Comptes Rendus
no. 4-5
A phenomenological model for microstructural evolution during plastic flow
John L. Bassani1  ; Haizhen Pan2
1 Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA 19104, USA
2 Holtec International, Marlton, NJ 08053, USA
Comptes Rendus. Mécanique, Volume 340 (2012) no. 4-5, pp. 369-377.

A class of materials is considered that possesses local orthotropic symmetries. Constitutive models with microstructural evolution are developed within a conventional elastic–plastic multiplicative decomposition. In the current configuration, the orthotropic vectors evolve with the microstructural spin, which is the difference between the material and plastic spins. Representations for tensor-valued functions for orthotropic material behavior due to Zheng (1994) are extended to develop constitutive equations for the plastic parts of the rate of stretching and the spin. A key relation is established between components of the plastic part of the rate of stretching and the plastic spin. Comparisons with experiments are promising.

Publié le :
DOI : 10.1016/j.crme.2012.02.019
Mots clés : Orthotropic plastic flow, Plastic spin, Microstructural evolution
John L. Bassani 1 ; Haizhen Pan 2

1 Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA 19104, USA
2 Holtec International, Marlton, NJ 08053, USA 
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John L. Bassani; Haizhen Pan. A phenomenological model for microstructural evolution during plastic flow. Comptes Rendus. Mécanique, Volume 340 (2012) no. 4-5, pp. 369-377. doi : 10.1016/j.crme.2012.02.019. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2012.02.019/

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