運動学的加工硬化をもつPrandtl-Reuss塑性物質の定常単純伸長

概要

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Here the behaviors of the incompressible Prandtl-Reuss plastic material with the kinematic work-hardening are investigated theoretically for the steady simple extension. The material was derived in the preceding paper and has a symmetric tensor internal variable, i. e., the translation tensor. The stress- and the translation-logarithmic strain relations are formulated analytically. In order to estimate the behavior of the material for the work-hardening, the equations are solved approximately and the linear relations between the stress and the translation increments and the strain increment are obtained. The exact solution is also obtained, and its numerical calculations are depicted in the figures. The results show the remarkable rounding phenomenon for the reloading curve and the Bauschinger effect.
社団法人日本材料学会の論文
1977-04-15