A new approach for failure criterion for sheet metals

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Critical analysis of necking and fracture limit strains and forming forces in single-point incremental forming (2014, background): “This description explains successfully the beneficial bending effects in stretchbending operations, as it was also observed by Stoughton and Yoon [12].”
Experimental characterization and numerical modeling of micromechanical damage under different stress states (2013, background): “Stoughton and Yoon [11] proposed a new rupture approach based on the maximum shear stress.”
Ductile fracture of aluminum 2024-T351 under proportional and non-proportional multi-axial loading: Bao–Wierzbicki results revisited (2015, methodology): “Stoughton and Yoon (2011) made use of their data to show that a Mohr–Coulomb criterion can describe the onset of fracture in stress space.”
Micromechanically-motivated phenomenological Hosford–Coulomb model for predicting ductile fracture initiation at low stress triaxialities (2015, background): “(17)) directly even if the loading path is non-proportional (e.g. Stoughton and Yoon (2011) and Khan and Liu (2012)).”
Orthotropic ductile fracture criterion based on linear transformation (2017, background): “In order to extend the fracture criterion to anisotropy, the yield function proposed by Yoon et al. [4] has been utilized.”