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Plastic Deformation Behavior under Conditions of Combined Stress

  • Y. Tozawa

Abstract

Experiments are carried out by the biaxial compression method using a rectangular specimen prepared by stacking and gluing metal sheets. In order to represent the results systematically, a yield surface in the σ X , σ Y , σ Z , 3τ XY , stress space for large plastic strain is used. The work-hardening characteristics for both isotropic and anisotropic materials are discussed, and the rules for anisotropy induced by prestrain and for work-hardening caused by subsequent strain are determined. An equation which represents the yield surfaces for large subsequent strain of prestrained materials is proposed.

Keywords

Flow Stress Sheet Metal Yield Surface Yield Locus Stress Space 
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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • Y. Tozawa
    • 1
  1. 1.Nagoya UniversityJapan

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