Micromechanically-motivated phenomenological Hosford–Coulomb model for predicting ductile fracture initiation at low stress triaxialities

• Published in: International journal of solids and structures Vol. 67-68; pp. 40 - 55
• Main Authors: Mohr, Dirk, Marcadet, Stephane J.
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 15.08.2015
• Subjects: Ductile fracture; Hosford; Lode angle; Low stress triaxiality; Mohr–Coulomb; Shear localization; Hosford; Mohr–Coulomb; Ductile fracture; Shear localization; Low stress triaxiality; Lode angle

A phenomenological ductile fracture initiation model for metals is developed for predicting ductile fracture in industrial practice. Its formulation is based on the assumption that the onset of fracture is imminent with the formation of a primary or secondary band of localization. The results from a...