Elasto-viscoplasticity and thermophysical couplings
Plasticity in casting - Hot metals

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Elasto-viscoplasticity and thermophysical couplings
Plasticity in casting - Hot metals

Author : Eric FELDER

Review date: April 11, 2017 | Lire en français

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2. Elasto-viscoplasticity and thermophysical couplings

The elasticity and work hardening of the material can be accounted for at elevated temperatures as described in Sections 1 and 2 of the document [17]. Simply put, with regard to work hardening, the consistency K in the relations (3) varies with the generalized strain of the material for isotropic work hardening, and it may be necessary to introduce a kinematic tensor X into the expression of the criterion to account for the kinematic work hardening component.

2.1 Thermal Behavior and Thermomechanical Coupling

At elevated temperatures, the plastic flow...

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