Method of and apparatus for thermomagnetically processing a workpiece

Kisner, Roger A.; Rios, Orlando; Wilgen, John B.; Ludtka, Gerard M.; Ludtka, Gail M.

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
A23 - foods or foodstuffs
A24 - tobacco
A41 - wearing apparel
A42 - headwear
A43 - footwear
A44 - haberdashery
A45 - hand or travelling articles
A46 - brushware
A47 - furniture
A61 - medical or veterinary science
A62 - life-saving
A63 - sports
A99 - subject matter not otherwise provided for in this section
B - performing operations
B01 - physical or chemical processes or apparatus in general
B02 - crushing, pulverising, or disintegrating
B03 - separation of solid materials using liquids or using pneumatic tables or jigs
B04 - centrifugal apparatus or machines for carrying-out physical or chemical processes
B05 - spraying or atomising in general
B06 - generating or transmitting mechanical vibrations in general
B07 - separating solids from solids
B08 - cleaning
B09 - disposal of solid waste
B21 - mechanical metal-working without essentially removing material
B22 - casting
B23 - machine tools
B24 - grinding
B25 - hand tools
B26 - hand cutting tools
B27 - working or preserving wood or similar material
B28 - working cement, clay, or stone
B29 - working of plastics
B30 - presses
B31 - making articles of paper, cardboard or material worked in a manner analogous to paper
B32 - layered products
B33 - additive manufacturing technology
B41 - printing
B42 - bookbinding
B43 - writing or drawing implements
B44 - decorative arts
B60 - vehicles in general
B61 - railways
B62 - land vehicles for travelling otherwise than on rails
B63 - ships or other waterborne vessels
B64 - aircraft
B65 - conveying
B66 - hoisting
B67 - opening, closing {or cleaning} bottles, jars or similar containers
B68 - saddlery
B81 - microstructural technology
B82 - nanotechnology
B99 - subject matter not otherwise provided for in this section
C - chemistry
C01 - inorganic chemistry
C02 - treatment of water, waste water, sewage, or sludge
C03 - glass
C04 - cements
C05 - fertilisers
C06 - explosives
C07 - organic chemistry
C08 - organic macromolecular compounds
C09 - dyes
C10 - petroleum, gas or coke industries
C11 - animal or vegetable oils, fats, fatty substances or waxes
C12 - biochemistry
C13 - sugar industry
C14 - skins
C21 - metallurgy of iron
C22 - metallurgy
C23 - coating metallic material
C25 - electrolytic or electrophoretic processes
C30 - crystal growth
C40 - combinatorial technology
C99 - subject matter not otherwise provided for in this section
D - textiles
D01 - natural or man-made threads or fibres
D02 - yarns
D03 - weaving
D04 - braiding
D05 - sewing
D06 - treatment of textiles or the like
D07 - ropes
D10 - indexing scheme associated with sublasses of section d, relating to textiles
D21 - paper-making
D99 - subject matter not otherwise provided for in this section
E - fixed constructions
E01 - construction of roads, railways, or bridges
E02 - hydraulic engineering
E03 - water supply
E04 - building
E05 - locks
E06 - doors, windows, shutters, or roller blinds in general
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F - mechanical engineering
F01 - machines or engines in general
F02 - combustion engines
F03 - machines or engines for liquids
F04 - positive - displacement machines for liquids
F05 - indexing schemes relating to engines or pumps in various subclasses of classes f01-f04
F15 - fluid-pressure actuators
F16 - engineering elements and units
F17 - storing or distributing gases or liquids
F21 - lighting
F22 - steam generation
F23 - combustion apparatus
F24 - heating
F25 - refrigeration or cooling
F26 - drying
F27 - furnaces
F28 - heat exchange in general
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F42 - ammunition
F99 - subject matter not otherwise provided for in this section
G - physics
G01 - measuring
G02 - optics
G03 - photography
G04 - horology
G05 - controlling
G06 - computing
G07 - checking-devices
G08 - signalling
G09 - education
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G11 - information storage
G12 - instrument details
G16 - information and communication technology [ict] specially adapted for specific application fields
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H - electricity
H01 - basic electric elements
H02 - generation
H03 - basic electronic circuitry
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H05 - electric techniques not otherwise provided for
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Y - new / cross sectional technologies
Y02 - technologies or applications for mitigation or adaptation against climate change
Y04 - information or communication technologies having an impact on other technology areas
Y10 - technical subjects covered by former uspc

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Title: Method of and apparatus for thermomagnetically processing a workpiece

Abstract

A method of thermomagnetically processing a material includes disposing a workpiece within a bore of a magnet; exposing the workpiece to a magnetic field of at least about 1 Tesla generated by the magnet; and, while exposing the workpiece to the magnetic field, applying heat energy to the workpiece at a plurality of frequencies to achieve spatially-controlled heating of the workpiece. An apparatus for thermomagnetically processing a material comprises: a high field strength magnet having a bore extending therethrough for insertion of a workpiece therein; and an energy source disposed adjacent to an entrance to the bore. The energy source is an emitter of variable frequency heat energy, and the bore comprises a waveguide for propagation of the variable frequency heat energy from the energy source to the workpiece.

