Modeling of shear ductile fracture considering a changeable cut-off value for stress triaxiality

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Ductile fracture experiments with locally proportional loading histories (2016, methodology): “Moreover, knowledge of the strain to fracture as a function of the stress state for proportional loading is also a main ingredient of fracture initiation models that fall into the category of damage indicator models (e.g. Wilkins et al., 1980; Bai and Wierzbicki, 2010; Lou et al., 2014; Mohr and Mar”
Ductile fracture of aluminum 2024-T351 under proportional and non-proportional multi-axial loading: Bao–Wierzbicki results revisited (2015, background): “Ductile fracture under proportional loading has been the subject of numerous recent investigations (e.g. Gao et al., 2010; Nielsen and Tvergaard, 2010; Lecarme et al., 2011; Gruben et al., 2012; Graham et al., 2012; Lou et al., 2013; Faleskog and Barsoum, 2013; Xue et al., 2013).”
The Interaction of Dislocations and Hydrogen-vacancy Complexes and Its Importance for Deformation- induced Proto Nano-voids Formation in α-Fe (2015, background): “Some other studies attributed the cause for embrittlement to H-enhanced vacancy (Va) generation and accumulation (Nagumo et al., 2001; Sakaki et al., 2006; Takai et al., 2008).”