A quasi-exact yield criterion for anisotropic porous ductile sheet metals

被引：0
|
作者：
W. J. Xia
Z. T. Chen
机构：
[1] University of New Brunswick,Department of Mechanical Engineering
来源：
Acta Mechanica | 2007年 / 191卷
关键词：
Sheet Metal; Yield Function; Yield Criterion; Yield Locus; Void Volume Fraction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A quasi-exact yield criterion for anisotropic porous ductile sheet metals is analytically developed under axisymmetric loading condition. The sheet metals are assumed perfectly rigid-plastic and incompressible. A representative unit cell containing a void is formulated to model the porous sheet metals. Hill's quadratic anisotropic yield function is adopted, and the obtained yield criterion is a function of R, the normal anisotropic factor.
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页码：93 / 108
页数：15
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