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A simple plasticity model for modeling the stabilized cyclic stress‐strain responses is developed to consider the effect of non‐proportional additional hardening. In the proposed model, the plastic modulus for uniaxial loading is extended to multiaxial loading by introducing the non‐proportionality factor and the additional hardening coefficient. The two introduced factors take into account the effects...
Many recent works in inverse identification of constitutive parameters have pointed to the need of tests which exhibit heterogeneous strain paths. The present study details a new testing procedure based on out-of-plane motion capture by Stereo-Image Correlation (SIC). With the original test proposed hereby, a unique sample is deformed on a tensile machine along two perpendicular tensile directions,...
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