A MULTIPLICATION YIELD MODEL OF POLYCRYSTALLINE METAL AND THE ANALYSIS ON YIELD PHENOMENA
He Zongyan;Hwang Kehchi;Yu Shouwen, Dept. of Engineering Mechanics, Tsinghua University, Beijing 100084
In this paper, a yield model of polycrystalline metal based on the nonlinear irreversible multiplication is proposed, from which the kinetic yield equations and the yield stress formulas can be deduced. Some yield phenomena and experimental results can be explained reasonably.
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