is an important problem associated to the use of plasticized PVC. This problem is regarding to the toxicity of the most common plasticized used like DOP, DEHP, DINP, due to its possible migration. This problem limits the use of the plasticized PVC in the industry. In this work we have used epoxidized linseed oil (ELO) as a non toxic plasticizer for PVC. This type of natural oil is characterized by acting as both plasticizer and stabilizer of PVC. With this purpose, ELO have been added to PVC. The processing conditions (temperature and time of curing) are vital to determine the final properties of the material. A study of the processing conditions shows the adequate temperature and time to achieve the optimum properties.

Fenollar, O.; Balart, R.; Sanchez-Nacher, L.; Garcia-Sanoguera, D.; Boronat, T. [Institute of Materials Technology (ITM), Polytechnic University of Valencia (UPV), Plaza Ferrandiz y Carbonell s/n, 03801, Alcoy, Alicante (Spain)

2010-06-02T23:59:59.000Z

351

Comparison of Lithium Gadolinium Borate Crystal Shards in Scintillating and Nonscintillating Plastic Matrices  

E-Print Network (OSTI)

We present a method for detecting neutrons using scintillating lithium gadolinium borate crystal shards in a plastic matrix while maintaining high gamma rejection. We have procured two cylindrical detectors, 5"\\times5", containing 1% crystal by mass. Crystal shards have a typical dimension of 1 mm. One detector was made with scintillating plastic, and one with nonscintillating plastic. Pulse shape analysis was used to reject gamma ray backgrounds. The scintillating detector was measured to have an intrinsic fast fission neutron efficiency of 0.4% and a gamma sensitivity of less than 2.3 \\times 10-9, while the nonscintillating detector had a neutron efficiency of 0.7% and gamma sensitivity of (4.75\\pm3.94)\\times10-9. We determine that increasing the neutron detection efficiency by a factor of 2 will make the detector competitive with moderated 3He tubes, and we discuss several simple and straightforward methods for obtaining or surpassing such an improvement. We end with a discussion of possible applications, both for the scintillating-plastic and nonscintillating-plastic detectors.

Kareem Kazkaz; Nathaniel S. Bowden; Marisa Pedretti

2011-09-16T23:59:59.000Z

352

Controlled catalytic and thermal sequential pyrolysis and hydrolysis of polycarbonate and plastic waste to recover monomers  

DOE Patents (OSTI)

A process is described using fast pyrolysis to convert a plastic waste feed stream containing polycarbonate and ABS to high value monomeric constituents prior to pyrolysis of other plastic components therein comprising: selecting a first temperature program range to cause pyrolysis of a given polymer to its high value monomeric constituents prior to a temperature range that causes pyrolysis of other plastic components; selecting an acid or base catalysts and an oxide or carbonate support for treating the feed stream to affect acid or base catalyzed reaction pathways to maximize yield or enhance separation of the high value monomeric constituents of polycarbonate and ABS in the first temperature program range; differentially heating the feed stream at a heat rate within the first temperature program range to provide differential pyrolysis for selective recovery of optimum quantities of the high value monomeric constituents prior to pyrolysis or other plastic components; separating the high value monomeric constituents from the polycarbonate to cause pyrolysis to a different high value monomeric constituent of the plastic waste and differentially heating the feed stream at the second higher temperature program range to cause pyrolysis of different high value monomeric constituents; and separating the different high value monomeric constituents. 68 figs.

Evans, R.J.; Chum, H.L.

1994-06-14T23:59:59.000Z

353

Controlled catalystic and thermal sequential pyrolysis and hydrolysis of polycarbonate and plastic waste to recover monomers  

DOE Patents (OSTI)

A process of using fast pyrolysis to convert a plastic waste feed stream containing polycarbonate and ABS to high value monomeric constituents prior to pyrolysis of other plastic components therein comprising: selecting a first temperature program range to cause pyrolysis of a given polymer to its high value monomeric constituents prior to a temperature range that causes pyrolysis of other plastic components; selecting an acid or base catalysts and an oxide or carbonate support for treating the feed stream to affect acid or base catalyzed reaction pathways to maximize yield or enhance separation of the high value monomeric constituents of polycarbonate and ABS in the first temperature program range; differentially heating the feed stream at a heat rate within the first temperature program range to provide differential pyrolysis for selective recovery of optimum quantities of the high value monomeric constituents prior to pyrolysis or other plastic components; separating the high value monomeric constituents from the polycarbonate to cause pyrolysis to a different high value monomeric constituent of the plastic waste and differentially heating the feed stream at the second higher temperature program range to cause pyrolysis of different high value monomeric constituents; and separating the different high value monomeric constituents.

Evans, Robert J. (Lakewood, CO); Chum, Helena L. (Arvada, CO)

1994-01-01T23:59:59.000Z

354

Geek-Up[10.15.2010]: Growing Nanoparticles, Developing Plastic from  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

15.2010]: Growing Nanoparticles, Developing Plastic from 15.2010]: Growing Nanoparticles, Developing Plastic from Bacteria and Wireless Water Heaters Geek-Up[10.15.2010]: Growing Nanoparticles, Developing Plastic from Bacteria and Wireless Water Heaters October 15, 2010 - 5:56pm Addthis Nanoparticles grown under the irradiation of high-energy X-rays | Source: Argonne National Lab and Carnegie Institution of Washington Nanoparticles grown under the irradiation of high-energy X-rays | Source: Argonne National Lab and Carnegie Institution of Washington Niketa Kumar Niketa Kumar Public Affairs Specialist, Office of Public Affairs What are the key facts? Watching nanoparticles in real time can help improve the performance of their application as solar cells, chemical and biological sensors and diagnostic imaging. Scientists are using bacteria with free wastewater to develop

355

Scale-up and Technology Transfer of Protein-based Plastic Products  

SciTech Connect

Over the last number of years researchers at ISU have been developing protein based plastics from soybeans, funded by Soy Works Corporation. These materials have been characterized and the processing of these materials into prototype products has been demonstrated. A wide range of net-shape forming processes, including but not limited to extrusion, injection molding and compression molding have been studied. Issues, including technology transfer, re-formulation and product consistency, have been addressed partially during this contract. Also, commercial-scale processing parameters for protein based plastic products were designed, but not yet applicable in the industry. Support in the trouble shooting processing and the manufacturing of protein based plastic products was provided by Iowa State University during the one year contract.

Grewell, David

2008-12-08T23:59:59.000Z

356

The Co-cracking Experiment and Application Route of Waste Plastics and Heavy Oil  

Science Journals Connector (OSTI)

Abstract The co-cracking experiment of waste plastics and heavy oil was done in the condition of 400C and pressure not higher than 2.0MPa. The experimental results showed that the yield of heavy oil and coke decreased but the light oil and gas yield increased with the increasing amount of waste plastics. The products of heavy oil's solidifying point, flash point, viscosity and density decreased and had a good pour point depression effect. Heavy oil containing heat conduction oil and solvent contributed to heat transfer, melting and transport and had the effect of dissolution and co-cracking. It would have a good prospect when the co-cracking of waste plastics and heavy oil was applied to the combination processes of visbreaking and delayed coking and catalytic cracking and delayed coking.

Shikui Wu; Kaixiong Xu; Lusen Jiang; Li Wang

2014-01-01T23:59:59.000Z

357

Generation of Cold Argon Plasma Jet at the End of Flexible Plastic Tube  

E-Print Network (OSTI)

This brief communication reports a new method for generation of cold atmospheric pressure plasma jet at the downstream end of a flexible plastic tube. The device consists of a small chamber where dielectric barrier discharge (DBD) is ignited in Argon. The discharge is driven by a conventional low frequency AC power supply. The exit of DBD reactor is connected to a commercial flexible plastic tube (up to 4 meters long) with a thin floating Cu wire inside. Under certain conditions an Ar plasma jet can be extracted from the downstream tube end and there is no discharge inside the plastic tube. The jet obtained by this method is cold enough to be put in direct contact with human skin without electric shock and can be used for medical treatment and decontamination.

Kostov, Konstantin G; Prysiazhnyi, Vadym

2014-01-01T23:59:59.000Z

358

A continuum plasticity model for the constitutive behavior of foamed metals  

SciTech Connect

A yield surface is proposed that can be fit to the plastic flow properties of a broad class of solids which exhibit plastic compressibility and different yield points in tension and compression. The yield surface is proposed to describe cellular solids, including foamed metals, and designed to be fit to three simple experimental results: (1) the compressive stress-strain response (including densification), (2) the difference between the tensile and compressive yield points and (3) the degree of compressibility of the foam, as measured by the lateral expansion during a uniaxial compression test. The model is implemented using finite elements and used to study the effects of plastic compressibility on two problems: the compression of a doubly notched specimen and indentation by a spherical indenter.

Miller, R.E.; Hutchinson, J.W. [Harvard Univ., Cambridge, MA (United States). Div. of Applied Science

1998-12-31T23:59:59.000Z

359

Plastic deformation of a model glass induced by a local shear transformation  

E-Print Network (OSTI)

The effect of a local shear transformation on plastic deformation of a three-dimensional amorphous solid is studied using molecular dynamics simulations. We consider a spherical inclusion, which is gradually transformed into an ellipsoid of the same volume and then converted back into the sphere. It is shown that at sufficiently large strain amplitudes, the deformation of the material involves localized plastic events that were identified based on the relative displacement of atoms before and after the shear transformation. We found that the density profiles of cage jumps decay away from the inclusion, which correlates well with the radial dependence of the local deformation of the material. At the same strain amplitude, the plastic deformation becomes more pronounced in the cases of weakly damped dynamics or large time scales of the shear transformation.

Nikolai V. Priezjev

2014-08-28T23:59:59.000Z

360

Geek-Up[10.15.2010]: Growing Nanoparticles, Developing Plastic from  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Geek-Up[10.15.2010]: Growing Nanoparticles, Developing Plastic from Geek-Up[10.15.2010]: Growing Nanoparticles, Developing Plastic from Bacteria and Wireless Water Heaters Geek-Up[10.15.2010]: Growing Nanoparticles, Developing Plastic from Bacteria and Wireless Water Heaters October 15, 2010 - 5:56pm Addthis Nanoparticles grown under the irradiation of high-energy X-rays | Source: Argonne National Lab and Carnegie Institution of Washington Nanoparticles grown under the irradiation of high-energy X-rays | Source: Argonne National Lab and Carnegie Institution of Washington Niketa Kumar Niketa Kumar Public Affairs Specialist, Office of Public Affairs What are the key facts? Watching nanoparticles in real time can help improve the performance of their application as solar cells, chemical and biological sensors and diagnostic imaging.

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Evaluation of plasticrubber asphalt: Engineering property and environmental concern  

Science Journals Connector (OSTI)

Abstract Waste rubber and plastic are accumulating heavily in China and causing significant environmental issues. In this study, the rubber and one kind of plastic, polypropylene (PP), were powdered and mixed with base asphalt to form plasticrubber asphalt (PRA). This study evaluated PRA and the mixture in two-folds, engineering properties and environmental concerns. SBS asphalt, one commonly used asphalt binder in China, was adopted as a control. To evaluate the environmental burdens of PRA mixture and SBS asphalt mixture, a cradle-to-gate life cycle assessment (LCA) modeling was performed. Throughout the study, it is revealed that: (1) as a binder, PRA is weaker in terms of softening point, elastic recovery and fatigue performance versus SBS asphalt, but the differences are limited; (2) PRA mixture are close to SBS asphalt mixture for the high temperature, low temperature performances and water durability; (3) PRA mixture is more environmental-friendly compared to SBS asphalt mixture.

Bin Yu; Liya Jiao; Fujian Ni; Jun Yang

2014-01-01T23:59:59.000Z

362

Catalytic Air Gasification of Plastic Waste (Polypropylene) in a Fluidized Bed. Part II: Effects of Some Operating Variables on the Quality of the Raw Gas Produced Using Olivine as the In-Bed Material  

Science Journals Connector (OSTI)

Catalytic Air Gasification of Plastic Waste (Polypropylene) in a Fluidized Bed. ... Wu et al.(11) reported a process involving pyrolysis combined with catalytic steam gasification for postconsumer plastic wastes, mixed plastics, and real-world plastic wastes. ... In this case, the plastic waste was composed of a mixture of PE and PP (50 wt %) from the car industry. ...

Jos M. Toledo; Mara P. Aznar; Jess A. Sancho

2011-09-26T23:59:59.000Z

363

The quasi-periodic nature of wall slip for molten plastics in large amplitude oscillatory shear  

E-Print Network (OSTI)

THE QUASI-PERIODIC NATURE OF WALL SLIP FOR MOLTEN PLASTICS IN LARGE AMPLITUDE OSCILLATORY SHEAR A Thesis by DAVID WARREN ADRIAN Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE May 1992 Major Subject: Mechanical Engineering THE QUASI-PERIODIC NATURE OF WALL SLIP FOR MOLTEN PLASTICS IN LARGE AMPLITUDE OSCILLATORY SHEAR A Thesis by DAVID WARREN ADRIAN Approved as to style and content by: A. J...

Adrian, David Warren

2012-06-07T23:59:59.000Z

364

Characteristics of process oils from HTI coal/plastics co-liquefaction runs  

SciTech Connect

The objective of this project is to provide timely analytical support to DOE`s liquefaction development effort. Specific objectives of the work reported here are: (1) to determine the fate of the plastics feedstocks, relative to coal-only operation; (2) to determine the conversion of the feedstocks; (3) to determine the product streams to which the feedstocks are converted (bottoms vs. distillate); (4) to determine interactions of feedstocks; (5) to determine how use of plastics feedstocks affect product quality; and (6) to determine to what degree property differences reflect feedstock differences vs. other (process) condition changes, such as unit operations, space velocity, and catalyst age.

Robbins, G.A.; Brandes, S.D.; Winschel, R.A.; Burke, F.P.

1995-12-31T23:59:59.000Z

365

Plastic deformation magnetic assembly of out-of-plane structures using vapour phase hydrofluoric (HF) acid release  

Science Journals Connector (OSTI)

We report on the fabrication of out-of-plane microstructures using plastic deformation magnetic assembly (PDMA) and vapour phase HF release process. A 0.5@mm thin silicon oxide (SiO"2) layer deposited on blank silicon has been implemented as a sacrificial ... Keywords: Dry release method, Hydrofluoric acid, Plastic deformation magnetic assembly

P. Argyrakis; R. Cheung

2009-11-01T23:59:59.000Z

366

Study of direct-drive, deuteriumtritium gas-filled plastic capsule implosions using nuclear diagnostics at OMEGA  

E-Print Network (OSTI)

Study of direct-drive, deuterium­tritium gas-filled plastic capsule implosions using nuclear-filled plastic capsules are studied using nuclear diagnostics at the OMEGA laser facility T. R. Boehly et al. Specifically, with a two-dimensional 2D single-color-cycle, 1-THz-bandwidth smoothing by spectral dispersion

367

Spin-One Ising Model for Ice VIIPlastic Ice Phase Transitions  

Science Journals Connector (OSTI)

We propose a spin model compatible with ice VIIplastic ice phase transitions and critical phenomena discovered recently by computer simulations. The BlumeCapel spin-1 Ising model is extended in order to describe the entropic stabilization effect in the ...

Masakazu Matsumoto; Kazuhiro Himoto; Hideki Tanaka

2014-08-21T23:59:59.000Z

368

Saturation of surface roughening instabilities by plastic deformation Michael Andersen,1,a  

E-Print Network (OSTI)

Saturation of surface roughening instabilities by plastic deformation Michael Andersen,1,a Nasr; accepted 22 January 2008; published online 26 February 2008 Surface roughening instabilities driven from higher curvature grooves. © 2008 American Institute of Physics. DOI: 10.1063/1.2842412 Roughening

Ghoniem, Nasr M.

369

The Use of Hollow Plastic Balls as Energy Conservation Devices in Heated Open Tanks  

E-Print Network (OSTI)

The problem of heat losses from open liquid filled tanks is as old as industry itself. This paper will present the advantages of using an insulating blanket of hollow plastic spheres as a mechanism to conserve this type of industrial energy loss...

Byrne, T. J.

1983-01-01T23:59:59.000Z

370

Reactor antineutrino monitoring with a plastic scintillator array as a new safeguards method  

E-Print Network (OSTI)

We developed a segmented reactor-antineutrino detector made of plastic scintillators for application as a tool in nuclear safeguards inspection and performed mostly unmanned field operations at a commercial power plant reactor. At a position outside the reactor building, we measured the difference in reactor antineutrino flux above the ground when the reactor was active and inactive.

S. Oguri; Y. Kuroda; Y. Kato; R. Nakata; Y. Inoue; C. Ito; M. Minowa

2014-05-23T23:59:59.000Z

371

Number Plastic Type Common Items Number of Items (tally) 1 polyethylene terephthalate  

E-Print Network (OSTI)

End Time: Number Plastic Type Common Items Number of Items (tally) 1 polyethylene terephthalate and vegetable oil containers; ovenable food trays. 2 high density polyethylene Milk jugs, juice bottles; bleach, piping, candy wrappers 4 low density polyethylene Squeezable bottles; bread, frozen food, dry cleaning

Schladow, S. Geoffrey

372

Plasticity of Language-Related Brain Function During Recovery from Stroke  

E-Print Network (OSTI)

Plasticity of Language-Related Brain Function During Recovery from Stroke Keith R. Thulborn, MD, Ph to correlate functional recovery from aphasia after acute stroke with the temporal evolution of the anatomic during recovery from acute stroke presenting with aphasia. Perfusion, diffusion, sodium, and conventional

373

Progress in Neurobiology 73 (2004) 6172 Motor rehabilitation and brain plasticity after hemiparetic stroke  

E-Print Network (OSTI)

hemiparetic stroke Judith D. Schaechter MGH/MIT/HMS, Athinoula A. Martinos Center for Biomedical Imaging, 13th of motor rehabilitation and brain plasticity on recovery after hemiparetic stroke. It discusses the impact of intensive post-stroke motor rehabilitation on motor recovery. This is followed by an overview of our current

Schaechter, Judith D.

