Crystal-plasticity finite-element analysis of deformation behavior in a commercially pure titanium sheet

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Abstract

A crystal-plasticity finite-element method was used to examine the deformation mechanism in a commercially pure titanium sheet. The following tension-compression asymmetry was exhibited in the stress-strain curves: the yield stress was larger under tension than under compression, whereas the work-hardening was smaller under tension than under compression. The strain hardening behaviour was predicted qualitatively well using the crystal-plasticity analysis. The simulation results suggested that the tension-compression asymmetry could be explained in terms of the difference in the activity of the twinning systems.

NUMISHEET 2016: 10th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes 4–9 September 2016, Bristol, United Kingdom

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Details 詳細情報について

  • CRID
    1050289321234180096
  • NII Article ID
    120006654034
  • ISSN
    17426596
  • HANDLE
    2433/217076
  • Text Lang
    en
  • Article Type
    conference paper
  • Data Source
    • IRDB
    • CiNii Articles
    • KAKEN

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