The Extended Elastoplastic Constitutive Equation with Tangential Stress Rate Effect

Koichi Hashiguchi, Takashi Okayasu, Seiichiro Tsutsumi

研究成果: Contribution to journalArticle査読

抄録

The extension of the elastoplastic constitutive equation so as to describe the plastic stretching due to the stress rate component tangential to the yield or loading surface has been one of the most pressing problems in the elastoplasticity. To this aim, various models have been proposed in the past. However, a pertinent model applicable to a general loading process has not previously been proposed. In this article, the elastoplastic constitutive equation extended so as to describe a plastic stretching due to a stress rate component tangential to a yield or loading surface is formulated keeping a single and smooth yield surface. It would be a pertinent one which fulfills the mechanical requirements for elastoplastic constitutive equation and which is applicable to an arbitrary loading process. Based on this equation, a constitutive equation of metals with the isotropic-kinematic hardening is formulated.

本文言語英語
ページ(範囲)225-235
ページ数11
ジャーナルJournal of the Faculty of Agriculture, Kyushu University
42
1-2
出版ステータス出版済み - 12 1 1997

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

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