On the application of the plastic spin concept for the description of anisotropic hardening in finite deformation plasticity |
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Authors: | Jü rgen E. Paulun,Ryszard B. Pcherski |
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Affiliation: | 1. Department of Mechanical Engineering, Shiraz University, Shiraz 71936, Iran;2. Department of Mechanical Engineering, Fasa University, Fasa, Iran |
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Abstract: | The aim of the paper is to fill the gap between the general theoretical formulation of the constitutive relations for plastic spin and practical applications for proper prediction of material behavior at finite plastic deformations and anisotropic hardening. An approximation to the representation of the general constitutive equation for plastic spin is considered and the pertinent substructure corotational rate is applied to formulate the relation for rigid-plastic material with kinematic hardening. The simple shear traction problem is analysed and the proposed model is verified with the experimental results of Swift. The merits of the present proposal vis-à-vis the existing theories are discussed. |
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