Inventors:: Kisner, Roger A.; Rios, Orlando; Wilgen, John B.; Ludtka, Gerard M.; Ludtka, Gail M.

Issue Date:: 2014-08-05

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1150015

Patent Number(s):: 8795444

Application Number:: 14/186,385

Assignee:: UT-Battelle, LLC (Oak Ridge, TN)

Patent Classifications (CPCs):: C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

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C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
C21D10/00 - Modifying the physical properties by methods other than heat treatment or deformation

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T29/49803 - Magnetically shaping

C - CHEMISTRY C21 - METALLURGY OF IRON C21D - MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
C21D1/38 - Heating by cathodic discharges

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T29/49938 - Radially expanding part in cavity, aperture, or hollow body

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DOE Contract Number:: AC05-000R22725

Resource Type:: Patent

Resource Relation:: Patent File Date: 2014 Feb 21

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Kisner, Roger A., Rios, Orlando, Wilgen, John B., Ludtka, Gerard M., and Ludtka, Gail M. Method of and apparatus for thermomagnetically processing a workpiece.  United States: N. p., 2014. 
        Web.

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                    Kisner, Roger A., Rios, Orlando, Wilgen, John B., Ludtka, Gerard M., & Ludtka, Gail M. Method of and apparatus for thermomagnetically processing a workpiece.  United States.

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                    Kisner, Roger A., Rios, Orlando, Wilgen, John B., Ludtka, Gerard M., and Ludtka, Gail M. Tue .  
        "Method of and apparatus for thermomagnetically processing a workpiece".  United States.  https://www.osti.gov/servlets/purl/1150015.

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@article{osti_1150015,

  title        = {Method of and apparatus for thermomagnetically processing a workpiece},

  author       = {Kisner, Roger A. and Rios, Orlando and Wilgen, John B. and Ludtka, Gerard M. and Ludtka, Gail M.},

  abstractNote = {A method of thermomagnetically processing a material includes disposing a workpiece within a bore of a magnet; exposing the workpiece to a magnetic field of at least about 1 Tesla generated by the magnet; and, while exposing the workpiece to the magnetic field, applying heat energy to the workpiece at a plurality of frequencies to achieve spatially-controlled heating of the workpiece. An apparatus for thermomagnetically processing a material comprises: a high field strength magnet having a bore extending therethrough for insertion of a workpiece therein; and an energy source disposed adjacent to an entrance to the bore. The energy source is an emitter of variable frequency heat energy, and the bore comprises a waveguide for propagation of the variable frequency heat energy from the energy source to the workpiece.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2014},

  month        = {8}

}

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Works referenced in this record:

Using magnetic field gradients to control the directional solidification of alloys and the growth of single crystals
journal, September 2004

Ganapathysubramanian, Baskar; Zabaras, Nicholas
Journal of Crystal Growth, Vol. 270, Issue 1-2, p. 255-272
https://doi.org/10.1016/j.jcrysgro.2004.06.020

In situ evidence of enhanced transformation kinetics in a medium carbon steel due to a high magnetic field
journal, July 2004

Ludtka, G. M.; Jaramillo, R. A.; Kisner, R. A.
Scripta Materialia, Vol. 51, Issue 2, p. 171-174
https://doi.org/10.1016/j.scriptamat.2004.03.029

The effect of high magnetic field on phase stability in Fe-Ni
journal, June 2004

Nicholson, D. M. C.; Kisner, R. A.; Ludtka, G. M.
Journal of Applied Physics, Vol. 95, Issue 11, p. 6580-6582
https://doi.org/10.1063/1.1689761

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Similar Records

Title: Method of and apparatus for thermomagnetically processing a workpiece

Abstract

Citation Formats

Using magnetic field gradients to control the directional solidification of alloys and the growth of single crystals journal, September 2004

In situ evidence of enhanced transformation kinetics in a medium carbon steel due to a high magnetic field journal, July 2004

The effect of high magnetic field on phase stability in Fe-Ni journal, June 2004

Using magnetic field gradients to control the directional solidification of alloys and the growth of single crystals
journal, September 2004

In situ evidence of enhanced transformation kinetics in a medium carbon steel due to a high magnetic field
journal, July 2004

The effect of high magnetic field on phase stability in Fe-Ni
journal, June 2004