The softening factor cb of commercial titanium alloy wires

Jankowski, Alan F.; Chames, J. M.; Gardea, A.; Nishimoto, R.; Brannigan, E. M.

doi:10.3139/146.111834

Title: The softening factor c_b of commercial titanium alloy wires

Abstract

The strain-rate sensitivity exponent m and activation volume υ* are often used to characterize the strain-rate sensitivity of strength behavior in metals and alloys. Complications can arise when the m and υ* values become indeterminate, due to factors such as an inherent scatter in the mechanical property data. Here, the study of commercial Ti-alloy wires is considered wherein to overcome this limitation, the formulation of the Kocks–Mecking (K–M) model is modified to provide a parameter c_b that characterizes the microstructural scale responsible for the observed plasticity and work hardening behavior. The softening factor c_b is found to be independent of strain-rate for the Ti-alloy wires of this study. It is proposed that c_b !can offer a versatile and complementary computation to the activation volume υ* since its formulation includes the yield and ultimate strength values along with the plastic strain. For the tensile testing of Ti-alloy wires, a low c_b-value of 14 is calculated for Ti-6Al-4V that is consistent with >10 % plasticity during work hardening whereas a high c_b-value of 135 for Ti-6Al-7Nb corresponds with <4 % plasticity.

Authors:

Jankowski, Alan F. ^[1]; Chames, J. M. ^[1]; Gardea, A. ^[1]; Nishimoto, R. ^[1]; Brannigan, E. M. ^[2]

Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Publication Date:: 2019-11-12

Research Org.:: Sandia National Lab. (SNL-CA), Livermore, CA (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1575255

Report Number(s):: SAND-2019-13934J
Journal ID: ISSN 1862-5282; 681449; TRN: US2001219

Grant/Contract Number:: AC04-94AL85000

Resource Type:: Accepted Manuscript

Journal Name:: International Journal of Materials Research

Additional Journal Information:: Journal Volume: 110; Journal Issue: 11; Journal ID: ISSN 1862-5282

Publisher:: Carl Hanser Verlag GmbH & Co. KG

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Softening factor; Work hardening; Plastic strain; Ti alloys

Citation Formats


                    Jankowski, Alan F., Chames, J. M., Gardea, A., Nishimoto, R., and Brannigan, E. M. The softening factor cb of commercial titanium alloy wires.  United States: N. p., 2019. 
Web.  doi:10.3139/146.111834.

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                    Jankowski, Alan F., Chames, J. M., Gardea, A., Nishimoto, R., & Brannigan, E. M. The softening factor cb of commercial titanium alloy wires.  United States.  https://doi.org/10.3139/146.111834

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                    Jankowski, Alan F., Chames, J. M., Gardea, A., Nishimoto, R., and Brannigan, E. M. Tue .  
"The softening factor cb of commercial titanium alloy wires".  United States.  https://doi.org/10.3139/146.111834.  https://www.osti.gov/servlets/purl/1575255.

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@article{osti_1575255,

  title        = {The softening factor cb of commercial titanium alloy wires},

  author       = {Jankowski, Alan F. and Chames, J. M. and Gardea, A. and Nishimoto, R. and Brannigan, E. M.},

  abstractNote = {The strain-rate sensitivity exponent m and activation volume υ* are often used to characterize the strain-rate sensitivity of strength behavior in metals and alloys. Complications can arise when the m and υ* values become indeterminate, due to factors such as an inherent scatter in the mechanical property data. Here, the study of commercial Ti-alloy wires is considered wherein to overcome this limitation, the formulation of the Kocks–Mecking (K–M) model is modified to provide a parameter cb that characterizes the microstructural scale responsible for the observed plasticity and work hardening behavior. The softening factor cb is found to be independent of strain-rate for the Ti-alloy wires of this study. It is proposed that cb !can offer a versatile and complementary computation to the activation volume υ* since its formulation includes the yield and ultimate strength values along with the plastic strain. For the tensile testing of Ti-alloy wires, a low cb-value of 14 is calculated for Ti-6Al-4V that is consistent with >10 % plasticity during work hardening whereas a high cb-value of 135 for Ti-6Al-7Nb corresponds with <4 % plasticity.},

  doi          = {10.3139/146.111834},

  journal      = {International Journal of Materials Research},

  number       = 11,

  volume       = 110,

  place        = {United States},

  year         = {2019},

  month        = {11}

}

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Works referencing / citing this record:

Constitutive structural parameter c _b for the work‐hardening behavior of laser powder‐bed fusion, additively manufactured 316L stainless steel
journal, January 2020

Jankowski, Alan F.; Yang, Nancy; Lu, Wei‐Yang
Material Design & Processing Communications
DOI: 10.1002/mdp2.135