374

Reactor antineutrino monitoring with a plastic scintillator array as a new safeguards method  

Science Journals Connector (OSTI)

Abstract We developed a segmented reactor-antineutrino detector made of plastic scintillators for application as a tool in nuclear safeguards inspection and performed mostly unmanned field operations at a commercial power plant reactor. At a position outside the reactor building, we measured the difference in reactor antineutrino flux above the ground when the reactor was active and inactive.

S. Oguri; Y. Kuroda; Y. Kato; R. Nakata; Y. Inoue; C. Ito; M. Minowa

2014-01-01T23:59:59.000Z

375

VI.5 Recycling of plastic waste, rubber waste and end-of-life cars in Germany  

Science Journals Connector (OSTI)

Publisher Summary Among different types of consumer waste in Germany, plastic waste, rubber waste, and end-of-life cars are closely intertwined. Processing techniques applied to these types of consumer waste are identical in many cases. This chapter outlines these similarities and discusses each type of consumer waste. The regulations for plastic waste recycling only apply to private households. Regulations are limited to packaging waste with the ordinance on packaging waste being the legal provision. The recycling of packaging remnants from production or defective production units is partially organized by producers themselves. Energy recovery of plastic packaging is limited to combined heat and power stations. Packaging waste that cannot be submitted to mechanical recycling is usually treated by the means of feedstock recycling. The treatment of plastic waste comprises fragmentation, sizing, sorting, washing and drying, agglomeration, and granulation. Rubber waste is unsuitable for deposition at landfill sites because of poor compressibility, resilient surfaces, extremely long rotting time, and forming of cavities with air inclusion. An increased utilization of rubber waste in the production of new tires depends directly on the quality of the vulcanization process.

Peter Dreher; Martin Faulstich; Gabriele Weber-Blaschke; Burkhard Berninger; Uwe Keilhammer

2004-01-01T23:59:59.000Z

376

Use of polymer/ionic liquid plasticizers as gel electrolytes in electrochromic devices  

E-Print Network (OSTI)

Use of polymer/ionic liquid plasticizers as gel electrolytes in electrochromic devices H. Bircana polymer configuration is commonly used when constructing electrochromic devices (ECDs) due to the expected)thienyl)-N-methylcarbazole] (PBEDOT-NMCz) as the two complementary electrochromic polymers for the device. A variety of gel

Otero, Toribio Fernández

377

Aerosol-Jet-Printed, 1 Volt HBridge Drive Circuit on Plastic with Integrated Electrochromic Pixel  

E-Print Network (OSTI)

Aerosol-Jet-Printed, 1 Volt HBridge Drive Circuit on Plastic with Integrated Electrochromic Pixel electrochromic (EC) pixel as large as 4 mm2 that is printed on the same substrate. All of the key components, flexible electronics, electrochromic pixel, transistor, capacitor, ion gel 1. INTRODUCTION Printing

Kim, Chris H.

378

An axisymmetric model for Taylor impact test and estimation of metal plasticity  

Science Journals Connector (OSTI)

...An axisymmetric model for Taylor impact test and estimation of metal plasticity Sukanta...anvil, often known as the Taylor impact test, is studied. An axisymmetric model is...illustrated through some examples. Taylor impact test|radial bulging|strain hardening|estimation...

2015-01-01T23:59:59.000Z

379

Developmental Plasticity of Cochliomyia macellaria Fabricius (Diptera: Calliphoridae) from Three Distinct Ecoregions in Texas  

E-Print Network (OSTI)

......................................................................................................... ix CHAPTER I INTRODUCTION AND LITERATURE REVIEW ................................ 1 Ephemeral Resources ......................................................................................... 9 Blow Fly Diversity in Texas......................................................................................................................138 vii LIST OF FIGURES Page Figure 1. Reaction norm plots for phenotypic variation, including genetic variance (a), plasticity due to environmental changes (b), and genotype by environment (GxE) interactions (c...

Owings, Charity Grace 1987-

2012-12-11T23:59:59.000Z

380

Neural Plasticity in Human Brain Connectivity: The Effects of Long Term Deep Brain Stimulation of the  

E-Print Network (OSTI)

Neural Plasticity in Human Brain Connectivity: The Effects of Long Term Deep Brain Stimulation of Oxford, Oxford, United Kingdom, 3 Center of Brain and Cognition, Theoretical and Computational are now well established for deep brain stimulation, but little is known about the effects of long

Deco, Gustavo

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Experimental investigation of plastic finned-tube heat exchangers, with emphasis on material thermal conductivity  

SciTech Connect

In this paper, two modified types of polypropylene (PP) with high thermal conductivity up to 2.3 W/m K and 16.5 W/m K are used to manufacture the finned-tube heat exchangers, which are prospected to be used in liquid desiccant air conditioning, heat recovery, water source heat pump, sea water desalination, etc. A third plastic heat exchanger is also manufactured with ordinary PP for validation and comparison. Experiments are carried out to determine the thermal performance of the plastic heat exchangers. It is found that the plastic finned-tube heat exchanger with thermal conductivity of 16.5 W/m K can achieve overall heat transfer coefficient of 34 W/m{sup 2} K. The experimental results are compared with calculation and they agree well with each other. Finally, the effect of material thermal conductivity on heat exchanger thermal performance is studied in detail. The results show that there is a threshold value of material thermal conductivity. Below this value improving thermal conductivity can considerably improve the heat exchanger performance while over this value improving thermal conductivity contributes very little to performance enhancement. For the finned-tube heat exchanger designed in this paper, when the plastic thermal conductivity can reach over 15 W/m K, it can achieve more than 95% of the titanium heat exchanger performance and 84% of the aluminum or copper heat exchanger performance with the same dimension. (author)

Chen, Lin; Li, Zhen; Guo, Zeng-Yuan [Department of Engineering Mechanics, Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Tsinghua University, Beijing 100084 (China)

2009-07-15T23:59:59.000Z

382

The path to ubiquitous and low-cost organic electronic appliances on plastic  

Science Journals Connector (OSTI)

... films on a variety of very-low-cost substrates such as glass, plastic or metal foils, and the relative ease of processing of the organic compounds that are currently being ... the world of inorganic semiconductors. Many processes involve direct printing through use of contact with stamps, or alternatively via ink-jets and other solution-based methods. ...

Stephen R. Forrest

2004-04-29T23:59:59.000Z

383

NEURAL PLASTICITY VOLUME 6, NO. 4, 1999 Temporal Coding of Periodicity Pitch in the  

E-Print Network (OSTI)

NEURAL PLASTICITY VOLUME 6, NO. 4, 1999 Temporal Coding of Periodicity Pitch in the Auditory System for pitch and timbre in the auditory nerve and cochlear nucleus. Neural pulse codes can be divided single Type I auditory nerve fibers. Features in such distri- butions correspond closely with pitches

Cariani, Peter

384

THE NEUROSCIENCES AND MUSIC III--DISORDERS AND PLASTICITY Automatic Brain Responses to Pitch Changes  

E-Print Network (OSTI)

THE NEUROSCIENCES AND MUSIC III--DISORDERS AND PLASTICITY Automatic Brain Responses to Pitch Montr´eal, Qu´ebec, Canada Congenital amusia is a lifelong disorder affecting the processing of pitch. This pitch deficit can be traced down to abnormal brain responses elicited by pitch changes smaller than

385

THE NEUROSCIENCES AND MUSIC III--DISORDERS AND PLASTICITY Impaired Memory for Pitch  

E-Print Network (OSTI)

THE NEUROSCIENCES AND MUSIC III--DISORDERS AND PLASTICITY Impaired Memory for Pitch in Congenital examined memory for pitch in congenital amusia in two tasks. In one task, we varied the pitch distance interpolated tones between the tones to be compared. In a second task, we manipulated the number of pitches

386

A displacement-based method for predicting plasticity-induced fatigue crack closure  

SciTech Connect

A numerical method for predicting closure and its effects on thermomechanical crack growth has been developed. A finite element model, using linear-elastic fracture mechanics shape functions, is employed to predict crack tip displacements. The effective changes in stress intensity, and therefore crack growth, are obtained from the minimum and maximum crack tip displacement predictions. When a flaw is loaded in Mode 1, a ligament of material ahead of the flaw yields, and a maximum crack tip displacement is computed. Upon unloading, plastically deformed material from prior plastic zones acts to limit the minimum displacements of the crack tip. The material is modeled as elastic-perfectly plastic. The yield strength of the material is varied based on the degree of constraint. The upper limit of constraint is a plane strain condition while the lowest constraint is a plane stress condition. The level of constraint is predicted by relating the stress intensity to the thickness of the component. Temperatures also affect yield strength, along with stiffness, and can cause the plastic zone to expand due to creep. During variable-amplitude loadings, and/or temperature changes, the irregular shape of the wake can be accommodated with this numerical procedure. The method has proven to accurately account for load interaction effects such as delayed retardation, crack arrest, initial accelerations following overloads, and the transient growth and stabilization of closure level with number of overloads.

Pawlik, M.E.; Saff, C.R.

1999-07-01T23:59:59.000Z

387

BPA in Receipts While many individuals associate BPA exposure to plastics and canned food,  

E-Print Network (OSTI)

BPA in Receipts While many individuals associate BPA exposure to plastics and canned food, it is less commonly known that BPA is frequently found in receipts (roughly 40% of receipts contain BPA). The concentration of BPA in these receipts, according to the Environmental Working Group, is 250 to 1000 times

Iglesia, Enrique

388

Development/Plasticity/Repair A Structural MRI Study of Human Brain Development from  

E-Print Network (OSTI)

Development/Plasticity/Repair A Structural MRI Study of Human Brain Development from Birth to 2 Carolina, Chapel Hill, North Carolina 27599-7510 Brain development in the first 2 years after birth and schizophrenia. Knowledge regarding this period is currently quite limited. We studied structural brain

Utah, University of

389

On the formulation, parameter identification and numerical integration of the EMMI model :plasticity and isotropic damage.  

SciTech Connect

In this report we present the formulation of the physically-based Evolving Microstructural Model of Inelasticity (EMMI) . The specific version of the model treated here describes the plasticity and isotropic damage of metals as being currently applied to model the ductile failure process in structural components of the W80 program . The formulation of the EMMI constitutive equations is framed in the context of the large deformation kinematics of solids and the thermodynamics of internal state variables . This formulation is focused first on developing the plasticity equations in both the relaxed (unloaded) and current configurations. The equations in the current configuration, expressed in non-dimensional form, are used to devise the identification procedure for the plasticity parameters. The model is then extended to include a porosity-based isotropic damage state variable to describe the progressive deterioration of the strength and mechanical properties of metals induced by deformation . The numerical treatment of these coupled plasticity-damage constitutive equations is explained in detail. A number of examples are solved to validate the numerical implementation of the model.

Bammann, Douglas J.; Johnson, G. C. (University of California, Berkeley, CA); Marin, Esteban B.; Regueiro, Richard A. (University of Colorado, Boulder, CO)

2006-01-01T23:59:59.000Z

390

A perturbation analysis of the unstable plastic flow pattern evolution in an aluminum alloy  

E-Print Network (OSTI)

A perturbation analysis of the unstable plastic flow pattern evolution in an aluminum alloy Seung Abstract In the tensile loading of sheet metals made from some polycrystalline aluminum alloys, a single in the uniaxial tension of polycrystalline aluminum alloys with periodic stress relaxations depends

Tong, Wei

391

Transformation plasticity and thermoelastic behavior in ZrO2-containing ceramics  

E-Print Network (OSTI)

565 Transformation plasticity and thermoelastic behavior in ZrO2-containing ceramics A. H. Heuer plasticité de transformation dans ZrO2, qui est responsable de la ré- sistance mécanique et de la grande profit. Dans certaines conditions, cette transformation est réversible, autocatalytique et

Paris-Sud XI, Université de

392

Communicated by TerrenceJ. Sejnowski Optimal Plasticity from Matrix Memories  

E-Print Network (OSTI)

for decreasingefficacy is pointed to by general considerations,such as those concerned with keeping individual synaptic for ocular dominance reversal and other phenomena of plasticity in the visual cortex (Bienen- stock et al, each output line being driven by a linear threshold unit (LTU) with m variable weights (Fig. 1

Dayan, Peter

393

Processing and properties of a solid energy fuel from municipal solid waste (MSW) and recycled plastics  

Science Journals Connector (OSTI)

Abstract Diversion of waste streams such as plastics, woods, papers and other solid trash from municipal landfills and extraction of useful materials from landfills is an area of increasing interest especially in densely populated areas. One promising technology for recycling municipal solid waste (MSW) is to burn the high-energy-content components in standard coal power plant. This research aims to reform wastes into briquettes that are compatible with typical coal combustion processes. In order to comply with the standards of coal-fired power plants, the feedstock must be mechanically robust, free of hazardous contaminants, and moisture resistant, while retaining high fuel value. This study aims to investigate the effects of processing conditions and added recyclable plastics on the properties of MSW solid fuels. A well-sorted waste stream high in paper and fiber content was combined with controlled levels of recyclable plastics PE, PP, PET and PS and formed into briquettes using a compression molding technique. The effect of added plastics and moisture content on binding attraction and energy efficiency were investigated. The stability of the briquettes to moisture exposure, the fuel composition by proximate analysis, briquette mechanical strength, and burning efficiency were evaluated. It was found that high processing temperature ensures better properties of the product addition of milled mixed plastic waste leads to better encapsulation as well as to greater calorific value. Also some moisture removal (but not complete) improves the compacting process and results in higher heating value. Analysis of the post-processing water uptake and compressive strength showed a correlation between density and stability to both mechanical stress and humid environment. Proximate analysis indicated heating values comparable to coal. The results showed that mechanical and moisture uptake stability were improved when the moisture and air contents were optimized. Moreover, the briquette sample composition was similar to biomass fuels but had significant advantages due to addition of waste plastics that have high energy content compared to other waste types. Addition of PP and HDPE presented better benefits than addition of PET due to lower softening temperature and lower oxygen content. It should be noted that while harmful emissions such as dioxins, furans and mercury can result from burning plastics, WTE facilities have been able to control these emissions to meet US EPA standards. This research provides a drop-in coal replacement that reduces demand on landfill space and replaces a significant fraction of fossil-derived fuel with a renewable alternative.

JeongIn Gug; David Cacciola; Margaret J. Sobkowicz

2014-01-01T23:59:59.000Z

394

Mechanical Behavior of a Ni-based Crystalline and a Zr-based Amorphous Materials Subjected to Surface Severe Plastic Deformation.  

E-Print Network (OSTI)

??A surface-treatment process, surface-severe-plastic deformation (S2PD), is developed and applied on both crystalline and amorphous materials to introduce the plastic deformation in the near-surface layer. (more)

Tian, Jiawan

2008-01-01T23:59:59.000Z

395

J. Micromech. Microeng. 10 (2000) 395400. Printed in the UK PII: S0960-1317(00)11869-8 Silicon-processed plastic  

E-Print Network (OSTI)

-processed plastic micropyramids for brightness enhancement applications Liwei Lin§, T K Shia and C-J Chiu is used to demonstrate the feasibility of manufacturing plastic micropyramids. These micropyramids have micromachined and used directly in the micro hot embossing process by applying plastic sheets made of polymethyl

Lin, Liwei

396

Plastic Phenotypic Response to Light of 16 Congeneric Shrubs from a Panamanian Rainforest Author(s): Fernando Valladares, S. Joseph Wright, Eloisa Lasso, Kaoru Kitajima, Robert W.  

E-Print Network (OSTI)

Plastic Phenotypic Response to Light of 16 Congeneric Shrubs from a Panamanian Rainforest Author, 81(7), 2000, pp. 1925-1936 ? 2000 by the Ecological Society of America PLASTIC PHENOTYPIC RESPONSE of California, Davis, California 95616 USA Abstract. The comparative phenotypic plasticity of 16 species

Saleska, Scott

397

Auklet (Charadriiformes: Alcidae, Aethia spp.) chick meals from the Aleutian Islands, Alaska, have a very low incidence of plastic marine debris  

E-Print Network (OSTI)

, have a very low incidence of plastic marine debris Alexander L. Bond a,*, Ian L. Jones a , Jeffrey C t i c l e i n f o Keywords: Plastic Marine debris North Pacific Ocean Auklet Aethia Aleutian Islands a b s t r a c t The ingestion of plastic marine debris is a chronic problem for some of the world

Jones, Ian L.

398

J. Non-Newtonian Fluid Mech. 143 (2007) 3847 Flow development in compression of a finite amount of a Bingham plastic  

E-Print Network (OSTI)

of a Bingham plastic Georgios C. Floridesa, Andreas N. Alexandroua, Georgios C. Georgioub, a Mechanical amount of a Bingham plastic is investigated by means of numerical simulations. The problem relates is modelled in Lagrangian coordinates using the Papanastasiou regularization for the Bingham plastic

Georgiou, Georgios

399

Plastic is one of the most versatile materials available. It is cheap, flexible and easy to process, and as a result  

E-Print Network (OSTI)

Plastic is one of the most versatile materials available. It is cheap, flexible and easy to process- cations is as an insulating coating for electric wires; indeed, plastic is well known for its insulating of plastics was discovered that displayed exactly the opposite beha- viour ­ the ability to conduct

Andelman, David

400

Award Recipient of ENERGY STAR Challenge for Industry JM Eagle Wharton Plastic Pipe Manufacturing Plant  

NLE Websites -- All DOE Office Websites (Extended Search)

Wharton Plastic Pipe Manufacturing Plant JM Eagle 10807 U.S. 59 Road Wharton, TX 77488 The Wharton Plastic Pipe Manufacturing Plant, located on an old cattle field, opened in 1985 by first manufacturing PVC pipe. The manufacturing of injection molding was added in 1988, corrugated pipe was added in 2009, and corrugated fittings were added in 2011. There are expectations for the plant to expand into manufacturing PE pipe fittings in the future. The Wharton plant achieved the ENERGY STAR Challenge for Industry in June 2010. The plant achieved a 15.5% reduction in energy intensity in the first year following its baseline. The success of achieving the Challenge for Industry came principally from an energy conservation program that focused on not operating equipment other than that needed for current production,

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

An elastic-perfectly plastic flow model for finite element analysis of perforated materials  

SciTech Connect

This paper describes the formulation of an elastic-perfectly plastic flow theory applicable to equivalent solid [EQS] modeling of perforated materials. An equilateral triangular array of circular penetrations is considered. The usual assumptions regarding geometry and loading conditions applicable to the development of elastic constants for EQS modeling of perforated plates are considered to apply here. An elastic-perfectly plastic [EPP] EQS model is developed for a collapse surface that includes fourth-order stress terms. The fourth order yield function has been shown to be appropriate for plates with a triangular array of circular holes. A complete flow model is formulated using the consistent tangent modulus approach based on the fourth order yield function.

