A generalized formulation of the concept of nonhardening region

A stable hysteresis loop is realized under a cyclic loading between fixed strain limits for metals. To describe this phenomenon the idea of memory hypersphere was proposed by Chaboche et al. [1979] and it has been extended by Ohno [1982] as the concept of nonhardening (strain) region, which assumes...

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Bibliographic Details
Published in:International journal of plasticity 1995, Vol.11 (4), p.347-365
Main Authors: Hashiguchi, K., Yoshimaru, T.
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: structure, mechanical and thermal properties
Deformation and plasticity (including yield, ductility, and superplasticity)
Exact sciences and technology
Mechanical and acoustical properties of condensed matter
Mechanical properties of solids
Metals. Metallurgy
Physics
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Summary:A stable hysteresis loop is realized under a cyclic loading between fixed strain limits for metals. To describe this phenomenon the idea of memory hypersphere was proposed by Chaboche et al. [1979] and it has been extended by Ohno [1982] as the concept of nonhardening (strain) region, which assumes that an isotropic hardening does not proceed when a plastic strain exists inside a hypersphere in the plastic strain space. A generalized formulation for this concept is presented in this article, which concerns isotropic-kinematic hardening materials, not limited to metals, undergoing a large deformation with a material rotation.
ISSN:0749-6419
1879-2154
DOI:10.1016/S0749-6419(95)00003-8