Thermodynamics of quasi–rate-independent inelastic micromorphic polycrystals

Mićunović, M. (2009) Thermodynamics of quasi–rate-independent inelastic micromorphic polycrystals. Il nuovo cimento C, 32 (1). pp. 143-157. ISSN 1826-9885

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The paper deals with some new evolution equations for gradient viscoplasticity. Geometric and kinematic aspects of intragranular as well as intergranular plastic deformation of polycrystals are briefly discussed. Low-order inelastic polycrystals with homogeneous grain strains are considered. A homogenization of total, plastic and elastic strains has been done. By tensor representation applied to 3-tensors as well as to 2-tensors a simple case of gradient theory is formulated with a new evolution equation for plastic stretching gradient. An endochronic thermodynamics covering creep-plasticity interaction is applied.

Item Type: Article
Uncontrolled Keywords: Viscoelasticity, plasticity, viscoplasticity ; Theories and models of crystal defects ; Mechanical testing, impact tests, static and dynamic loads
Subjects: 500 Scienze naturali e Matematica > 530 Fisica > 536 Calore > 536.7 Termodinamica
Depositing User: Marina Spanti
Date Deposited: 24 Mar 2020 16:23
Last Modified: 24 Mar 2020 16:23

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