Jones, D.P.; Gordon, J.L.; Hutula, D.N.; Banas, D.; Newman, J.B.

1999-02-01T23:59:59.000Z

402

Simultaneous Sterilization With Surface Modification Of Plastic Bottle By Plasma?Based Ion Implantation  

Science Journals Connector (OSTI)

Dry sterilization of polymeric material is developed. The technique utilizes the plasma?based ion implantation which is same as for surface modification of polymers. Experimental data for sterilization are obtained by using spores of Bacillus subtilis as samples. On the other hand we previously showed that the surface modification enhanced the gas barrier characteristics of plastic bottles. Comparing the implantation conditions for the sterilization experiment with those for the surface modification we find that both sterilization and surface modification are simultaneously performed in a certain range of implantation conditions. This implies that the present bottling system for plastic vessels will be simplified and streamlined by excluding the toxic peroxide water that has been used in the traditional sterilization processes.

N. Sakudo; N. Ikenaga

2011-01-01T23:59:59.000Z

403

Clinical prototype of a plastic water-equivalent scintillating fiber dosimeter array for QA applications  

SciTech Connect

A clinical prototype of a scintillating fiber dosimeter array for quality assurance applications is presented. The array consists of a linear array of 29 plastic scintillation detectors embedded in a water-equivalent plastic sheet coupled to optical fibers used to guide optical photons to a charge coupled device (CCD) camera. The CCD is packaged in a light-tight, radiation-shielded housing designed for convenient transport. A custom designed connector is used to ensure reproducible mechanical positioning of the optical fibers relative to the CCD. Profile and depth dose characterization measurements are presented and show that the prototype provides excellent dose measurement reproducibility ({+-}0.8%) in-field and good accuracy ({+-}1.6% maximum deviation) relative to the dose measured with an IC10 ionization chamber.

Lacroix, Frederic; Archambault, Louis; Gingras, Luc; Guillot, Mathieu; Beddar, A. Sam; Beaulieu, Luc [Departement de Physique, de Genie Physique et d'Optique, Universite Laval, Quebec, Quebec, G1K 7P4 (Canada) and Departement de Radio-Oncologie, Hotel-Dieu de Quebec, Centre Hospitalier Universitaire de Quebec, Quebec, Quebec G1R2J6 (Canada); Department of Radiation Physics, University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030 (United States); Departement de Physique, de Genie Physique et d'Optique, Universite Laval, Quebec, Quebec G1K 7P4 (Canada) and Departement de Radio-Oncologie, Hotel-Dieu de Quebec, Centre Hospitalier Universitaire de Quebec, Quebec, Quebec G1R2J6 (Canada); Department of Radiation Physics, University of Texas M. D. Anderson Cancer Center, Houston, Texas 77030 (United States); Departement de Physique, de Genie Physique et d'Optique, Universite Laval, Quebec, Quebec, G1K 7P4 (Canada) and Departement de Radio-Oncologie, Hotel-Dieu de Quebec, Centre Hospitalier Universitaire de Quebec, Quebec, Quebec G1R2J6 (Canada)

2008-08-15T23:59:59.000Z

404

Understanding plastic deformation in thermal glasses from single-soft-spot dynamics  

E-Print Network (OSTI)

By considering the low-frequency vibrational modes of amorphous solids, Manning and Liu [Phys. Rev. Lett. 107, 108302 (2011)] showed that a population of "soft spots" can be identified that are intimately related to plasticity at zero temperature under quasistatic shear. In this work we track individual soft spots with time in a two-dimensional sheared thermal Lennard Jones glass at temperatures ranging from deep in the glassy regime to above the glass transition temperature. We show that the lifetimes of individual soft spots are correlated with the timescale for structural relaxation. We additionally calculate the number of rearrangements required to destroy soft spots, and show that most soft spots can survive many rearrangements. Finally, we show that soft spots are robust predictors of rearrangements at temperatures well into the super-cooled regime. Altogether, these results pave the way for mesoscopic theories of plasticity of amorphous solids based on dynamical behavior of individual soft spots.

Samuel S. Schoenholz; Andrea J. Liu; Robert A. Riggleman; Joerg Rottler

2014-04-04T23:59:59.000Z

405

Is inner core seismic anisotropy a marker of plastic flow of cubic iron?  

E-Print Network (OSTI)

This paper investigates whether observations of seismic anisotropy are compatible with a cubic structure of the inner core Fe alloy. We assume that anisotropy is the result of plastic deformation within a large scale flow induced by preferred growth at the inner core equator. Based on elastic moduli from the literature, bcc- or fcc-Fe produce seismic anisotropy well below seismic observations ($\\textless{}0.4\\%$). A Monte-Carlo approach allows us to generalize this result to any form of elastic anisotropy in a cubic system. Within our model, inner core global anisotropy is not compatible with a cubic structure of Fe alloy. Hence, if the inner core material is indeed cubic, large scale coherent anisotropic structures, incompatible with plastic deformation induced by large scale flow, must be present.

Lincot, A; Cardin, Philippe

2015-01-01T23:59:59.000Z

406

An elastic, plastic, viscous model for slow shear of a liquid foam  

E-Print Network (OSTI)

We suggest a scalar model for deformation and flow of an amorphous material such as a foam or an emulsion. To describe elastic, plastic and viscous behaviours, we use three scalar variables: elastic deformation, plastic deformation rate and total deformation rate; and three material specific parameters: shear modulus, yield deformation and viscosity. We obtain equations valid for different types of deformations and flows slower than the relaxation rate towards mechanical equilibrium. In particular, they are valid both in transient or steady flow regimes, even at large elastic deformation. We discuss why viscosity can be relevant even in this slow shear (often called "quasi-static") limit. Predictions of the storage and loss moduli agree with the experimental literature, and explain with simple arguments the non-linear large amplitude trends.

Philippe Marmottant; Franois Graner

2007-07-06T23:59:59.000Z

407

Prospects for energy recovery from plastic waste gasifiers by means of MHD topping cycle  

SciTech Connect

In this paper the authors present a feasibility study of a combined MagnetoHydroDynamic (MHD) and steam turbine plant in which the working gas is made of burnt plastic waste. The possibility of MHD retrofit of existing plant, especially fed by fossil fuel, is well known, and has been studied both for its economical and environmental benefits. The environmental impact and the elimination of pollution agents has become a prime necessity in waste digestion. Furthermore, plants in which the production of electrical power by means of burnt gases produced in the digestion process have been designed and built. In this field an MHD integration plant could be very attractive. This feasibility study has been developed by simulating an ideal plant with a plastic incinerator, an MHD device and conventional steam turbines. As a result, the simulations have indicated economic and environmental advantages with notable efficiency improvements in the generation of electrical power.

Geri, A.; Verdone, N.; Salvini, A.

1999-12-01T23:59:59.000Z

408

Surface analysis of rubbers and plastics using secondary neutral mass spectrometry.  

SciTech Connect

Rubber and plastics are complex mixtures of long-chain polymers, smaller organic additives used as plasticizers, mildicides, fungicides, colorants, etc., and inorganic additives such as carbon and silica. Surface analysis of such materials is at once difficult and important. The difficulty lies in the need to identify specific carbon molecules on a very similar organic surface. The importance arises from the dramatic effect that the distribution and concentration of additives have on the physical properties of polymeric materials. Recently we have had some success in applying laser desorption post-ionization mass spectrometry in measuring the surface concentration and distribution of both additives and the polymer molecules themselves. The key has been to use the photoionization properties of the analyte of interest to augment mass spectrometric information.

Pellin, M. J.; Savina, M. R.

1999-08-23T23:59:59.000Z

409

Elastic-plastic failure analysis of pressure burst tests of thin toroidal shells  

SciTech Connect

This paper provides a comparison between test and analysis results for bursting of thin toroidal shells. Testing was done by pressurizing two toroidal shells until failure by bursting. An analytical criterion for bursting is developed based on good agreement between structural instability predicted by large strain-large displacement elastic-plastic finite element analysis and observed burst pressure obtained from test. The failures were characterized by loss of local stability of the membrane section of the shells consistent with the predictions from the finite element analysis. Good agreement between measured and predicted burst pressure suggests that incipient structural instability as calculated by an elastic-plastic finite element analysis is a reasonable way to calculate the bursting pressure of thin membrane structures.

Jones, D.P.; Holliday, J.E.; Larson, L.D. [Bechtel Bettis, Inc., West Mifflin, PA (United States). Bettis Atomic Power Lab.

1999-05-01T23:59:59.000Z

410

A study of Poisson's ratio and the elastic and plastic properties of Ottawa sand  

E-Print Network (OSTI)

in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE Mayq 1957 Ma)or Sub)acts Civil Engineering A STUDY OF POISSON'S RATIO AND THE ELASTIC AND PLASTIC PROPERTIES OF OTTAWA SAND A Thesis ROSERT RENT WZmne Captain, Corps...' IHTRODUCTIOS Engineering achievements have paced the rise oi civilization through the ages. Today the cries for greater strength, capacity and economy are heard with ever increasing frequency. Transportation and defense requirements have never lagged...

Werner, Robert Rehm

1957-01-01T23:59:59.000Z

411

Deactivation and regeneration of ZSM-5 zeolite in catalytic pyrolysis of plastic wastes  

SciTech Connect

Highlights: > Pyrolysis transforms plastic wastes in valuable liquids and gases useful as fuels or source of chemicals. > The use of ZSM-5 zeolite in pyrolysis favours the production of gases and of lighter and more aromatic liquids. > ZSM-5 zeolite is almost completely deactivated after one plastics pyrolysis experiment. > ZSM-5 zeolite used in plastic wastes pyrolysis can be regenerated by burning the deposited coke in an air stream. > Regenerated ZSM-5 recovers its activity and produces liquids and gases equivalent to those obtained with fresh catalyst. - Abstract: In this work, a study of the regeneration and reuse of ZSM-5 zeolite in the pyrolysis of a plastic mixture has been carried out in a semi-batch reactor at 440 deg. C. The results have been compared with those obtained with fresh-catalyst and in non-catalytic experiments with the same conditions. The use of fresh catalyst produces a significant change in both the pyrolysis yields and the properties of the liquids and gases obtained. Gases more rich in C3-C4 and H{sub 2} are produced, as well as lower quantities of aromatic liquids if compared with those obtained in thermal decomposition. The authors have proved that after one pyrolysis experiment the zeolite loses quite a lot of its activity, which is reflected in both the yields and the products quality; however, this deactivation was found to be reversible since after regeneration heating at 550 deg. C in oxygen atmosphere, this catalyst recovered its initial activity, generating similar products and in equivalent proportions as those obtained with fresh catalyst.

Lopez, A., E-mail: alex.lopez@ehu.es [Chemical and Environmental Engineering Department, School of Engineering of Bilbao, Alameda Urquijo s/n, 48013 Bilbao (Spain); Marco, I. de; Caballero, B.M.; Adrados, A.; Laresgoiti, M.F. [Chemical and Environmental Engineering Department, School of Engineering of Bilbao, Alameda Urquijo s/n, 48013 Bilbao (Spain)

2011-08-15T23:59:59.000Z

412

Toxic species emissions from controlled combustion of selected rubber and plastic consumer products  

E-Print Network (OSTI)

by the thermal oxidation or pyrolysis of the various chemical species present in the rubber product may remain in the ash once the material has burned, or be given off as smoke particulates or gases during incineration. The partitioning of contaminants... airborne or ash phase) when selected plastics or rubberized materials undergo controlled combustion. The results are indicative of what can occur in municipal incinerators or as a result of residential or industrial Ares or the intentional burning...

Caraballo, Simon A.

1992-01-01T23:59:59.000Z

413

A Nonlocal Peridynamic Plasticity Model for the Dynamic Flow and Fracture of Concrete.  

SciTech Connect

A nonlocal, ordinary peridynamic constitutive model is formulated to numerically simulate the pressure-dependent flow and fracture of heterogeneous, quasi-brittle ma- terials, such as concrete. Classical mechanics and traditional computational modeling methods do not accurately model the distributed fracture observed within this family of materials. The peridynamic horizon, or range of influence, provides a characteristic length to the continuum and limits localization of fracture. Scaling laws are derived to relate the parameters of peridynamic constitutive model to the parameters of the classical Drucker-Prager plasticity model. Thermodynamic analysis of associated and non-associated plastic flow is performed. An implicit integration algorithm is formu- lated to calculate the accumulated plastic bond extension and force state. The gov- erning equations are linearized and the simulation of the quasi-static compression of a cylinder is compared to the classical theory. A dissipation-based peridynamic bond failure criteria is implemented to model fracture and the splitting of a concrete cylinder is numerically simulated. Finally, calculation of the impact and spallation of a con- crete structure is performed to assess the suitability of the material and failure models for simulating concrete during dynamic loadings. The peridynamic model is found to accurately simulate the inelastic deformation and fracture behavior of concrete during compression, splitting, and dynamically induced spall. The work expands the types of materials that can be modeled using peridynamics. A multi-scale methodology for simulating concrete to be used in conjunction with the plasticity model is presented. The work was funded by LDRD 158806.

Vogler, Tracy; Lammi, Christopher James

2014-10-01T23:59:59.000Z

414

Analytical modeling of elastic-plastic wave behavior near grain boundaries in crystalline materials  

SciTech Connect

It is well known that changes in material properties across an interface will produce differences in the behavior of reflected and transmitted waves. This is seen frequently in planar impact experiments, and to a lesser extent, oblique impacts. In anisotropic elastic materials, wave behavior as a function of direction is usually accomplished with the aid of velocity surfaces, a graphical method for predicting wave scattering configurations. They have expanded this method to account for inelastic deformation due to crystal plasticity. The set of derived equations could not be put into a characteristic form, but instead led to an implicit problem. to overcome this difficulty an algorithm was developed to search the parameters space defined by a wave normal vector, particle velocity vector, and a wave speed. A solution was said to exist when a set from this parameter space satisfied the governing vector equation. Using this technique they can predict the anisotropic elastic-plastic velocity surfaces and grain boundary scattering configuration for crystalline materials undergoing deformation by slip. Specifically, they have calculated the configuration of scattered elastic-plastic waves in anisotropic NiAl for an incident compressional wave propagating along a <111> direction and contacting a 45 degree inclined grain boundary and found that large amplitude transmitted waves exist owing to the fact that the wave surface geometry forces it to propagate near the zero Schmid factor direction <100>.

Loomis, Eric [Los Alamos National Laboratory; Greenfield, Scott [Los Alamos National Laboratory; Luo, Shengnian [Los Alamos National Laboratory; Swift, Damian [LLNL; Peralta, Pedro [ASU

2009-01-01T23:59:59.000Z

415

Light scattering apparatus and method for determining radiation exposure to plastic detectors  

DOE Patents (OSTI)

An improved system and method of analyzing cumulative radiation exposure registered as pits on track etch foils of radiation dosimeters. The light scattering apparatus and method of the present invention increases the speed of analysis while it also provides the ability to analyze exposure levels beyond that which may be properly measured with conventional techniques. Dosimeters often contain small plastic sheets that register accumulated damage when exposed to a radiation source. When the plastic sheet from the dosimeter is chemically etched, a track etch foil is produced wherein pits or holes are created in the plastic. The number of these pits, or holes, per unit of area (pit density) correspond to the amount of cumulative radiation exposure which is being optically measured by the apparatus. To measure the cumulative radiation exposure of a track etch foil a high intensity collimated beam is passed through foil such that the pits and holes within the track etch foil cause a portion of the impinging light beam to become scattered upon exit. The scattered light is focused with a lens, while the primary collimated light beam (unscattered light) is blocked. The scattered light is focused by the lens onto an optical detector capable of registering the optical power of the scattered light which corresponds to the cumulative radiation to which the track etch foil has been exposed.

Hermes, Robert E. (White Rock, NM)

2002-01-01T23:59:59.000Z

416

Test of a single module of the J-PET scanner based on plastic scintillators  

E-Print Network (OSTI)

Time of Flight Positron Emission Tomography scanner based on plastic scintillators is being developed at the Jagiellonian University by the J-PET collaboration. The main challenge of the conducted research lies in the elaboration of a method allowing application of plastic scintillators for the detection of low energy gamma quanta. In this article we report on tests of a single detection module built out from BC-420 plastic scintillator strip (with dimensions of 5x19x300mm^3) read out at two ends by Hamamatsu R5320 photomultipliers. The measurements were performed using collimated beam of annihilation quanta from the 68Ge isotope and applying the Serial Data Analyzer (Lecroy SDA6000A) which enabled sampling of signals with 50ps intervals. The time resolution of the prototype module was established to be better than 80ps (sigma) for a single level discrimination. The spatial resolution of the determination of the hit position along the strip was determined to be about 0.93cm (sigma) for the annihilation quanta. The fractional energy resolution for the energy E deposited by the annihilation quanta via the Compton scattering amounts to sigma(E)/E = 0.044/sqrt(E[MeV]) and corresponds to the sigma(E)/E of 7.5% at the Compton edge.