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Similar Records

Title: The softening factor cb of commercial titanium alloy wires

Abstract

Citation Formats

A study of the microstructure and hardness of two titanium alloys: Commercially pure and Ti–6Al–4V journal, November 2009

Surface treatments of titanium dental implants for rapid osseointegration journal, July 2007

Commercially pure titanium Steinhäuser plate-screw system for maxillofacial surgery journal, July 1988

Effect of mechanical surface pretreatment on metal ion release journal, February 2000

Investigation of reactions to dental materials: Investigation of reactions to dental materials journal, August 2005

RETRACTED ARTICLE: An evaluation of the potential consequences of drilling titanium and tantalum implants during surgery - a pilot study journal, November 2017

Improvement of the Oxidation and Wear Resistance of Pure Ti by Laser-Cladding Ti3Al Coating at Elevated Temperature journal, February 2011

Modular titanium alloy neck adapter failures in hip replacement - failure mode analysis and influence of implant material journal, January 2010

Biocompatibility and osteogenesis of refractory metal implants, titanium, hafnium, niobium, tantalum and rhenium journal, June 2001

Biocompatibility of β-stabilizing elements of titanium alloys journal, November 2004

Titanium-Aluminium-Niobium Alloy, Development for Biocompatible, High Strength Surgical Implants - Titan-Aluminium-Niob-Legierung, entwickelt für körperverträgliche, hochfeste Implantate in der Chirurgie journal, January 1985

Strain hardening of titanium: role of deformation twinning journal, August 2003

The high-strain-rate response of alpha-titanium: experiments, deformation mechanisms and modeling journal, January 1998

Tensile testing of bone over a wide range of strain rates: effects of strain rate, microstructure and density journal, November 1976

In vitro corrosion of titanium journal, August 1998

Kinetics of flow and strain-hardening journal, November 1981

Applicability of the one-internal-variable Kocks–Mecking approach for tensile flow and work hardening behaviour of modified 9Cr–1Mo steel journal, July 2013

Devising Strain Hardening Models Using Kocks–Mecking Plots—A Comparison of Model Development for Titanium Aluminides and Case Hardening Steel journal, August 2016

The Nature and Consequences of Coherent Transformations in Steel. journal, January 2003

Comments on the Microstructure and Properties of Ultrafine Grained Steel journal, January 2008

Microstructural changes in equal channel angular pressed low carbon steel by static annealing journal, July 2000

Thermomechanical processing of advanced high strength steels journal, May 2018

Thermal activation under shear journal, May 2001

Microstructural evolution and formation mechanism of FCC titanium hydride in Ti–6Al–4V–xH alloys journal, January 2007

Metallurgical analysis and nanoindentation characterization of Ti–6Al–4V workpiece and chips in high-throughput drilling journal, January 2008

Osteoblast Cell Response on the Ti6Al4V Alloy Heat-Treated journal, April 2017

Development of methods for the quantification of microstructural features in α+β-processed α/β titanium alloys journal, May 2009

Direct observations of rapid diffusion of Cu in Au thin films using in situ x-ray diffraction journal, July 2006

Kinetics of thermal decomposition of titanium hydride powder using in situ high-temperature X-ray diffraction (HTXRD) journal, September 2005

Thermal Stability of α Phase of Titanium by Using X-Ray Diffraction journal, September 2010

Microstructural characterization of Ti-6Al-7Nb alloy after severe plastic deformation journal, August 2012

Comparison of residual strains measured by X-ray and neutron diffraction in a titanium (Ti–6Al–4V) matrix composite journal, January 1999

Formation and control of martensite in Ti-6Al-4V alloy produced by selective laser melting journal, October 2016

Effect of 0.770wt%H addition on the microstructure of Ti–6Al–4V alloy and mechanism of δ hydride formation journal, July 2009

Phase stabilities of fcc Ti nanocrystals journal, December 2004

Synthesis and properties of thermosensitive poly(N-isopropylacrylamide-co-methyl methacrylate) hydrogel with rapid response journal, January 2002

In situ TEM observation of FCC Ti formation at elevated temperatures journal, November 2017

Rolling-induced Face Centered Cubic Titanium in Hexagonal Close Packed Titanium at Room Temperature journal, April 2016

Time-dependent deformation of metals journal, December 1985

Work-hardening stages and deformation mechanism maps during tensile deformation of commercially pure titanium journal, August 2013

Improvement of mechanical behaviors of a superlight Mg-Li base alloy by duplex phases and fine precipitates journal, February 2018

Development and application of constitutive equations for the multiple-stand hot rolling of Al-alloys journal, April 2002

Work hardening model based on multiple dislocation densities journal, July 2005

Constitutive structural parameter c b for the work‐hardening behavior of laser powder‐bed fusion, additively manufactured 316L stainless steel journal, January 2020

