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.
John L. Bassani 1; Haizhen Pan 2
@article{CRMECA_2012__340_4-5_369_0, author = {John L. Bassani and Haizhen Pan}, title = {A phenomenological model for microstructural evolution during plastic flow}, journal = {Comptes Rendus. M\'ecanique}, pages = {369--377}, publisher = {Elsevier}, volume = {340}, number = {4-5}, year = {2012}, doi = {10.1016/j.crme.2012.02.019}, language = {en}, }
John L. Bassani; Haizhen Pan. A phenomenological model for microstructural evolution during plastic flow. Comptes Rendus. Mécanique, Recent Advances in Micromechanics of Materials, 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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