P. Moskal; Sz. Nied?wiecki; T. Bednarski; E. Czerwi?ski; ?. Kap?on; E. Kubicz; I. Moskal; M. Pawlik-Nied?wiecka; N. G. Sharma; M. Silarski; M. Zieli?ski; N. Zo?; P. Bia?as; A. Gajos; A. Kochanowski; G. Korcyl; J. Kowal; P. Kowalski; T. Kozik; W. Krzemie?; M. Molenda; M. Pa?ka; L. Raczy?ski; Z. Rudy; P. Salabura; A. S?omski; J. Smyrski; A. Strzelecki; A. Wieczorek; W. Wi?licki

2014-08-29T23:59:59.000Z

417

Direct evidence of plastic events and dynamic heterogeneities in soft-glasses  

E-Print Network (OSTI)

By using fluid-kinetic simulations of confined and concentrated emulsion droplets, we investigate the nature of space non-homogeneity in soft-glassy dynamics and provide quantitative measurements of the statistical features of plastic events in the proximity of the yield-stress threshold. Above the yield stress, our results show the existence of a finite stress correlation scale, which can be mapped directly onto the {\\it cooperativity scale}, recently introduced in the literature to capture non-local effects in the soft-glassy dynamics. In this regime, the emergence of a separate boundary (wall) rheology with higher fluidity than the bulk, is highlighted in terms of near-wall spontaneous segregation of plastic events. Near the yield stress, where the cooperative scale cannot be estimated with sufficient accuracy, the system shows a clear increase of the stress correlation scale, whereas plastic events exhibit intermittent clustering in time, with no preferential spatial location. A quantitative measurement of the space-time correlation associated with the motion of the interface of the droplets is key to spot the long-range amorphous order at the yield stress threshold.

R. Benzi; M. Sbragaglia; P. Perlekar; M. Bernaschi; S. Succi; F. Toschi

2014-02-18T23:59:59.000Z

418

Method for the separation of high impact polystyrene (HIPS) and acrylonitrile butadiene styrene (ABS) plastics  

DOE Patents (OSTI)

An improved method is provided for separating acrylonitrile butadiene styrene (ABS) and high impact polystyrene (HIPS) plastics from each other. The ABS and HIPS plastics are shredded to provide a selected particle size. The shredded particles of the ABS and HIPS plastics are applied to a solution having a solution density in a predefined range between 1.055 gm/cm.sup.3 and 1.07 gm/cm.sup.3, a predefined surface tension in a range between 22 dynes/cm to 40 dynes/cm and a pH in the range of 1.77 and 2.05. In accordance with a feature of the invention, the novel method is provided for separating ABS and HIPS, two solid thermoplastics which have similar densities by selectively modifying the effective density of the HIPS using a binary solution with the appropriate properties, such as pH, density and surface tension, such as a solution of acetic acid and water or a quaternary solution having the appropriate density, surface tension, and pH.

Jody, Bassam J. (Chicago, IL); Arman, Bayram (Amherst, NY); Karvelas, Dimitrios E. (Downers Grove, IL); Pomykala, Jr., Joseph A. (Crest Hill, IL); Daniels, Edward J. (Oak Lawn, IL)

1997-01-01T23:59:59.000Z

419

Nanoclay reinforced HDPE as a matrix for wood-plastic composites  

Science Journals Connector (OSTI)

This study was aimed at identifying the best approach of incorporating nanoclay into wood-plastic composites (WPCs) to enhance their mechanical properties. Two different methods of introducing nanoclays into HDPE-based \\{WPCs\\} were examined. The first method involved the reinforcement of HDPE matrix with nanoclay, which was then used as a matrix in the manufacture of the wood-plastic composites (melt blending process). The second method consisted of a direct addition of nanoclay into HDPE/wood-flour composites during conventional dry compounding (direct dry blending process). The mechanical properties of injection molded \\{WPCs\\} were characterized using flexural, tensile, and dynamic mechanical analysis tests. In addition, the effect of five different types of nanoclays on the mechanical properties of HDPE was examined to identify the most effective nanoclay type for wood-plastic composites. The degree of nanoclay intercalation in HDPE-based nanocomposites was characterized by means of X-ray diffraction method and transmission electron microscopy. The melt blending process, in which nanoclay/HDPE nanocomposite was used as matrix, appeared to be the best approach of incorporating nanoclay in WPCs. The experimental results indicated that the mechanical properties of HDPE/wood-flour composites could be significantly improved with an appropriate combination of the coupling agent content and nanoclay type in the composites.

Omar Faruk; Laurent M. Matuana

2008-01-01T23:59:59.000Z

420

Design, fabrication, and testing of a three-dimensional, plastically-deformed, monolithic compliant HexFlex Nanomanipulator  

E-Print Network (OSTI)

An experimental study was performed to investigate the possibility of incorporating plastic deformation into a precision compliant mechanism design. The particular application of a compliant HexFlex Nanomanipulator was ...

Korb, Samuel N. (Samuel Noaa), 1984-

2004-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Experimental study of a thermosyphon solar water heater coupled to a fibre-reinforced plastic (FRP) storage tank  

Science Journals Connector (OSTI)

The thermal performance of the thermosyphon solar water heater was analyzed to show its ... %. Also, an analysis of the temperature storage characteristics of a novel fibre-reinforced plastic (FRP) storage tank w...

P. N. Nwosu; O. U. Oparaku; W. I. Okonkwo; G. O. Unachukwu

2011-09-01T23:59:59.000Z

422

IDENTIFICATION OF DAMAGE TYPES IN CARBON FIBER REINFORCED PLASTIC LAMINATES BY A NOVEL OPTICAL FIBER ACOUSTIC EMISSION SENSOR  

E-Print Network (OSTI)

IDENTIFICATION OF DAMAGE TYPES IN CARBON FIBER REINFORCED PLASTIC LAMINATES BY A NOVEL OPTICAL technology. PZT sensors have been being used as AE sensors. However, because this kind of sensor has bulk

Boyer, Edmond

423

Desulfurization of coke oven gas from the coking of coking coal blended with a sorbent and waste plastic  

Science Journals Connector (OSTI)

A new way to implement the simultaneous reutilization of solid waste, the desulfurization of coke oven gas (COG), and even the desulfurization of coke by the co-coking of coking coal (CC) and waste plastic (WP).....

Zhao Rongfang; Ye Shufeng; Xie Yusheng

2007-03-01T23:59:59.000Z

424

Analysis of the Neurotoxic Plasticizer n-Butylbenzenesulfonamide by Gas Chromatography Combined with Accurate Mass Selected Ion Monitoring  

Science Journals Connector (OSTI)

......Australian domestic solid-waste landfill leachate (from...plastic container used for long-term storage of inoculating solutions...following: domestic solid-waste leachate (n = 11, including...thick domestic solid- waste landfill. The levels......

Pat Duffield; David Bourne; Karin Tan; Ralph M. Garruto; Mark W. Duncan

1994-01-01T23:59:59.000Z

425

Estrogenic chemicals often leach from BPA-free plastic products that are replacements for BPA-containing polycarbonate products  

Science Journals Connector (OSTI)

Xenobiotic chemicals with estrogenic activity (EA), such as bisphenol A (BPA), have been reported to have potential ... reusable, plastic products that do not leach BPA. However, no study has focused on whether s...

George D Bittner; Chun Z Yang; Matthew A Stoner

2014-05-01T23:59:59.000Z

426

Environmental Friendly Crush-Magnetic Separation Technology for Recycling Metal-Plated Plastics from End-of-Life Vehicles  

Science Journals Connector (OSTI)

Metal-plated plastics (MPP), which are important from the standpoint of aesthetics or even performance, are increasingly employed in a wide variety of situations in the automotive industry. Serious environmental problems will be caused if they are not ...

Mianqiang Xue; Jia Li; Zhenming Xu

2012-02-02T23:59:59.000Z

427

PART OF A SPECIAL ISSUE ON PLANT MATING SYSTEMS Variation in inbreeding depression and plasticity across native  

E-Print Network (OSTI)

architectural traits measured. The absolute value of plasticity showed the most marked difference between home research has demonstrated that a wide range of envir- onmental factors influence inbreeding depression (e

Dudash, Michele R.

428

Development of an uncoupled, viscoplastic constitutive model for cyclic plasticity of Hastelloy-X at high temperature  

E-Print Network (OSTI)

DEVELOPMENT OF AN UNCOUPLED, VISCOPLASTIC CONSTITUTIVE MODEL FOR CYCLIC PLASTICITY OF HASTELLOY-X AT HIGH TEMPERATURE A Thesis Submitted to the Graduate School of Texas A&M University in partial fulfillment of the requirement for the degree... of MASTER OF SCIENCE May 1983 Major Subject: Mechanical Engineering DEVELOPMENT OF AN UNCOUPLED, VISCOPLASTIC CONSTITUTIVE MODEL FOR CYCLIC PLASTICITY OF HASTELLOY-X AT HIGH TEMPERATURE A Thesis by SHIK HUNG YUEN Approved as to style and content by...

Yuen, Shik Hung

1983-01-01T23:59:59.000Z

429

Total plastic strain and electrical resistivity in high purity aluminum cyclically strained at 4.2 K  

E-Print Network (OSTI)

TOTAL PLASTIC STRAIN AND ELECTRICAL RESISTIVITY IN HIGH PURITY ALUMINUM CYCLICALLY STRAINED AT 4. 2 K A Thesis by JAMES TERENCE GEHAN Submitted to the Office of Graduate Studies of Texas ARM University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE December 1988 Ulajor Subject: 1VIechanical Engineering TOTAL PLASTIC STRAIN AND ELECTRICAL RESISTIVITY IN HIGH PURITY ALUMINUM CYCLICALLY STRAINED AT 4. 2 K A Thesis by JAMES TERENCE GEHAN Approved...

Gehan, James Terence

2012-06-07T23:59:59.000Z

430

PEDOT:PSS top electrode prepared by transfer lamination using plastic wrap as the transfer medium for organic solar cells  

Science Journals Connector (OSTI)

Abstract We report on the film preparation of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) by transfer lamination using plastic wrap as the transfer medium. Comparing with the commonly used polydimethylsiloxane (PDMS) transfer medium, the plastic wrap is cheaper, easier to access and for mass production. The surface of plastic wrap is less hydrophobic than that of PDMS, aqueous PEDOT:PSS solution with 0.5wt.% surfactant can wet the plastic wrap well. No plasma or ultraviolet ozone treatment is needed on the plastic wrap prior to the coating of PEDOT:PSS, while plasma treatment is necessary when PDMS is used transfer medium. That simplifies the fabrication process. Organic solar cells with the PEDOT:PSS top electrode transferred using plastic wrap transfer medium exhibit an averaged fill factor of 0.60 and an averaged power conversion efficiency of 4.0%, comparable to that of reference solar cells with PDMS as transfer medium for PEDOT:PSS transfer.

Liyuan Yin; Zhixin Zhao; Fangyuan Jiang; Zaifang Li; Sixing Xiong; Yinhua Zhou

2014-01-01T23:59:59.000Z

431

CO M PUTATIO NAL M ETHO D S F O R M ESO SCO PIC, INHO M O G ENEO US PLASTIC D EF O R M ATIO N  

E-Print Network (OSTI)

CO M PUTATIO NAL M ETHO D S F O R M ESO SCO PIC, INHO M O G ENEO US PLASTIC D EF O R M ATIO N Nasr of heterogeneuos plastic deformation in materials. The equations of motion of three-dimensional (3-D) inter- acting simulations of inhomogeneous plastic deformation, and associated applications in pattern-forming plastic

Ghoniem, Nasr M.

432

The potential environmental gains from recycling waste plastics: Simulation of transferring recycling and recovery technologies to Shenyang, China  

SciTech Connect

Research highlights: {yields} Urban symbiosis creates compatibility of industrial development and waste management. {yields} Mechanical technology leads to more CO{sub 2} emission reduction. {yields} Energy recovery technology leads to more fossil fuel saving. {yields} Clean energy makes recycling technologies cleaner. {yields} Demand management is crucial for realizing potential environmental gains of recycling. - Abstract: With the increasing attention on developing a low-carbon economy, it is necessary to seek appropriate ways on reducing greenhouse gas (GHG) emissions through innovative municipal solid waste management (MSWM), such as urban symbiosis. However, quantitative assessments on the environmental benefits of urban symbiosis, especially in developing countries, are limited because only a limited number of planned synergistic activities have been successful and it is difficult to acquire detailed inventory data from private companies. This paper modifies and applies a two-step simulation system and used it to assess the potential environmental benefits, including the reduction of GHG emissions and saving of fossil fuels, by employing various Japanese plastics recycling/energy-recovery technologies in Shenyang, China. The results showed that among various recycling/energy-recovery technologies, the mechanical waste plastics recycling technology, which produces concrete formwork boards (NF boards), has the greatest potential in terms of reducing GHG emissions (1.66 kg CO{sub 2}e/kg plastics), whereas the technology for the production of refuse plastic fuel (RPF) has the greatest potential on saving fossil fuel consumption (0.77 kgce/kg-plastics). Additional benefits can be gained by applying combined technologies that cascade the utilization of waste plastics. Moreover, the development of clean energy in conjunction with the promotion of new waste plastics recycling programs could contribute to additional reductions in GHG emissions and fossil fuel consumption.

Chen Xudong, E-mail: chen.xudong@nies.go.jp [Institute of Applied Ecology, Chinese Academy of Sciences, No. 72 Wenhua Road, Shenyang 110016 (China); National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506 (Japan); Graduate School of Environmental Studies, Nagoya University, Furo-cho, Chikusa-ku, Nagoya City 464-8601 (Japan); Xi Fengming [Institute of Applied Ecology, Chinese Academy of Sciences, No. 72 Wenhua Road, Shenyang 110016 (China); Geng Yong, E-mail: gengyong@iae.ac.cn [Institute of Applied Ecology, Chinese Academy of Sciences, No. 72 Wenhua Road, Shenyang 110016 (China); Fujita, Tsuyoshi [National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506 (Japan); Graduate School of Environmental Studies, Nagoya University, Furo-cho, Chikusa-ku, Nagoya City 464-8601 (Japan)

2011-01-15T23:59:59.000Z

433

Effect of temperature and stress on plastic deformation in monocrystalline silicon induced by scratching  

Science Journals Connector (OSTI)

Dry air coolant and liquid nitrogen were applied respectively to study the effect of temperature and stress on plastic deformation in scratching monocrystalline silicon. Phases generated in surfacedeformation were characterized by means of the transmission electron microscopy. It was shown that the size of the amorphous transformation zone and the depth of slip penetration in sample subsurface were mainly dependent on the stress field applied. The influence of the temperature variation to ?196?C was surprisingly small and the low temperature did not suppress the phase transformation and dislocation activity.

I. Zarudi; T. Nguyen; L. C. Zhang

2005-01-01T23:59:59.000Z

434

Plastic-lined valves are virtually trouble-free in caustic, acid pipelines  

SciTech Connect

Chevron renovated the naphthenic acid plant, part of the Pascagoula, Mississippi Refinery of Chevron U.S.A. Inc., in mid-1979. They installed plastic-lined valves in the caustic and acid water piping systems. The valves combine the excellent sealing characteristics of a plug valve with the minimal rotary contact surface and low pressure drop of a butterfly valve. The valve has a molded-in-place PTFE liner resistant to abrasives and corrosives at temperatures of 450/sup 0/F, and is rated for pressures from full vacuum to 150 psi.

Not Available

1983-02-01T23:59:59.000Z

435

Multi-scale Modeling Approach to Acoustic Emission during Plastic Deformation  

E-Print Network (OSTI)

We address the long standing problem of the origin of acoustic emission commonly observed during plastic deformation. We propose a frame-work to deal with the widely separated time scales of collective dislocation dynamics and elastic degrees of freedom to explain the nature of acoustic emission observed during the Portevin-Le Chatelier effect. The Ananthakrishna model is used as it explains most generic features of the phenomenon. Our results show that while acoustic emission bursts correlated with stress drops are well separated for the type C serrations, these bursts merge to form nearly continuous acoustic signals with overriding bursts for the propagating type A bands.

Jagadish Kumar; G. Ananthakrishna

2011-02-20T23:59:59.000Z

436

Stress-induced patterns in ion-irradiated Silicon: a model based on anisotropic plastic flow  

E-Print Network (OSTI)

We present a model for the effect of stress on thin amorphous films that develop atop ion-irradiated silicon, based on the mechanism of ion-induced anisotropic plastic flow. Using only parameters directly measured or known to high accuracy, the model exhibits remarkably good agreement with the wavelengths of experimentally-observed patterns, and agrees qualitatively with limited data on ripple propagation speed. The predictions of the model are discussed in the context of other mechanisms recently theorized to explain the wavelengths, including extensive comparison with an alternate model of stress.

Scott A. Norris

2012-07-24T23:59:59.000Z

437

The Role of Semifusinite in Plasticity Development for a Coking Coal  

Science Journals Connector (OSTI)

Coal rank is a factor of great importance in plasticity development during carbonization, since only some bituminous coals swell in a satisfactory manner and then resolidify to produce good commercial cokes. ... Diessel studied the carbonization behavior of the inertinite macerals in Australian coals by carrying out tests up to 1000 C where the optical characteristics of the coked entities were correlated with their noncoked counterparts. ... For instance, large-scale coking experiments of some Australian coals containing more than 45% inertinite produced good quality coke, while a Carboniferous coal with that high of an inertinite content gave only a very poor coke. ...

M. Mercedes Maroto-Valer; Darrell N. Taulbee; John M. Andrsen; James C. Hower; Colin E. Snape

1998-08-27T23:59:59.000Z

438

A preliminary systems design study of plastic sabots for small arms  

E-Print Network (OSTI)

Gun Enthusiasts Page 12 Market Dimensions, Market Pererration, and Sales Income for the First Five Years Beginning in 1972 14 Pro Forma for the First Five Years 23 Forces Acting on the Bullet and the Sabot Which Cause Change in 27 Selected...: Dr. Charles A. Rodenberger This st udy is the presentation of a systems engineering approa . ~he development of a new business developing $5, 600, 000 annual gro s sales witnu. '' " vears based on the invention of plastic sabots for small arms. A...

