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- Title
A quasi-exact yield criterion for anisotropic porous ductile sheet metals.
- Authors
Xia, W.; Chen, Z.
- Abstract
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.
- Subjects
POROUS materials; METALS; YIELD-line analysis; HILL'S equation; ANISOTROPY; STRUCTURAL failures; MATERIAL plasticity
- Publication
Acta Mechanica, 2007, Vol 191, Issue 1-2, p93
- ISSN
0001-5970
- Publication type
Article
- DOI
10.1007/s00707-006-0431-7