Vol 66, No 1 (2014)

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Approximation of the Norton–Hoff plasticity model with isotropic hardening through Cosserat plasticity

P.M. Bies

Arch. Mech. 66 (1), 37-54, 2014

Keywords: Cosserat model; Norton-Hoff model; isotropic hardening; elasto-plastic deformations


Abstract


In this paper the regularizing properties of Cosserat elasto-plastic models in a geometrically linear setting are investigated. For vanishing Cosserat effects it is shown that the Norton–Hoff model with isotropic hardening is approximated by the model with microrotations.

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