Whitt, Daniel Truett

1971-01-01T23:59:59.000Z

439

Continuous production of liquid reclaimed rubber from ground tire rubber and its application as reactive polymeric plasticizer  

Science Journals Connector (OSTI)

Abstract Liquid reclaimed rubber (LRR) was produced from ground tire rubber (GTR) in a continuous operation by using a co-rotating twin-screw extruder. The effects of reclaiming recipe, screw configuration combination, barrel temperature, and screw speed on the degree of reclamation were investigated. Through the adjustment of these conditions, an LRR with a sol fraction of 73.5% was obtained. Characterizations of the LRR by gel-permeation chromatography (GPC), differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR), and re-vulcanized ability tests showed that the LRR had unique properties low viscosity, good compatibility with natural rubber (NR), and re-vulcanized ability. Because of these properties of LRR, it was used as reactive polymeric plasticizer in NR to replace the conventional oils such as the environmental aromatic oil (EAO) used in this study. The plasticizing effect, acetone extraction, mechanical properties, and thermostability of the LRR/NR compounds were investigated and compared with those of EAO/NR compounds. The results show that the plasticizing efficiency of LRR is somehow lower than that of EAO. In addition, the LRR-plasticized NR has higher tensile strength, modulus at 100% and 300% elongation, hardness, extraction resistance, and thermostability than EAO-plasticized NR.

Jinwei Shi; Hua Zou; Linlin Ding; Xiaolin Li; Kuan Jiang; Tung Chen; Xiaodan Zhang; Liqun Zhang; Dongyun Ren

2014-01-01T23:59:59.000Z

440

Creep Testing Plastic-Bonded Explosives in Uni-axial Compression  

SciTech Connect

High fidelity measurements of time-dependent strain in the plastic-bonded explosives LX-17-1 and PBX 9502 have been performed under constant, uni-axial, compressive load using a custom designed apparatus. The apparatus uses a combination of extensometers and linear variable differential transformers coupled with a data acquisition system, thermal controls, and gravitational loading. The materials being tested consist of a crystalline explosive material mixed with a polymeric binder. The behavior of each material is related to the type of explosive and to the percentage and type of binder. For any given plastic-bonded explosive, the creep behavior is also dependent on the stress level and test temperature. Experiments were conducted using a 3 x 3 stress-temperature matrix with a temperature range of 24 C to 70 C and with stresses ranging from 250-psi to 780-psi. Analysis of the data has shown that logarithmic curve fits provide an accurate means of quantification and facilitate a long-term predictive capability. This paper will discuss the design of the apparatus, experimental results, and analyses.

Gagliardi, F J; Cunningham, B J

2008-03-13T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Design and Implementation of BCM Rule Based on Spike-Timing Dependent Plasticity  

E-Print Network (OSTI)

The Bienenstock-Cooper-Munro (BCM) and Spike Timing-Dependent Plasticity (STDP) rules are two experimentally verified form of synaptic plasticity where the alteration of synaptic weight depends upon the rate and the timing of pre- and post-synaptic firing of action potentials, respectively. Previous studies have reported that under specific conditions, i.e. when a random train of Poissonian distributed spikes are used as inputs, and weight changes occur according to STDP, it has been shown that the BCM rule is an emergent property. Here, the applied STDP rule can be either classical pair-based STDP rule, or the more powerful triplet-based STDP rule. In this paper, we demonstrate the use of two distinct VLSI circuit implementations of STDP to examine whether BCM learning is an emergent property of STDP. These circuits are stimulated with random Poissonian spike trains. The first circuit implements the classical pair-based STDP, while the second circuit realizes a previously described triplet-based STDP rule. T...

Azghadi, Mostafa Rahimi; Iannella, Nicolangelo; Abbott, Derek

2012-01-01T23:59:59.000Z

442

Quenching Factor for Low Energy Nuclear Recoils in a Plastic Scintillator  

E-Print Network (OSTI)

Plastic scintillators are widely used in industry, medicine and scientific research, including nuclear and particle physics. Although one of their most common applications is in neutron detection, experimental data on their response to low-energy nuclear recoils are scarce. Here, the relative scintillation efficiency for neutron-induced nuclear recoils in a polystyrene-based plastic scintillator (UPS-923A) is presented, exploring recoil energies between 125 keV and 850 keV. Monte Carlo simulations, incorporating light collection efficiency and energy resolution effects, are used to generate neutron scattering spectra which are matched to observed distributions of scintillation signals to parameterise the energy-dependent quenching factor. At energies above 300 keV the dependence is reasonably described using the semi-empirical formulation of Birks and a kB factor of (0.014+/-0.002) g/MeVcm^2 has been determined. Below that energy the measured quenching factor falls more steeply than predicted by the Birks formalism.

L. Reichhart; D. Yu. Akimov; H. M. Araujo; E. J. Barnes; V. A. Belov; A. A. Burenkov; V. Chepel; A. Currie; L. DeViveiros; B. Edwards; V. Francis; C. Ghag; A. Hollingsworth; M. Horn; G. E. Kalmus; A. S. Kobyakin; A. G. Kovalenko; V. N. Lebedenko; A. Lindote; M. I. Lopes; R. Luscher; P. Majewski; A. St J. Murphy; F. Neves; S. M. Paling; J. Pinto da Cunha; R. Preece; J. J. Quenby; P. R. Scovell; C. Silva; V. N. Solovov; N. J. T. Smith; P. F. Smith; V. N. Stekhanov; T. J. Sumner; C. Thorne; R. J. Walker

2011-11-09T23:59:59.000Z

443

Deformation-Driven Diffusion and Plastic Flow in Two-Dimensional Amorphous Granular Pillars  

E-Print Network (OSTI)

We report a combined experimental and simulation study of deformation-induced diffusion in compacted two-dimensional amorphous granular pillars, in which thermal fluctuations play negligible role. The pillars, consisting of bidisperse cylindrical acetal plastic particles standing upright on a substrate, are deformed uniaxially and quasistatically by a rigid bar moving at a constant speed. The plastic flow and particle rearrangements in the pillars are characterized by computing the best-fit affine transformation strain and non-affine displacement associated with each particle between two stages of deformation. The non-affine displacement exhibits exponential crossover from ballistic to diffusive behavior with respect to the cumulative deviatoric strain, indicating that in athermal granular packings, the cumulative deviatoric strain plays the role of time in thermal systems and drives effective particle diffusion. We further study the size-dependent deformation of the granular pillars by simulation, and find that different-sized pillars follow self-similar shape evolution during deformation. In addition, the yield stress of the pillars increases linearly with pillar size. Formation of transient shear lines in the pillars during deformation becomes more evident as pillar size increases. The width of these elementary shear bands is about twice the diameter of a particle, and does not vary with pillar size.

Wenbin Li; Jennifer M. Rieser; Andrea J. Liu; Douglas J. Durian; Ju Li

2015-02-04T23:59:59.000Z

444

Observations of a dynamical-to-kinematic diffraction transition in plastically deformed polycrystalline intermetallic YCu  

SciTech Connect

Unlike most intermetallic compounds, polycrystalline YCu, a B2 (CsCl-type) intermetallic, is ductile at room temperature. The mechanisms for this behavior are not fully understood. In situ neutron diffraction was used to investigate whether a stress-induced phase transformation or twinning contribute to the ductility; however, neither mechanism was found to be active in YCu. Surprisingly, this study revealed that the intensities of the diffraction peaks increased after plastic deformation. It is thought that annealing the samples created nearly perfect crystallinity, and subsequent deformation reduced this high degree of lattice coherency, resulting in a modified mosaic structure that decreased or eliminated the extinction effect. Analysis of changes in diffraction peak intensity showed a region of primary plasticity that exhibits significant changes in diffraction behavior. Fully annealed samples initially contain diffracting volumes large enough to follow the dynamical theory of diffraction. When loaded beyond the yield point, dislocation motion disrupts the lattice perfection, and the diffracting volume is reduced to the point that diffraction follows the kinematic theory of diffraction. Since the sample preparation and deformation mechanisms present in this study are common in numerous material systems, this dynamical to kinematic diffraction transition should also be considered in other diffraction experiments. These measurements also suggest the possibility of a new method of investigating structural characteristics. (C) 2014 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.

Williams, Scott H. [Ames Laboratory; Brown, Donald W. [Los Alamos National Laboratory; Clausen, Bjorn [Los Alamos National Laboratory; Russell, Alan [Ames Laboratory; Gschneidner Jr., Karl A. [Ames Laboratory

2014-03-01T23:59:59.000Z

445

Fatigue, fracture, and plastic collapse of offshore tubular joints using BSI PD 6493:1991  

SciTech Connect

The second version of the BSI Document PD 6493, on the assessment of the significance of weld defects on a fitness for purpose basis, was published in 1991. To extend the application of PD 6493 to offshore structures, a major program of research was carried out at a number of UK universities under the title of ``the Defect Assessment Programme`` sponsored by SERC/MTD Ltd. and a number of industrial companies. The program, carried out in the period 1985--1991, provided a specific methodology for the assessment of defects in tubular joints and detailed guidance on the evaluation of parameters required for fatigue and fracture assessments. The methodology includes a combined equation approach to Stress Intensity Factor (SIF) determination based on detailed knowledge of the local and global stress fields, an approach for estimation of the plastic collapse load of cracked tubular joints based on analytical and experimental studies, guidance on treatments of welding residual stresses, and data for application of the partial safety factor approach intended to enable rational treatments of uncertainties in input parameters for fracture assessment. This paper outlines key aspects of the fatigue and fracture procedures, and presents parametric equations required for application of the methodology relating to weld toe effects, degree of bending, and plastic collapse.

Cheaitani, M.J. [Billington Osborne-Moss Engineering Ltd., Maidenhead (United Kingdom); Thurlbeck, S.D. [EQE International Ltd., Warrington (United Kingdom); Burdekin, F.M. [UMIST, Manchester (United Kingdom). Dept. of Civil and Structural Engineering

1995-12-31T23:59:59.000Z

446

Development of catalyst free carbon nanotubes from coal and waste plastics  

SciTech Connect

DC-Arc technique has been used to synthesize carbon nanotubes from super clean coal, chemically cleaned coal, original coal and waste plastics instead of using high purity graphite in the presence of metal catalysts. The results obtained are compared in terms of yield, purity and type of carbon nanotubes produced from different types of raw material used. In the present study different types of raw materials have been prepared i.e. chemically cleaned coal and super clean coal, and the carbon nanotubes have been synthesized by DC Arc discharge method. Taking in account the present need of utilizing coal as a cheaper raw material for bulk production of carbon nanotubes and utilization of waste plastics (which itself is a potential environmental threat) for production of such an advance material the present work was undertaken. Since the process does not involve presence of any kind of metal catalyst, it avoids the cost intensive process of removal of these metal particles. The residual coal obtained after refining has major fuel potential and can be utilized for various purposes.

Dosodia, A.; Lal, C.; Singh, B.P.; Mathur, R.B.; Sharma, D.K. [Indian Institute of Technology, New Delhi (India). Centre of Energy Studies

2009-07-01T23:59:59.000Z

447

Finite element analysis of a crack tip in silicate glass: No evidence for a plastic zone  

Science Journals Connector (OSTI)

Recently, the claim was made that cracks in silicate glasses propagate by the nucleation, growth, and coalescence of cavities at crack tips, which is the same way as in metals but at a much smaller scale. This hypothesis for crack growth is based in part on the measurement of surface displacements near the tip of an emerging crack, which is the point at which a crack front intersects the side surface of the specimen. Surface displacements measured by atomic force microscopy were less than theoretically predicted. The difference between the theoretical and experimental displacements was attributed to a plastic zone surrounding the tip of the moving crack. In this paper, we show that the theoretical analysis used earlier was based on an incorrect assumption about the functional dependence of the displacement with distance from the crack tip. We use a full three-dimensional finite element analysis combined with an asymptotic solution of the crack geometry to obtain a solution to the surface displacement problem. We show that the calculated displacements are fully consistent with those experimentally measured by using an atomic force microscope. No divergence from elastic behavior is observed. Our results support the view that crack propagation in glass is entirely brittle. No evidence for plasticity at the crack tips is obtained.

T. Fett, G. Rizzi, D. Creek, S. Wagner, J. P. Guin, J. M. Lpez-Cepero, and S. M. Wiederhorn

2008-05-15T23:59:59.000Z

448

Supercooled-liquid and plastic-crystalline state in succinonitrile-glutaronitrile mixtures  

E-Print Network (OSTI)

We report a thorough characterization of the glassy phases of mixtures of succinonitrile and glutaronitrile via dielectric spectroscopy and differential scanning calorimetry. This system is revealed to be one of the rare examples where both glassy states of matter, a structurally disordered supercooled liquid and an orientationally disordered plastic crystal, can be prepared in the same material. Both disordered states can be easily supercooled, finally arriving at a structural-glass or a glassy-crystal state. Detailed investigations using broadband dielectric spectroscopy enable a comparison of the glassy dynamics in both phases. Just as previously demonstrated for supercooled-liquid and plastic-crystalline ethanol, our experiments reveal very similar relaxational behavior and glass temperatures of both disordered states. Thus the prominent role of orientational degrees of freedom in the glass transition, suggested on the basis of the findings for ethanol, is fully corroborated by the present work. Moreover, the fragilities of both phases are determined and compared for different mixtures. The findings can be well understood within an energy-landscape based explanation of fragility.

M. Gtz; Th. Bauer; P. Lunkenheimer; A. Loidl

2013-11-06T23:59:59.000Z

449

Feasibility study for a demonstration plant for liquefaction and coprocessing of waste plastics and tires  

SciTech Connect

The results of a feasibility study for a demonstration plant for the liquefaction of waste polymers and the coprocessing of waste polymers with coal are presented. The study was carried out by a committee of participants from five universities, the US DOE Federal Energy Technology Center, and Burns & Roe Corporation. The study included an assessment of current recycling practices, a review of pertinent research, and a survey of feedstock availability. A conceptual design for a demonstration plant was developed and a preliminary economic analysis for various feedstock mixes was carried out. The base case for feedstock scenarios was chosen to be 200 tons per day of waste plastic and 100 tons per day of waste tires. For this base case, the return on investment (ROI) was found to range from 8% to 16% as tipping fees for waste plastic and tires increased over a range comparable to that existing in the US. A number of additional feedstock scenarios that were both more and less profitable were also considered and are briefly discussed.

Huffman, G.P.; Shah, N. [Univ. of Kentucky, Lexington, KY (United States); Shelley, M. [Auburn Univ., AL (United States)] [and others

1998-04-01T23:59:59.000Z

450

Feasibility study for a demonstration plant for liquefaction and coprocessing of waste plastics and tires  

SciTech Connect

The results of a feasibility study for a demonstration plant for the liquefaction of waste polymers and the coprocessing of waste polymers with coal are presented. The study was carried out by a committee of participants from five universities, the US DOE Federal Energy Technology Center, and Burns and Roe Corporation. The study included an assessment of current recycling practices, a review of pertinent research, and a survey of feedstock availability. A conceptual design for a demonstration plant was developed and a preliminary economic analysis for various feedstock mixes was carried out. The base case for feedstock scenarios was chosen to be 200 tons per day of waste plastic and 200 tons per day of waste tires. For this base case, the return on investment (ROI) was found to range from 8% to 16% as tipping fees for waste plastic and tires increased over a range comparable to that existing in the US. A number of additional feedstock scenarios that were both more and less profitable were also considered and are briefly discussed.

Huffman, G.P.; Shah, N.; Shelley, M.; El-Halwagi, M.; Schindler, H.; Eastman, M.

1998-07-01T23:59:59.000Z

451

Formulation and computational aspects of plasticity and damage models with application to quasi-brittle materials  

SciTech Connect

The response of underground structures and transportation facilities under various external loadings and environments is critical for human safety as well as environmental protection. Since quasi-brittle materials such as concrete and rock are commonly used for underground construction, the constitutive modeling of these engineering materials, including post-limit behaviors, is one of the most important aspects in safety assessment. From experimental, theoretical, and computational points of view, this report considers the constitutive modeling of quasi-brittle materials in general and concentrates on concrete in particular. Based on the internal variable theory of thermodynamics, the general formulations of plasticity and damage models are given to simulate two distinct modes of microstructural changes, inelastic flow and degradation of material strength and stiffness, that identify the phenomenological nonlinear behaviors of quasi-brittle materials. The computational aspects of plasticity and damage models are explored with respect to their effects on structural analyses. Specific constitutive models are then developed in a systematic manner according to the degree of completeness. A comprehensive literature survey is made to provide the up-to-date information on prediction of structural failures, which can serve as a reference for future research.

Chen, Z.; Schreyer, H.L. [New Mexico Engineering Research Institute, Albuquerque, NM (United States)

1995-09-01T23:59:59.000Z

452

Preparation of Wood Plastic Composite Sheets by Lateral Extrusion of Solid Woods Using their Fluidity  

Science Journals Connector (OSTI)

Abstract During the course of our studies, we have learned that solid wood has significant deformability characteristics under specific conditions, resulting from slippage occurring among wood cells when wood treated with small-molecular resins is compressed under heat. Furthermore, the deformed shapes obtained are maintained when the resin introduced into the wood cells is cured. In this study, the lateral extrusion of thin discs of wood treated with thermosetting phenol resin is performed to apply this flowlike deformation behavior of wood to wood-forming techniques. Resin-treated thin discs of wood placed in a heating container were compressed by a punch, and under constant pressure the wood flowed into the cavity of a mold. Successful molding conditions were achieved by varying the pressure, temperature and wood fiber direction for the extrusion ratio of 42. The mechanical properties of the wood plastic composite (WPC) sheets obtained by this extrusion process are affected by the fiber direction of the wood in the extrudate, which is almost equivalent to the longitudinal direction of the cellulose crystals of wood. The maximum bending strength of the WPC sheets obtained was about 180MPa, which is suitable for engineering plastics.

