Low temperature relaxation of residual stress in Ti-6Al-4V

J. W. Elmer; T. A. Palmer; S. S. Babu; E. D. Specht

doi:10.1016/j.scriptamat.2005.01.021

Low temperature relaxation of residual stress in Ti-6Al-4V

J. W. Elmer
, T. A. Palmer
, S. S. Babu
, E. D. Specht

Materials Research Institute (MRI)

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Isothermal tests were performed on Ti-6Al-4V to observe time-dependent changes in the lattice parameter of the α (hexagonal close-packed) and β (body-centered cubic) phases. Synchrotron-based experiments show contraction in β at temperatures below 550 °C, and expansion at higher temperatures. Contraction results from annealing of preexisting residual stresses, while expansion results from V diffusion when the α → β phase transformation becomes kinetically active.

Original language	English (US)
Pages (from-to)	1051-1056
Number of pages	6
Journal	Scripta Materialia
Volume	52
Issue number	10
DOIs	https://doi.org/10.1016/j.scriptamat.2005.01.021
State	Published - May 2005

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/j.scriptamat.2005.01.021

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@article{64766fb2e964431d932a446e9ce0acac,

title = "Low temperature relaxation of residual stress in Ti-6Al-4V",

abstract = "Isothermal tests were performed on Ti-6Al-4V to observe time-dependent changes in the lattice parameter of the α (hexagonal close-packed) and β (body-centered cubic) phases. Synchrotron-based experiments show contraction in β at temperatures below 550 °C, and expansion at higher temperatures. Contraction results from annealing of preexisting residual stresses, while expansion results from V diffusion when the α → β phase transformation becomes kinetically active.",

author = "Elmer, \{J. W.\} and Palmer, \{T. A.\} and Babu, \{S. S.\} and Specht, \{E. D.\}",

note = "Funding Information: This work was performed under the auspices of the US Department of Energy, Lawrence Livermore National Laboratory, under contract no. W-7405-ENG-48. Part of the research was sponsored by the US Department of Energy Division of Materials Sciences and Engineering under contract no. DE-AC05-00OR22725 with UT-Battelle, LLC. The UNICAT facility at the Advanced Photon Source (APS) is supported by the US DOE under Award no. DEFG02-91ER45439, through the Frederick Seitz Materials Research Laboratory at the University of Illinois at Urbana-Champaign, the Oak Ridge National Laboratory (US DOE contract DE-AC05-00OR22725 with UT-Battelle LLC), the National Institute of Standards and Technology (US Department of Commerce) and UOP LLC. The APS is supported by the US DOE, Basic Energy Sciences, Office of Science under contract no. W-31-109-ENG-38. The authors express gratitude to Mr. Bob Vallier of LLNL for performing optical metallography.",

year = "2005",

month = may,

doi = "10.1016/j.scriptamat.2005.01.021",

language = "English (US)",

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journal = "Scripta Materialia",

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TY - JOUR

T1 - Low temperature relaxation of residual stress in Ti-6Al-4V

AU - Elmer, J. W.

AU - Palmer, T. A.

AU - Babu, S. S.

AU - Specht, E. D.

N1 - Funding Information: This work was performed under the auspices of the US Department of Energy, Lawrence Livermore National Laboratory, under contract no. W-7405-ENG-48. Part of the research was sponsored by the US Department of Energy Division of Materials Sciences and Engineering under contract no. DE-AC05-00OR22725 with UT-Battelle, LLC. The UNICAT facility at the Advanced Photon Source (APS) is supported by the US DOE under Award no. DEFG02-91ER45439, through the Frederick Seitz Materials Research Laboratory at the University of Illinois at Urbana-Champaign, the Oak Ridge National Laboratory (US DOE contract DE-AC05-00OR22725 with UT-Battelle LLC), the National Institute of Standards and Technology (US Department of Commerce) and UOP LLC. The APS is supported by the US DOE, Basic Energy Sciences, Office of Science under contract no. W-31-109-ENG-38. The authors express gratitude to Mr. Bob Vallier of LLNL for performing optical metallography.

PY - 2005/5

Y1 - 2005/5

N2 - Isothermal tests were performed on Ti-6Al-4V to observe time-dependent changes in the lattice parameter of the α (hexagonal close-packed) and β (body-centered cubic) phases. Synchrotron-based experiments show contraction in β at temperatures below 550 °C, and expansion at higher temperatures. Contraction results from annealing of preexisting residual stresses, while expansion results from V diffusion when the α → β phase transformation becomes kinetically active.

AB - Isothermal tests were performed on Ti-6Al-4V to observe time-dependent changes in the lattice parameter of the α (hexagonal close-packed) and β (body-centered cubic) phases. Synchrotron-based experiments show contraction in β at temperatures below 550 °C, and expansion at higher temperatures. Contraction results from annealing of preexisting residual stresses, while expansion results from V diffusion when the α → β phase transformation becomes kinetically active.

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DO - 10.1016/j.scriptamat.2005.01.021

M3 - Article

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EP - 1056

JO - Scripta Materialia

JF - Scripta Materialia

IS - 10

ER -

Low temperature relaxation of residual stress in Ti-6Al-4V

Abstract

All Science Journal Classification (ASJC) codes

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