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- Title
The constitutive equations for mixed hardening orthotropic material.
- Authors
Liu Teng-xi; Huang Shi-qing; Fu Yi-ming
- Abstract
A dimensionless stress yield criterion is proposed to describe the mixed hardening of orthotropic material, including kinematic hardening and proportional hardening, and the associated plastic flow law is derived. The generalized effective stress-strain formulae can be obtained correspondingly based on the experimental stress-strain curves in various simple stress states. The initial plastic anisotropy is influenced by the elastic anisotropy. The yield criterion can be reduced to Huber-Mises Criterion for isotropic materials and associated constitutive equations can be degenerated into Prandtl-Reuss equations.
- Subjects
ANISOTROPY; ELASTOPLASTICITY; CRYSTALLOGRAPHY; YIELD-line analysis; STRAINS &; stresses (Mechanics)
- Publication
Applied Mathematics & Mechanics, 2003, Vol 24, Issue 2, p216
- ISSN
0253-4827
- Publication type
Article
- DOI
10.1007/BF02437628