Tsunehisa Miki; Masako Seki; Soichi Tanaka; Nobuo Sobue; Ichinori Shigematsu; Kozo Kanayama

2014-01-01T23:59:59.000Z

453

Plastic energy dissipation model for lifetime prediction of zirconium and zircaloy-4 fatigued at RT and 400 C  

SciTech Connect

Zirconium and zircaloy-4 are generally used as fuel tubes in pressurized heavy water reactors because of their low neutron absorption cross-section, excellent corrosion resistance, good strength and ductility. Low cycle fatigue properties of zirconium and zircaloy-4 were investigated at RT and 400 C. The microscopic structure was determined using scanning electron microscopy and transmission electron microscopy techniques. On the basis of analyses of fatigue damage mechanism, it is believed that fatigue is an irreversible energy dissipation process. Thus, the plastic dissipation energy per cycle is selected as a fatigue damage variable. The accumulated plastic dissipation energy is calculated at the condition of considering cyclic hardening, saturation and softening characters of zirconium and zircaloy-4 during cycling. The testing results show that they present a power law between the plastic dissipation energy and fatigue lifetime.

Lin, X.; Haicheng, G. [Xi`an Jiaotong Univ. (China). State Key Lab. for Mechanical Behavior of Materials

1998-04-01T23:59:59.000Z

454

Investigation of viscoelastic effect of moulding compound on the warpage and stresses of a power plastic package  

Science Journals Connector (OSTI)

In this paper, the creep deformation behaviour of a plastic power package under a thermal load condition was investigated by using a non-linear finite element technique coupled with a high-density laser moiré interferometry. The real-time moiré interferometry technique was used to monitor and measure the time-dependent deformation of the plastic power package during the test, while the finite element method was adapted to analyse the variation of stresses at the edges of all interfaces with time due to the viscoelastic properties of the molding compound. The results show that there does exist the obvious time-dependent deformation in the plastic power package under the thermal load due to the creep behaviour of the molding compound. The maximum steady state U-displacement is reduced by up to 21% compared with the maximum initial one. Likewise, the maximum steady state V-displacement is also reduced by up to 20% compared with the maximum initial state V-displacement. The creep deformation in the molding compound weakens the warpage situation of the plastic power package. In particular, such deformation greatly relieves part of the stresses at the edges of all interfaces and thereby effectively prevents interfaces from cracking. In addition, the predicted deformations of the plastic power package obtained from the finite element analysis were compared with the test data obtained from the laser moiré interferometry technique. It is shown that the deformations of the plastic power package predicted from the finite element analysis are in a fair agreement with those obtained from the test when the viscoelastic behaviour of the molding compound was considered.

Jianjun Wang; Daqing Zou; Sheng Liu

1999-01-01T23:59:59.000Z

455

Growth, grain yield, and water use efficiency of rain-fed spring hybrid millet (Setaria italica) in plastic-mulched and unmulched fields  

Science Journals Connector (OSTI)

Abstract In order to analyze the effect of plastic mulching on water use efficiency of spring hybrid millet (Setaria italica), field experiments were conducted during the 2012 growing season, at an experimental station located in a semi-arid region of North China. Four treatments were applied: (i) plastic mulching of ridges and furrow sowing (T1), (ii) ridges and furrows without plastic mulch (T0), (iii) flat soil with plastic mulch (A1), and (iv) flat soil with no plastic mulch (A0) (control). Dynamics of soil moisture and soil temperature, together with crop growth, were monitored continuously in both mulched and unmulched fields. Changes in water consumption, soil temperature, and plant growth and development were analyzed. Results indicated that plastic mulching produced a 25-day advance in emergence of each growth stage. Soil temperature at 015cm depth increased by 1.25C and 0.84C under mulched treatments A1 and T1, respectively, while soil water content at a depth of 010cm increased by 1.42% and 1.29% in the same treatments. Leaf area index and plant height were also significantly higher in plastic-mulched treatments, except in later growth stages. Because plastic mulching improved tiller and ear numbers significantly, grain yield increased by 13.25% and 6.64%, in Al and T1 treatments, respectively. Water use efficiency at yield levels of plastic-mulched A1 and T1 plots was 24.44% and 3.6% higher than in unmulched flat and furrowed plots, respectively. Plastic mulching significantly reduced water consumption, retained soil water content, and increased soil temperature, to promote spring hybrid millet germination, and increased tiller numbers, and consequently, aboveground dry matter; it eventually significantly improved grain yield and water use efficiency. Plastic film mulching produced greater grain yield, water use efficiency, and benefits when used in flat planting patterns.

Baodi Dong; Mengyu Liu; Jingwei Jiang; Changhai Shi; Xiaoming Wang; Yunzhou Qiao; Yueyan Liu; Zhihai Zhao; Dongxiao li; Fuyan Si

2014-01-01T23:59:59.000Z

456

Preparation and use of polymeric materials containing hydrophobic anions and plasticizers for separation of cesium and strontium  

DOE Patents (OSTI)

Preparation and use is described for polymeric materials containing hydrophobic anions and plasticizers for extraction of cesium and strontium. The use of polymeric materials containing plasticizers which are solvents for hydrophobic anions such as derivatives of cobalt dicarbollide or tetraphenylborate which are capable of extracting cesium and strontium ions from aqueous solutions in contact with the polymeric materials, is described. The polymeric material may also include a synergistic agent for a given ion like polyethylene glycol or a crown ether, for removal of radioactive isotopes of cesium and strontium from solutions of diverse composition and, in particular, for solutions containing large excess of sodium nitrate.

Abney, K.D.; Kinkead, S.A.; Mason, C.F.V.; Rais, J.

1997-09-09T23:59:59.000Z

457

Preparation and use of polymeric materials containing hydrophobic anions and plasticizers for separation of cesium and strontium  

DOE Patents (OSTI)

Preparation and use of polymeric materials containing hydrophobic anions and plasticizers for extraction of cesium and strontium. The use of polymeric materials containing plasticizers which are solvents for hydrophobic anions such as derivatives of cobalt dicarbollide or tetraphenylborate which are capable of extracting cesium and strontium ions from aqueous solutions in contact with the polymeric materials, is described. The polymeric material may also include a synergistic agent for a given ion like polyethylene glycol or a crown ether, for removal of radioactive isotopes of cesium and strontium from solutions of diverse composition and, in particular, for solutions containing large excess of sodium nitrate.

Abney, Kent D. (30 San Juan St., Los Alamos, NM 87544); Kinkead, Scott A. (70 Canada Cir., Los Alamos, NM 87544); Mason, Caroline F. V. (148 Piedra Loop, Los Alamos, NM 87544); Rais, Jiri (Fr. Krizka 11, 17000 Praha 7, CZ)

1997-01-01T23:59:59.000Z

458

Plastic bottle oscillator as an on-off-type oscillator: Experiments, modeling, and stability analyses of single and coupled systems  

Science Journals Connector (OSTI)

An oscillatory system called a plastic bottle oscillator is studied, in which the downflow of water and upflow of air alternate periodically in an upside-down plastic bottle containing water. It is demonstrated that a coupled two-bottle system exhibits in- and antiphase synchronization according to the nature of coupling. A simple ordinary differential equation is deduced to interpret the characteristics of a single oscillator. This model is also extended to coupled oscillators, and the model reproduces the essential features of the experimental observations.

Masahiro I. Kohira; Hiroyuki Kitahata; Nobuyuki Magome; Kenichi Yoshikawa

2012-02-03T23:59:59.000Z

459

A large area plastic scintillator detector array for fast neutron measurements  

E-Print Network (OSTI)

A large area plastic scintillator detector array(~ 1 m x1m) has been set up for fast neutron spectroscopy at the BARC-TIFR Pelletron laboratory, Mumbai. The energy, time and position response has been measured for electrons using radioactive sources and for mono-energetic neutrons using the 7Li(p,n1)7Be*(0.429 MeV) reaction at proton energies between 6.3 and 19 MeV. A Monte Carlo simulation of the energy dependent efficiency of the array for neutron detection is in agreement with the 7Li(p,n1) measurements. The array has been used to measure the neutron spectrum, in the energy range of 4-12 MeV, in the reaction 12C+ 93Nb at E(12C)= 40 MeV. This is in reasonable agreement with a statistical model calculation.

P. C. Rout; D. R. Chakrabarty; V. M. Datar; Suresh Kumar; E. T. Mirgule; A. Mitra; V. Nanal; R. Kujur

2008-09-04T23:59:59.000Z

460

Fatigue crack propagation in a quasi one-dimensional elasto-plastic model  

E-Print Network (OSTI)

Fatigue crack advance induced by the application of cyclic quasistatic loads is investigated both numerically and analytically using a lattice spring model. The system has a quasi-one-dimensional geometry, and consists in two symmetrical chains that are pulled apart, thus breaking springs which connect them, and producing the advance of a crack. Quasistatic crack advance occurs as a consequence of the plasticity included in the springs which form the chains, and that implies a history dependent stress-strain curve for each spring. The continuous limit of the model allows a detailed analytical treatment that gives physical insight of the propagation mechanism. This simple model captures key features that cause well known phenomenology in fatigue crack propagation, in particular a Paris-like law of crack advance under cyclic loading, and the overload retardation effect.

Toms M. Guozden; Eduardo A. Jagla

2012-06-27T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Capacitance probe for detection of anomalies in non-metallic plastic pipe  

DOE Patents (OSTI)

The disclosure relates to analysis of materials using a capacitive sensor to detect anomalies through comparison of measured capacitances. The capacitive sensor is used in conjunction with a capacitance measurement device, a location device, and a processor in order to generate a capacitance versus location output which may be inspected for the detection and localization of anomalies within the material under test. The components may be carried as payload on an inspection vehicle which may traverse through a pipe interior, allowing evaluation of nonmetallic or plastic pipes when the piping exterior is not accessible. In an embodiment, supporting components are solid-state devices powered by a low voltage on-board power supply, providing for use in environments where voltage levels may be restricted.

Mathur, Mahendra P. (Pittsburgh, PA); Spenik, James L. (Morgantown, WV); Condon, Christopher M. (Morgantown, WV); Anderson, Rodney (Grafton, WV); Driscoll, Daniel J. (Morgantown, WV); Fincham, Jr., William L. (Fairmont, WV); Monazam, Esmail R. (Morgantown, WV)

2010-11-23T23:59:59.000Z

462

Recovery of valuable chemical feedstocks from waste automotive plastics via pyrolysis processes  

SciTech Connect

Each year in North America over 9 million scrap vehicles are shredded to recover approximately 10 million tons of ferrous metal. The process also produces 3 million tons of waste known as automobile shredder residue (ASR) which consists of plastics, rubber, foams, textiles, glass, dirt, rust, etc. This waste is currently landfilled. In this study the authors present the results obtained in three different pyrolysis processes when ASR was used as the pyrolysis feedstock. The pyrolysis processes examined included: (1) a fast pyrolysis process, featuring rapid heat transfer and short residence times. This process produced primarily a gas stream that was rich in C{sub 1} to C{sub 3} hydrocarbons; (2) a screw kiln unit, characterized by slow heating and long residence times. This process produced a liquid stream that was high in aromatics; (3) a bench-scale autoclave reactor which, in the presence of water, produced a pyrolysis liquid containing large quantities of oxygenated hydrocarbons.

Shen, Z.; Day, M.; Cooney, D. [National Research Council Canada, Ottawa, Ontario (Canada). Inst. for Environmental Research and Technology

1995-11-01T23:59:59.000Z

463

Copper coated carbon fiber reinforced plastics for high and ultra high vacuum applications  

E-Print Network (OSTI)

We have used copper-coated carbon fiber reinforced plastic (CuCFRP) for the construction of high and ultra-high vacuum recipients. The vacuum performance is found to be comparable to typical stainless steel used for this purpose. In test recipients we have reached pressures of 2E-8 mbar and measured a desorption rate of 1E-11 mbar*liter/s/cm^2; no degradation over time (2 years) has been found. Suitability for baking has been found to depend on the CFRP production process, presumably on the temperature of the autoclave curing. Together with other unique properties of CuCFRP such as low weight and being nearly non-magnetic, this makes it an ideal material for many high-end vacuum applications.

Burri, F; Feusi, P; Henneck, R; Kirch, K; Lauss, B; Ruettimann, P; Schmidt-Wellenburg, P; Schnabel, A; Voigt, J; Zenner, J; Zsigmond, G

2013-01-01T23:59:59.000Z

464

Structural Plasticity Underpins Promiscuous Binding of the Prosurvival Protein A1  

SciTech Connect

Apoptotic pathways are regulated by protein-protein interactions. Interaction of the BH3 domains of proapoptotic Bcl-2 family proteins with the hydrophobic groove of prosurvival proteins is critical. Whereas some BH3 domains bind in a promiscuous manner, others exhibit considerable selectivity and the sequence characteristics that distinguish these activities are unclear. In this study, crystal structures of complexes between the prosurvival protein A1 and the BH3 domains from Puma, Bmf, Bak, and Bid have been solved. The structure of A1 is similar to that of other prosurvival proteins, although features, such as an acidic patch in the binding groove, may allow specific therapeutic modulation of apoptosis. Significant conformational plasticity was observed in the intermolecular interactions and these differences explain some of the variation in affinity. This study, in combination with published data, suggests that interactions between conserved residues demarcate optimal binding.

Smits,C.; Czabotar, P.; Hinds, M.; Day, C.

2008-01-01T23:59:59.000Z

465

Analysis of a ceramic filled bio-plastic composite sandwich structure  

SciTech Connect

Design and analysis of a ceramic-filled bio-plastic composite sandwich structure is presented. This proposed high-dielectric structure is used as a substrate for patch antennas. A meandered-strip line-fed fractal-shape patch antenna is designed and fabricated on a copper-laminated sandwich-structured substrate. Measurement results of this antenna show 44% and 20% of bandwidths with maximum gains of 3.45 dBi and 5.87 dBi for the lower and upper bands, respectively. The half-power beam widths of 104 and 78 have been observed from the measured radiation pattern at the two resonance frequencies 0.9 GHz and 2.5?GHz.

Habib Ullah, M. [Institute of Space Science (ANGKASA), Universiti Kebangsaan Malaysia, Bangi Selangor 43600 (Malaysia) [Institute of Space Science (ANGKASA), Universiti Kebangsaan Malaysia, Bangi Selangor 43600 (Malaysia); Department of Electrical, Electronic and System Engineering, Universiti Kebangsaan Malaysia, Bangi 43600 (Malaysia); Islam, M. T. [Institute of Space Science (ANGKASA), Universiti Kebangsaan Malaysia, Bangi Selangor 43600 (Malaysia)] [Institute of Space Science (ANGKASA), Universiti Kebangsaan Malaysia, Bangi Selangor 43600 (Malaysia)

2013-11-25T23:59:59.000Z

466

Task 3 - pyrolysis of plastic waste. Semi-annual report, April 1--September 30, 1996  

SciTech Connect

This report briefly describes progress in the development of a thermal decomposition process for volume reduction of spent ion-exchange resin. During the reporting period, two series of tests were performed. The mixed waste plastics test investigated the effectiveness of the process in concentrating radionuclide surrogates in a solids residual while yielding a surrogate-free condensate product. Preliminary results indicated the occurrence of solids carryover. The ion-exchange resin tests resulted in a cesium concentration in the unfiltered condensate of about 4 to 20 micrograms/gram, indicating that fine particulate material was passing through the reactor cyclone. Future work includes the evaluation of an auger reactor in place of the fluidized bed reactor to address the problem of reactor carryover. 2 figs., 7 tabs.

NONE

1997-05-01T23:59:59.000Z

467

Hugoniot and mean ionization of laser-shocked Ge-doped plastic  

SciTech Connect

Pressure, density, temperature, and reflectivity measurements along the principal Hugoniot of Ge-doped plastics used in Inertial Confinement Fusion capsules surrogates were obtained to pressures reaching up to 7 Mbar and compared to Quotidian Equation of State models. The experiment was performed using the GEKKO XII laser at the Institute of Laser Engineering at Osaka University in Japan. High precision measurements of pressure and density were obtained using a quartz standard and found to be in good agreement with theoretical Hugoniot curves. Modeling of reflectivity measurements show that shocked samples can be described as poor metals and that mean ionization calculated within the frame of QEOS is overestimated. Similarly, shock temperatures were found to be below theoretical Hugoniot curves.

Huser, G.; Salin, G.; Galmiche, D. [CEA, DAM, DIF, Bruyres-le-Chtel, F-91297 Arpajon (France)] [CEA, DAM, DIF, Bruyres-le-Chtel, F-91297 Arpajon (France); Ozaki, N.; Kodama, R. [Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan) [Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan); Photons Pioneers Center, Osaka University, Suita, Osaka 565-0871 (Japan); Sano, T.; Sakawa, Y. [Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871 (Japan)] [Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871 (Japan); Miyanishi, K.; Asaumi, Y.; Kita, M.; Kondo, Y.; Nakatsuka, K.; Uranishi, H.; Yang, T.; Yokoyama, N. [Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan)] [Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan)

2013-12-15T23:59:59.000Z

468

A comparative study on shock compression of nanocrystalline Al and Cu: Shock profiles and microscopic views of plasticity  

SciTech Connect

Shock compressions of nanocrystalline (nc) metals Al and Cu with the same grain size and texture are studied by using molecular dynamics simulations. Results have revealed that the shock front of both Al and Cu can be divided into three stages: elastic, grain-boundary-mediated, and dislocation-mediated plastic deformation. The transition planes among these three stages are proven to be non-planar by two-dimensional shock response analysis, including local stress, shear, temperature, and atom configuration. The difference between shocked Al and Cu is that the rise rate of the elastic stage of Cu is slightly higher than that of Al, and that the shock-front width of Al is wider than Cu at the same loading conditions. For the plastic stage, the dislocation density of shocked Al is lower than Cu, and the contribution of grain-boundary-mediated plasticity to shock front and strain for nc Al is more pronounced than for nc Cu. These results are explained through intrinsic material properties and atomistic analysis of the plastic process. In the case of the shocked Al sample, partial dislocations, perfect dislocations, and twins are observed, but few evidence of perfect dislocations and twins are observed in the shocked Cu.

