Extensive experimental evidence indicates that yield surfaces exhibit significant anisotropic hardening. Subsequent yield surfaces are both translated and deformed in stress space. A viscoplasticity theory which describes anisotropic hardening by using a Lagrangian deformation mapping of the elastic domain is applied to the quantitative modelling of observed yield surface deformation of 1100-0 aluminum subject to non-proportional loading in tension-torsion space.
Issue Section:
Research Papers
Topics:
Anisotropy,
Deformation,
Hardening,
Aluminum,
Modeling,
Stress,
Surface deformation,
Tension,
Torsion,
Viscoplasticity
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Copyright © 1984
by ASME
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