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Title of Journal: Acta Mechanica

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Abbravation: Acta Mechanica

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Springer-Verlag

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DOI

10.1016/0304-5102(90)85267-l

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1619-6937

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A quasiexact yield criterion for anisotropic poro

Authors: W J Xia Z T Chen
Publish Date: 2007/04/16
Volume: 191, Issue: 1-2, Pages: 93-108
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Abstract

A quasiexact yield criterion for anisotropic porous ductile sheet metals is analytically developed under axisymmetric loading condition The sheet metals are assumed perfectly rigidplastic and incompressible A representative unit cell containing a void is formulated to model the porous sheet metals Hills quadratic anisotropic yield function is adopted and the obtained yield criterion is a function of R the normal anisotropic factor

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