Ma, Wen; Hou, Yong [Department of Physics, College of Science, National University of Defense Technology, Changsha 410073 (China)] [Department of Physics, College of Science, National University of Defense Technology, Changsha 410073 (China); Zhu, Wenjun [National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, P.O. Box 919-111, Mianyang 621900 (China)] [National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, P.O. Box 919-111, Mianyang 621900 (China)

2013-10-28T23:59:59.000Z

469

Flexible Solar-Energy Harvesting System on Plastic with Thin-film LC Oscillators Operating Above ft for  

E-Print Network (OSTI)

Flexible Solar-Energy Harvesting System on Plastic with Thin-film LC Oscillators Operating Above ft- This paper presents an energy-harvesting system consisting of amorphous-silicon (a-Si) solar cells and thin of the energy-harvesting system. The solar module consists of solar cells in series operating at an output

470

Effect of atomic scale plasticity on hydrogen diffusion in iron: Quantum mechanically informed and on-the-fly kinetic  

E-Print Network (OSTI)

viewpoints, is futile. Among several mechanisms proposed for hydrogen embrittlement (HE) of metals, hydrogenEffect of atomic scale plasticity on hydrogen diffusion in iron: Quantum mechanically informed-assisted diffusion and trapping of hydrogen by crystalline defects in iron. Given an embedded atom (EAM) potential

Ortiz, Michael

471

Plasticity of the human brain " We never use the same brain twice" Arno Villringer and Burkhard Pleger  

E-Print Network (OSTI)

Plasticity of the human brain " We never use the same brain twice" Arno Villringer and Burkhard Pleger Max Planck Institute for Human Brain and Cognitive Sciences, Leipzig Summary With the advent of noninvasive neuroimaging the human brain has become accessible for invivo

472

A cell-centered Lagrangian finite volume approach for computing elasto-plastic response of solids in cylindrical axisymmetric geometries  

Science Journals Connector (OSTI)

A finite volume cell-centered Lagrangian formulation is presented for solving large deformation problems in cylindrical axisymmetric geometries. Since solid materials can sustain significant shear deformation, evolution equations for stress and strain ... Keywords: Axisymmetric geometries, Cell-centered, Elasto-plastic, Finite volume, Hydrodynamics, Hypo-elastic, Lagrangian, Material strength, Mimetic, Solid mechanics

Shiv Kumar Sambasivan; Mikhail J. Shashkov; Donald E. Burton

2013-03-01T23:59:59.000Z

473

RosettaDesign-Plastic: designing a moving target using backbone and rotamer ensembles. Christian D. Schenkelberg1, Derek J. Pitman1, Alisa Neeman2, Yao-ming Huang3, Christopher  

E-Print Network (OSTI)

RosettaDesign-Plastic: designing a moving target using backbone and rotamer ensembles. Christian D computational design, we have implemented a design scheme termed "plastic" design which incorporates elements of these existing backbone flexibility models. Plastic design involves designing a protein primary sequence

Bystroff, Chris

474

Supporting Context Changes for Plastic User Interfaces: a Process and a Mechanism, in Proc. HCI-IHM 2001, A. Blandford, J. Vanderdonckt, P. Gray Eds.,BCS conference series, Springer Publ., pp. 349-363.  

E-Print Network (OSTI)

Supporting Context Changes for Plastic User Interfaces: a Process and a Mechanism, in Proc. HCI-363. Supporting Context Changes for Plastic User Interfaces: a Process and a Mechanism G. Calvary, J. Coutaz, D. A user interface is plastic if it is able to adapt to context changes while preserving usability

Nigay, Laurence

475

Please cite this article in press as: Will B, et al., The concept of brain plasticity--Paillard's systemic analysis and emphasis on structure and function (followed by the translation of a seminal paper by Paillard on plasticity), Behav Brain Res (2008),  

E-Print Network (OSTI)

Please cite this article in press as: Will B, et al., The concept of brain plasticity by Paillard on plasticity), Behav Brain Res (2008), doi:10.1016/j.bbr.2007.11.008 ARTICLE IN PRESS+Model BBR-5302; No.of Pages10 Available online at www.sciencedirect.com Behavioural Brain Research xxx (2008) xxx

Hickman, Mark

476

Extraction of depth-dependent perturbation factors for silicon diodes using a plastic scintillation detector  

SciTech Connect

Purpose: This work presents the experimental extraction of the perturbation factor in megavoltage electron beams for three models of silicon diodes (IBA Dosimetry, EFD and SFD, and the PTW 60012 unshielded) using a plastic scintillation detector (PSD). Methods: The authors used a single scanning PSD mounted on a high-precision scanning tank to measure depth-dose curves in 6-, 12-, and 18-MeV clinical electron beams. They also measured depth-dose curves using the IBA Dosimetry, EFD and SFD, and the PTW 60012 unshielded diodes. The authors used the depth-dose curves measured with the PSD as a perturbation-free reference to extract the perturbation factors of the diodes. Results: The authors found that the perturbation factors for the diodes increased substantially with depth, especially for low-energy electron beams. The experimental results show the same trend as published Monte Carlo simulation results for the EFD diode; however, the perturbations measured experimentally were greater. They found that using an effective point of measurement (EPOM) placed slightly away from the source reduced the variation of perturbation factors with depth and that the optimal EPOM appears to be energy dependent. Conclusions: The manufacturer recommended EPOM appears to be incorrect at low electron energy (6 MeV). In addition, the perturbation factors for diodes may be greater than predicted by Monte Carlo simulations.

Lacroix, Frederic; Guillot, Mathieu; McEwen, Malcolm; Gingras, Luc; Beaulieu, Luc [Departement de Radio-Oncologie, Centre hospitalier de l'Universite de Montreal (CHUM), 1560 Sherbrooke est, Montreal, Quebec H2L 4M1, Canada and Departement de Physique, Universite de Montreal, Pavillon Roger-Gaudry (D-428), 2900 Boul. Edouard-Montpetit, Montreal, Quebec H3T 1J4 (Canada); Departement de Physique, de Genie Physique et d'Optique, Universite Laval, Quebec G1K 7P4, Quebec, Canada and Departement de Radio-Oncologie, Hotel-Dieu de Quebec, Centre hospitalier universitaire de Quebec (CHUQ), Quebec, Quebec G1R 2J6 (Canada); Ionizing Radiation Standards, Institute for National Measurement Standards, National Research Council (NRC), Ottawa, Ontario K1A 0R6 (Canada); Departement de Physique, de Genie Physique et d'Optique, Universite Laval, Quebec G1K 7P4, Quebec, Canada and Departement de Radio-Oncologie, Hotel-Dieu de Quebec, Centre hospitalier universitaire de Quebec (CHUQ), Quebec, Quebec G1R 2J6 (Canada)

2011-10-15T23:59:59.000Z

477

Compressive strength, plastic flow properties, and surface frictional effects of 1100, 3003 and 6061 aluminum alloys  

SciTech Connect

The purpose of this study is to find aluminum alloys that are effective for use as wire vacuum seals in the 800MeV particle accelerator located at the Louis Anderson Meson Physics Facility (LAMPF) in Los Alamos, NM. Three alloys, Al 1100, Al 3003, and Al 6061, are investigated under uniaxial compression to determine stresses for a given height reduction from 0 to 70 percent, and to find plastic flow and surface interaction effects. Right-circular cylindrical specimens are compressed on-end (cylindrically) and radially (for modeling as compressed wire). Aluminum 1100 and 3003 alloys are compared for length to diameter ratios of 1 and 2 for both compression types, and are then compared to results of radial compression of annealed small diameter Al 1100 wire currently used at LAMPE. The specimens are also compressed between three different platen surfaces, polished steel, etched steel, and aluminum 6061-T6, to determine effects of friction. The Al 3003 alloy exhibits 20 to 25% lower stresses at all height reductions than Al 1100 for both cylindrical and radial compression.

Pinkerton, G.W.

1993-12-31T23:59:59.000Z

478

Pilot-scale pressurized base hydrolysis of HMX plastic-bonded explosives  

SciTech Connect

A pilot-scale, pressurized, base hydrolysis reactor has been designed and its construction is nearly completed. Up to 120 L of 1--6 M NaOH aqueous solutions will convert as much as 25 kg of consolidated, explosive pieces to non-energetic compounds. Temperatures approaching 155 C in the pressurized unit will reduce reaction times significantly for the destruction of plastic-bonded explosives compared to previous atmospheric-pressure reactors. The hydrolysis effluent is then pumped into a holding tank where it is fed into a hydrothermal oxidation reactor for complete destruction to non-hazardous products. The hydrothermal unit operates at 480 C and 100 MPa and hydrogen peroxide fed into the reactor at two points will ensure complete destruction of all organic species and nitrogen-containing salts. The entire system is comprised of eight major components and is assembled on five separate and transportable skids. Following construction and preliminary testing at Los Alamos National Laboratory, the unit will be shipped to the Pantex Plant where it will be used for continuous demilitarization activities.

Larson, S.A.; Brewer, G.R.; Harradine, D.M.; Polston, C.E.; Le, L.A.; Bishop, R.L.; Dell`Orco, P.C.; Flesner, R.L.

1998-12-31T23:59:59.000Z

479

Chemical compatibility screening results of plastic packaging to mixed waste simulants  

SciTech Connect

We have developed a chemical compatibility program for evaluating transportation packaging components for transporting mixed waste forms. We have performed the first phase of this experimental program to determine the effects of simulant mixed wastes on packaging materials. This effort involved the screening of 10 plastic materials in four liquid mixed waste simulants. The testing protocol involved exposing the respective materials to {approximately}3 kGy of gamma radiation followed by 14 day exposures to the waste simulants of 60 C. The seal materials or rubbers were tested using VTR (vapor transport rate) measurements while the liner materials were tested using specific gravity as a metric. For these tests, a screening criteria of {approximately}1 g/m{sup 2}/hr for VTR and a specific gravity change of 10% was used. It was concluded that while all seal materials passed exposure to the aqueous simulant mixed waste, EPDM and SBR had the lowest VTRs. In the chlorinated hydrocarbon simulant mixed waste, only VITON passed the screening tests. In both the simulant scintillation fluid mixed waste and the ketone mixture simulant mixed waste, none of the seal materials met the screening criteria. It is anticipated that those materials with the lowest VTRs will be evaluated in the comprehensive phase of the program. For specific gravity testing of liner materials the data showed that while all materials with the exception of polypropylene passed the screening criteria, Kel-F, HDPE, and XLPE were found to offer the greatest resistance to the combination of radiation and chemicals.

Nigrey, P.J.; Dickens, T.G.

1995-12-01T23:59:59.000Z

480

Effects of binder concentration on the properties of plastic-bonded explosives  

SciTech Connect

A series of plastic-bonded explosives (PBX) has been formulated with more binder than is normally contained in high-energy formulations. Adding a relatively small amount of binder to a material such as PBX 9501 (95/2.5/1.25/1.25 wt % HMX/Estane/BDNPA/BDNPF (the BDNPA and BDNPF form a eutectic that is frequently called simply the eutectic)) was found to decrease the shock sensitivity while not decreasing the energy of the explosive. The best compromise for a PBX 9501-type material contains about 92 wt % HMX. Adding additional binder does not continue to decrease the gap sensitivity of the formulation; however, the energy of the PBX decreases as expected. The higher-binder formulations are of potential use because of the possibility of formulating a PBX with energy similar to TATB formulations, such as PBX 9502 (95/5 wt % TATB/Kel-F 800), and with a higher strain to failure. 2 refs., 4 figs., 1 tab.

Steele, R.D.; Stretz, L.A.; Taylor, G.W.; Rivera, T.

1989-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "b-100 bone-equivalent plastic" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

DLTS Study of plastically deformed copper-doped n-type germanium  

SciTech Connect

Classical deep level transient spectroscopy (DLTS) and its modification are used to study the time constants of electron capture by substitutional Cu{sub s}{sup 2-} atoms and thermal electron emission from Cu{sub s}{sup 3-} atoms in plastically deformed Cu-doped n-type germanium. The activation energy E{sub {sigma}}, the electron capture cross-section, the energy E{sub 3} of the third acceptor level of Cu{sub s/3-} atoms, and the ionization entropy are determined. The lack of E{sub 3}-level broadening, the exponential capture kinetics for a filling-pulse duration of t{sub p} Less-Than-Or-Equivalent-To 1 ms, the fact that the Cu{sub s/2-/3-}-atom recombination parameters are independent of the dislocation density, and the low concentration of Cu{sub s/2-/3-} atoms in the deformed samples suggest that the DLTS spectra are due to Cu{sub s/2-/3-} atoms located outside the Read cylinders.

Shevchenko, S. A., E-mail: shevchen@issp.ac.ru; Kolyubakin, A. I. [Russian Academy of Sciences, Institute of Solid State Physics (Russian Federation)

2013-06-15T23:59:59.000Z

482

Development of High Precision Timing Counter Based on Plastic Scintillator with SiPM Readout  

E-Print Network (OSTI)

High-time-resolution counters based on plastic scintillator with silicon photomultiplier (SiPM) readout have been developed for applications to high energy physics experiments for which relatively large-sized counters are required. We have studied counter sizes up to $120\\times40\\times5$ mm^3 with series connection of multiple SiPMs to increase the sensitive area and thus achieve better time resolution. A readout scheme with analog shaping and digital waveform analysis is optimized to achieve the highest time resolution. The timing performance is measured using electrons from a Sr-90 radioactive source, comparing different scintillators, counter dimensions, and types of near-ultraviolet sensitive SiPMs. As a result, a resolution of $\\sigma =42 \\pm 2$ ps at 1 MeV energy deposition is obtained for counter size $60\\times 30 \\times 5$ mm^3 with three SiPMs ($3\\times3$ mm^2 each) at each end of the scintillator. The time resolution improves with the number of photons detected by the SiPMs. The SiPMs from Hamamatsu Photonics give the best time resolution because of their high photon detection efficiency in the near-ultraviolet region. Further improvement is possible by increasing the number of SiPMs attached to the scintillator.

Paolo W. Cattaneo; Matteo De Gerone; Flavio Gatti; Miki Nishimura; Wataru Ootani; Massimo Rossella; Yusuke Uchiyama

2014-08-11T23:59:59.000Z

483

Clean, agile alternative binders, additives and plasticizers for propellant and explosive formulations  

SciTech Connect

As part of the Strategic Environmental Research and Development Program (SERDP) a clean, agile manufacturing of explosives, propellants and pyrotechniques (CANPEP) effort set about to identify new approaches to materials and processes for producing propellants, explosives and pyrotechniques (PEP). The RDX based explosive PBXN-109 and gun propellant M-43 were identified as candidates for which waste minimization and recycling modifications might be implemented in a short time frame. The binders, additives and plasticizers subgroup identified cast non-curable thermoplastic elastomer (TPE) formulations as possible replacement candidates for these formulations. Paste extrudable explosives were also suggested as viable alternatives to PBXN-109. Commercial inert and energetic TPEs are reviewed. Biodegradable and hydrolyzable binders are discussed. The applicability of various types of explosive formulations are reviewed and some issues associated with implementation of recyclable formulations are identified. It is clear that some processing and weaponization modifications will need to be made if any of these approaches are to be implemented. The major advantages of formulations suggested here over PBXN-109 and M-43 is their reuse/recyclability. Formulations using TPE or Paste could by recovered from a generic bomb or propellant and reused if they met specification or easily reprocessed and sold to the mining industry.

Hoffman, D.M. [Lawrence Livermore National Lab., CA (United States); Hawkins, T.W. [Phillips Lab., Edwards AFB, CA (United States); Lindsay, G.A. [Naval Weapons Station, China Lake, CA (United States)] [and others

1994-12-01T23:59:59.000Z

484

The plasticity of human breast carcinoma cells is more than epithelial to mesenchymal conversion  

SciTech Connect

The human breast comprises three lineages: the luminal epithelial lineage, the myoepithelial lineage, and the mesenchymal lineage. It has been widely accepted that human breast neoplasia pertains only to the luminal epithelial lineage. In recent years, however, evidence has accumulated that neoplastic breast epithelial cells may be substantially more plastic in their differentiation repertoire than previously anticipated. Thus, along with an increasing availability of markers for the myoepithelial lineage, at least a partial differentiation towards this lineage is being revealed frequently. It has also become clear that conversions towards the mesenchymal lineage actually occur, referred to as epithelial to mesenchymal transitions. Indeed, some of the so-called myofibroblasts surrounding the tumor may indeed have an epithelial origin rather than a mesenchymal origin. Because myoepithelial cells, epithelial to mesenchymal transition-derived cells, genuine stromal cells and myofibroblasts share common markers, we now need to define a more ambitious set of markers to distinguish these cell types in the microenvironment of the tumors. This is necessary because the different microenvironments may confer different clinical outcomes. The aim of this commentary is to describe some of the inherent complexities in defining cellular phenotypes in the microenvironment of breast cancer and to expand wherever possible on the implications for tumor suppression and progression.

Petersen, Ole William; Nielsen, Helga Lind; Gudjonsson, Thorarinn; Villadsen, Ren& #233; Ronnov-Jessen, Lone; Bissell, Mina J.