Title: The softening factor c_b of commercial titanium alloy wires

A study of the microstructure and hardness of two titanium alloys: Commercially pure and Ti–6Al–4V
journal, November 2009

Surface treatments of titanium dental implants for rapid osseointegration
journal, July 2007

Commercially pure titanium Steinhäuser plate-screw system for maxillofacial surgery
journal, July 1988

Effect of mechanical surface pretreatment on metal ion release
journal, February 2000

Investigation of reactions to dental materials: Investigation of reactions to dental materials
journal, August 2005

RETRACTED ARTICLE: An evaluation of the potential consequences of drilling titanium and tantalum implants during surgery - a pilot study
journal, November 2017

Improvement of the Oxidation and Wear Resistance of Pure Ti by Laser-Cladding Ti3Al Coating at Elevated Temperature
journal, February 2011

Modular titanium alloy neck adapter failures in hip replacement - failure mode analysis and influence of implant material
journal, January 2010

Biocompatibility and osteogenesis of refractory metal implants, titanium, hafnium, niobium, tantalum and rhenium
journal, June 2001

Biocompatibility of β-stabilizing elements of titanium alloys
journal, November 2004

Titanium-Aluminium-Niobium Alloy, Development for Biocompatible, High Strength Surgical Implants - Titan-Aluminium-Niob-Legierung, entwickelt für körperverträgliche, hochfeste Implantate in der Chirurgie
journal, January 1985

Strain hardening of titanium: role of deformation twinning
journal, August 2003

The high-strain-rate response of alpha-titanium: experiments, deformation mechanisms and modeling
journal, January 1998

Tensile testing of bone over a wide range of strain rates: effects of strain rate, microstructure and density
journal, November 1976

In vitro corrosion of titanium
journal, August 1998

Kinetics of flow and strain-hardening
journal, November 1981

Applicability of the one-internal-variable Kocks–Mecking approach for tensile flow and work hardening behaviour of modified 9Cr–1Mo steel
journal, July 2013

Devising Strain Hardening Models Using Kocks–Mecking Plots—A Comparison of Model Development for Titanium Aluminides and Case Hardening Steel
journal, August 2016

The Nature and Consequences of Coherent Transformations in Steel.
journal, January 2003

Comments on the Microstructure and Properties of Ultrafine Grained Steel
journal, January 2008

Microstructural changes in equal channel angular pressed low carbon steel by static annealing
journal, July 2000

Thermomechanical processing of advanced high strength steels
journal, May 2018

Thermal activation under shear
journal, May 2001

Microstructural evolution and formation mechanism of FCC titanium hydride in Ti–6Al–4V–xH alloys
journal, January 2007

Metallurgical analysis and nanoindentation characterization of Ti–6Al–4V workpiece and chips in high-throughput drilling
journal, January 2008

Osteoblast Cell Response on the Ti6Al4V Alloy Heat-Treated
journal, April 2017

Development of methods for the quantification of microstructural features in α+β-processed α/β titanium alloys
journal, May 2009

Direct observations of rapid diffusion of Cu in Au thin films using in situ x-ray diffraction
journal, July 2006

Kinetics of thermal decomposition of titanium hydride powder using in situ high-temperature X-ray diffraction (HTXRD)
journal, September 2005

Thermal Stability of α Phase of Titanium by Using X-Ray Diffraction
journal, September 2010

Microstructural characterization of Ti-6Al-7Nb alloy after severe plastic deformation
journal, August 2012

Comparison of residual strains measured by X-ray and neutron diffraction in a titanium (Ti–6Al–4V) matrix composite
journal, January 1999

Formation and control of martensite in Ti-6Al-4V alloy produced by selective laser melting
journal, October 2016

Effect of 0.770wt%H addition on the microstructure of Ti–6Al–4V alloy and mechanism of δ hydride formation
journal, July 2009

Phase stabilities of fcc Ti nanocrystals
journal, December 2004

Synthesis and properties of thermosensitive poly(N-isopropylacrylamide-co-methyl methacrylate) hydrogel with rapid response
journal, January 2002

In situ TEM observation of FCC Ti formation at elevated temperatures
journal, November 2017

Rolling-induced Face Centered Cubic Titanium in Hexagonal Close Packed Titanium at Room Temperature
journal, April 2016

Time-dependent deformation of metals
journal, December 1985

Work-hardening stages and deformation mechanism maps during tensile deformation of commercially pure titanium
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Improvement of mechanical behaviors of a superlight Mg-Li base alloy by duplex phases and fine precipitates
journal, February 2018

Development and application of constitutive equations for the multiple-stand hot rolling of Al-alloys
journal, April 2002

Work hardening model based on multiple dislocation densities
journal, July 2005

Constitutive structural parameter c _b for the work‐hardening behavior of laser powder‐bed fusion, additively manufactured 316L stainless steel
journal, January 2020