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Communication Dans Un Congrès Année : 2011

Failure of elasto-plastic porous materials due to void shape effects and void growth

Résumé

This work makes use of the recently proposed second-order nonlinear homogenization model (SOM) for (visco)plastic porous materials to study the influence of the Lode parameter and the stress triaxiality on the failure of metallic materials. This model is based on the "second-order" or "generalized secant" homogenization method and is capable of handling general "ellipsoidal" void shapes (i.e., particulate microstructures with more general orthotropic overall anisotropy) and general three-dimensional loading conditions.
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Dates et versions

hal-00641531 , version 1 (16-11-2011)

Identifiants

  • HAL Id : hal-00641531 , version 1

Citer

Kostas Danas, P. Ponte Castañeda. Failure of elasto-plastic porous materials due to void shape effects and void growth. 20eme Congres Francais de Mecanique, Aug 2011, Besancon, France. pp.1-4. ⟨hal-00641531⟩
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