2001-05-12T23:59:59.000Z

485

Two Dimensional Simulations of Plastic-Shell, Direct-Drive Implosions on OMEGA  

SciTech Connect

Multidimensional hydrodynamic properties of high-adiabat direct-drive plastic-shell implosions on the OMEGA laser system [T. R. Boehly et al., Opt. Commun. 133, 495 (1997)] are investigated using the multidimensional hydrodynamic code, DRACO. Multimode simulations including the effects of nonuniform illumination and target roughness indicate that shell stability during the acceleration phase plays a critical role in determining target performance. For thick shells that remain integral during the acceleration phase, target yields are significantly reduced by the combination of the long-wavelength ({ell} < 10) modes due to surface roughness and beam imbalance and the intermediate modes (20 {le} {ell} {le} 50) due to single-beam nonuniformities. The neutron-production rate for these thick shells truncates relative to one-dimensional (1-D) predictions. The yield degradation in the thin shells is mainly due to shell breakup at short wavelengths ({lambda} {approx} {Delta}, where {Delta} is the in-flight shell thickness). The neutron-rate curves for the thinner shells have significantly lower amplitudes and a fall-off that is less steep than 1-D rates. DRACO simulation results are consistent with experimental observations.

Radha, P B; Goncharov, V N; Collins, T B; Delettrez, J A; Elbaz, Y; Glebov, V Y; Keck, R L; Keller, D E; Knauer, J P; Marozas, J A; Marshall, F J; McKenty, P W; Meyerhofer, D D; Regan, S P; Sangster, T C; Shvarts, D; Skupsky, S; Srebro, Y; Town, R J; Stoeckl, C

2004-09-27T23:59:59.000Z

486

Design of a European agrochemical plastic packaging waste management schemePilot implementation in Greece  

Science Journals Connector (OSTI)

Abstract Mismanagement of Agrochemicals Plastic Packaging Waste (APPW) constitutes a major environmental problem, resulting in the pollution of soil, air and water resources and compromising the agricultural products safety, the protection of the environment and the public health. Systems for the management of APPW have been established in some European countries and they are operational for several years now. However, these schemes are incompatible while their operational conditions and technical criteria could be improved. In many countries no schemes exist yet for the management of APPW with serious negative consequences for the environment and public health. In response to these problems the European project AgroChePack has developed an environmental friendly, economically viable European APPW management scheme by transferring know-how from existing schemes, designing a new integrated APPW management scheme and testing it through pilot trials in five countries. This work presents the basic design principles established by AgroChePack by identifying problems and bottlenecks faced by existing schemes in Europe, by developing an integrated APPW scheme and by implementing, evaluating and optimising this scheme through pilot trials in Greece.

D. Briassoulis; M. Hiskakis; H. Karasali; C. Briassoulis

2014-01-01T23:59:59.000Z

487

Structural Plasticity of Malaria Dihydroorotate Dehydrogenase Allows Selective Binding of Diverse Chemical Scaffolds  

SciTech Connect

Malaria remains a major global health burden and current drug therapies are compromised by resistance. Plasmodium falciparum dihydroorotate dehydrogenase (PfDHODH) was validated as a new drug target through the identification of potent and selective triazolopyrimidine-based DHODH inhibitors with anti-malarial activity in vivo. Here we report x-ray structure determination of PfDHODH bound to three inhibitors from this series, representing the first of the enzyme bound to malaria specific inhibitors. We demonstrate that conformational flexibility results in an unexpected binding mode identifying a new hydrophobic pocket on the enzyme. Importantly this plasticity allows PfDHODH to bind inhibitors from different chemical classes and to accommodate inhibitor modifications during lead optimization, increasing the value of PfDHODH as a drug target. A second discovery, based on small molecule crystallography, is that the triazolopyrimidines populate a resonance form that promotes charge separation. These intrinsic dipoles allow formation of energetically favorable H-bond interactions with the enzyme. The importance of delocalization to binding affinity was supported by site-directed mutagenesis and the demonstration that triazolopyrimidine analogs that lack this intrinsic dipole are inactive. Finally, the PfDHODH-triazolopyrimidine bound structures provide considerable new insight into species-selective inhibitor binding in this enzyme family. Together, these studies will directly impact efforts to exploit PfDHODH for the development of anti-malarial chemotherapy.

Deng, Xiaoyi; Gujjar, Ramesh; El Mazouni, Farah; Kaminsky, Werner; Malmquist, Nicholas A.; Goldsmith, Elizabeth J.; Rathod, Pradipsinh K.; Phillips, Margaret A.; (UWASH); (UTSMC)

2010-01-20T23:59:59.000Z

488

Synergy Effects of Wood Flour and Fire Retardants in Flammability of Wood-plastic Composites  

Science Journals Connector (OSTI)

Abstract Addition of wood flour improve the mechanical properties of thermoplastics, on the other hand it increases the burning speed of the materials. To modify the flammability of wood-plastic composites(WPC), various fire retardants, such as ammonium polysphosphate (APP), melamine polyphosphate (MPP) and aluminum hydroxide were added to WPCs. Burning tests based on UL94 and cone calorimetry were conducted to evaluate a fire performance of \\{WPCs\\} with fire retardants. The addition of fire retardants could lead to self-extinguishing materials when 10 wt% of APP was used. However, in the case of pure polypropylene, addition of 10 wt% of APP did not improve the flammability. Wood flour accelerates the burning behavior of PP, but it can reduce the use of APP to achieve self-extinguishing materials. Synergy effects between wood flour and APP was confirmed. Wood flour facilitates the forming of foamed char layer by APP during the combustion. This protective char surface can reduce the heat and oxygen diffusion toward the WPCs. The effect of fire retardants of mechanical properties of \\{WPCs\\} was also investigated. Tensile strength and modulus of composites decreased with addition of fire retardants.

Toshikazu Umemura; Yoshihiko Arao; Sakae Nakamura; Yuta Tomita; Tatsuya Tanaka

2014-01-01T23:59:59.000Z

489

Literature review of the lifetime of DOE materials: Aging of plastic bonded explosives and the explosives and polymers contained therein  

SciTech Connect

There are concerns about the lifetime of the nation`s stockpile of high explosives (HEs) and their components. The DOE`s Core Surveillance and Enhanced Surveillance programs specifically target degradation of HE, binders, and plastic-bonded explosives (PBXs) for determination of component lifetimes and handling procedures. The principal goal of this project is to identify the decomposition mechanisms of HEs, plasticizers, and plastic polymer binders resulting from exposure to ionizing radiation, heat, and humidity. The primary HEs of concern are 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) and 1,3,5,7-tetranitro-1,3,5,7-tetraazocyclooctane (HMX). Hexahydro-1,3,5-triazine (RDX) is closely related to these two compounds and is also included in the literature review. Both Kel-F 800 and Estane are polymers of interest. A stabilizer, Irganox 1010, and an energetic plasticizer that is a blend of acetaldehyde 2,2-dinitropropyl acetal, are also of interest, but the focus of this report will be on the explosives and polymers. This presents a literature review that provides background on the synthesis, degradation, and techniques to analyze TATB, HMX, RDX, Kel-F 800, Estane, and the PBXs of these compounds. As there are many factors that can influence degradation of materials, the degradation discussion will be divided into sections based on each factor and how it might affect the degradation mechanism. The factors reviewed that influence the degradation of these materials are exposure to heat, UV- and {gamma}-irradiation, and the chemistry of these compounds. The report presents a recently compiled accounting of the available literature. 80 refs., 7 figs.

Burgess, C.E.; Woodyard, J.D. [West Texas A and M Univ., Canyon, TX (United States); Rainwater, K.A. [Texas Tech Univ., Lubbock, TX (United States); Lightfoot, J.M. [Pantex Plant, Amarillo, TX (United States); Richardson, B.R. [Engineered Carbons, Inc., Borger, TX (United States)

1998-09-01T23:59:59.000Z

490

Evaluation of NaI(TL) and plastic scintillators for use in remote, unattended, and portal monitoring  

SciTech Connect

The authors have evaluated and compared some of the relevant operating characteristics of NaI and plastic scintillators for use in various safeguards monitoring applications. These include a sensitivity analysis of the two scintillators to various radiation fields and scintillator response as affected by environmental temperature. A comparison of experiment and modeling via the Monte Carlo N-Particle (MCNP) code has been performed to validate the calculational techniques. This then enables complex detector situations to be simulated with increased confidence.

Staples, P.; Audia, J.; Bai, Y.; Briggs, M.; Halbig, J.K.; Ianakiev, K.D.

1998-12-31T23:59:59.000Z

491

Catalytic Air Gasification of Plastic Waste (Polypropylene) in Fluidized Bed. Part I:? Use of in-Gasifier Bed Additives  

Science Journals Connector (OSTI)

In this case, plastic waste was composed of a mixture of PE and PP (50 wt %) from the car industry. ... There are also some studies on the gasification of wastes containing PVC with steam13 and with [steam + O2].14 Besides, other technologies are appearing in this field such as the cogasification of waste tires and PET using the solar thermochemical process. ... Starting the working conditions for gasifying waste blends contg. ...

Jess A. Sancho; Mara P. Aznar; Jos M. Toledo

2008-01-19T23:59:59.000Z

492

Novel method for hit-position reconstruction using voltage signals in plastic scintillators and its application to Positron Emission Tomography  

E-Print Network (OSTI)

Currently inorganic scintillator detectors are used in all commercial Time of Flight Positron Emission Tomograph (TOF-PET) devices. The J-PET collaboration investigates a possibility of construction of a PET scanner from plastic scintillators which would allow for single bed imaging of the whole human body. This paper describes a novel method of hit-position reconstruction based on sampled signals and an example of an application of the method for a single module with a 30 cm long plastic strip, read out on both ends by Hamamatsu R4998 photomultipliers. The sampling scheme to generate a vector with samples of a PET event waveform with respect to four user-defined amplitudes is introduced. The experimental setup provides irradiation of a chosen position in the plastic scintillator strip with an annihilation gamma quanta of energy 511~keV. The statistical test for a multivariate normal (MVN) distribution of measured vectors at a given position is developed, and it is shown that signals sampled at four thresholds in a voltage domain are approximately normally distributed variables. With the presented method of a vector analysis made out of waveform samples acquired with four thresholds, we obtain a spatial resolution of about 1 cm and a timing resolution of about 80 ps

L. Raczynski; P. Moskal; P. Kowalski; W. Wislicki; T. Bednarski; P. Bialas; E. Czerwinski; L . Kaplon; A. Kochanowski; G. Korcyl; J. Kowal; T. Kozik; W. Krzemien; E. Kubicz; M. Molenda; I. Moskal; Sz. Niedzwiecki; M. Palka; M. Pawlik-Niedzwiecka; Z. Rudy; P. Salabura; N. G. Sharma; M. Silarski; A. Slomski; J. Smyrski; A. Strzelecki; A. Wieczorek; M. Zielinski; N. Zon

2014-07-31T23:59:59.000Z

493

Photocurrent Spectroscopy of CdS/Plastic, CdS/Glass, and ZnTe/GaAs Hetero-pairs Formed with Pulsed-laser Deposition.  

E-Print Network (OSTI)

?? This dissertation presents photocurrent (PC) spectroscopy of thin-film cadmium sulfide (CdS) on plastic, CdS on glass, and zinc telluride (ZnTe) on gallium arsenide (GaAs) (more)

Acharya, Krishna Prasad

2009-01-01T23:59:59.000Z

494

NMDA receptor-dependent long-term potentiation comprises a family of temporally overlapping forms of synaptic plasticity that are induced by different patterns of stimulation  

Science Journals Connector (OSTI)

...plasticity in health and disease . N-methyl-d-aspartate receptor (NMDAR)-dependent...pathway, using the competitive N-methyl-d-aspartate receptor (NMDAR) antagonist...distinct processes. 3. Different N-methyl-d-aspartate receptor subtypes mediate the...

2014-01-01T23:59:59.000Z

495

Background and muon counting rates in underground muon measurements with a plastic scintillator counter based on a wavelength shifting fibre and a multi-pixel avalanche photodiode readout  

Science Journals Connector (OSTI)

In this short note we present results of background measurements carried out with polystyrene based cast plastic 12.012.03.0 cm3 size scintillator counter with a wavelength shifting fibre and a multi-pixel Geig...

Vladimir I. Volchenko; Evgeniy V. Akhrameev

2010-06-01T23:59:59.000Z

496

Activity-dependent plasticity in desecending synaptic inputs to spinal motoneurons in an in vitro turtle brainstem-spinal cord preparation  

Science Journals Connector (OSTI)

Long-term (>1 h) and short-term (sec-to-min) activity-dependent synaptic plasticity have been proposed to contribute to the patterning of rhythmic network activity. There is, however, very little experimental ...

SM Johnson; GS Mitchell

2001-08-01T23:59:59.000Z

497

Determination of the structural changes by Raman and {sup 13}C CP/MAS NMR spectroscopy on native corn starch with plasticizers  

SciTech Connect

The plasticizing - antiplasticizing effect of water and glycerol contents on native corn starch samples is investigated by FT-Raman and {sup 13}C CP/MAS NMR spectroscopy. The presence of both amorphous and crystalline structural phases was evidenced in pure native corn starch and also in the samples containing plasticizers. Among the crystalline starch structures, the A- and V- types were suggested by CP/MAS NMR spectra.

Cozar, O. [Academy of Romanian Scientists, Splaiul Independentei 54, 050094, Bucharest, Romania and National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry - INMA Bucure?ti - Cluj-Napoca Branch (Romania)] [Academy of Romanian Scientists, Splaiul Independentei 54, 050094, Bucharest, Romania and National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry - INMA Bucure?ti - Cluj-Napoca Branch (Romania); Filip, C.; Tripon, C. [National Institute for Research and Development of Isotopic and Molecular Technologies, 65-103 Donath, 400293 Cluj-Napoca (Romania)] [National Institute for Research and Development of Isotopic and Molecular Technologies, 65-103 Donath, 400293 Cluj-Napoca (Romania); Cioica, N.; Co?a, C.; Nagy, E. M. [National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry - INMA Bucure?ti - Cluj-Napoca Branch, RO-400458 Cluj-Napoca (Romania)] [National Institute of Research-Development for Machines and Installations Designed to Agriculture and Food Industry - INMA Bucure?ti - Cluj-Napoca Branch, RO-400458 Cluj-Napoca (Romania)

2013-11-13T23:59:59.000Z

498

Plastic substrates for active matrix liquid crystal display incapable of withstanding processing temperature of over 200 C and method of fabrication  

DOE Patents (OSTI)

Bright-polarizer-free, active-matrix liquid crystal displays (AMLCDs) are formed on plastic substrates. The primary components of the display are a pixel circuit fabricated on one plastic substrate, an intervening liquid-crystal material, and a counter electrode on a second plastic substrate. The-pixel circuit contains one or more thin-film transistors (TFTs) and either a transparent or reflective pixel electrode manufactured at sufficiently low temperatures to avoid damage to the plastic substrate. Fabrication of the TFTs can be carried out at temperatures less than 100 C. The liquid crystal material is a commercially made nematic curvilinear aligned phase (NCAP) film. The counter electrode is comprised of a plastic substrate coated with a transparent conductor, such as indium-doped tin oxide (ITO). By coupling the active matrix with NCAP, a high-information content can be provided in a bright, fully plastic package. Applications include any low cost portable electronics containing flat displays where ruggedization of the display is desired. 12 figs.

Carey, P.G.; Smith, P.M.; Havens, J.H.; Jones, P.

1999-01-05T23:59:59.000Z

499

Plastic substrates for active matrix liquid crystal display incapable of withstanding processing temperature of over 200.degree. C and method of fabrication  

DOE Patents (OSTI)

Bright-polarizer-free, active-matrix liquid crystal displays (AMLCDs) are formed on plastic substrates. The primary components of the display are a pixel circuit fabricated on one plastic substrate, an intervening liquid-crystal material, and a counter electrode on a second plastic substrate. The-pixel circuit contains one or more thin-film transistors (TFTs) and either a transparent or reflective pixel electrode manufactured at sufficiently low temperatures to avoid damage to the plastic substrate. Fabrication of the TFTs can be carried out at temperatures less than 100.degree. C. The liquid crystal material is a commercially made nematic curvilinear aligned phase (NCAP) film. The counter electrode is comprised of a plastic substrate coated with a transparent conductor, such as indium-doped tin oxide (ITO). By coupling the active matrix with NCAP, a high-information content can be provided in a bright, fully plastic package. Applications include any low cost portable electronics containing flat displays where ruggedization of the display is desired.

Carey, Paul G. (Mountain View, CA); Smith, Patrick M. (San Ramon, CA); Havens, John (San Diego, CA); Jones, Phil (Marlborough, GB)

1999-01-01T23:59:59.000Z

500

Large deformation analysis of axisymmetric inhomogeneities including coupled elastic and plastic anisotropy  

SciTech Connect

A mathematical framework is developed for the study of materials containing axisymmetric inclusions or flaws such as ellipsoidal voids, penny-shaped cracks, or fibers of circular cross-section. The general case of nonuniform statistical distributions of such heterogeneities is attacked by first considering a spatially uniform distribution of flaws that are all oriented in the same direction. Assuming an isotropic substrate, the macroscopic material properties of this simpler microstructure naturally should be transversely isotropic. An orthogonal basis for the linear subspace consisting of all double-symmetric transversely-isotropic fourth-order tensors associated with a given material vector is applied to deduce the explicit functional dependence of the material properties of these aligned materials on the shared symmetry axis. The aligned and uniform microstructure seems geometrically simple enough that the macroscopic transversely isotropic properties could be derived in closed form. Since the resulting properties are transversely isotropic, the analyst must therefore be able to identify the appropriate coefficients of the transverse basis. Once these functions are identified, a principle of superposition of strain rates ay be applied to define an expectation integral for the composite properties of a material containing arbitrary anisotropic distributions of axisymmetric inhomogeneities. A proposal for coupling plastic anisotropy to the elastic anisotropy is presented in which the composite yield surface is interpreted as a distortion of the isotropic substrate yield surface; the distortion directions are coupled to the elastic anisotropy directions. Finally, some commonly assumed properties (such as major symmetry) of the Cauchy tangent stiffness tensor are shown to be inappropriate for large distortions of anisotropic materials.

Brannon, R.M.

1996-12-31T23:59:59.000Z