
doi: 10.1007/bf00534484
An isotropic theory of plasticity is proposed in which expansion, rotation and translational movement of the yield surface are taken into account. The properties of the anisotropic parameters are investigated for some measured data. The incremental constitutive equation is then derived. The resulting constitutive equation is used to predict the shapes of subsequent yield surfaces.
Plastic materials, materials of stress-rate and internal-variable type
Plastic materials, materials of stress-rate and internal-variable type
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