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Thomas BUSLAPS, K.a SOLODUCHA-Elastoplastic deformation and damage process in duplex stainless steels studied using synchrotron and neutron diffractions in comparison with a self-consistent model

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The article deals with the effect of stress triaxiality on the inelastic deformation behavior of aluminum alloys. The proposed continuum model takes into account a stress-triaxiality-dependent yield condition as well as a damage criterion with different branches corresponding to various damage modes depending on the stress triaxiality and the Lode parameter. Numerical simulations of experiments with smooth and pre-notched tension and shear specimens are presented covering a wide range of stress triaxialities. Numerical results show good agreement with available experimental data. The analyses allow verification of the macroscopic model and identification of material parameters.