1991 | OriginalPaper | Buchkapitel
Upper Bound Approach for Prediction of Occurence of Ductile Fracture in Metal Forming
verfasst von : S. Shima, M. Oka
Erschienen in: Advances in Continuum Mechanics
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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With a view to prediction of occurrence of fracture, ductile fracture criteria have been proposed [1,2]. Since ductile fracture is the final stage of void growth, i.e. coalescence of voids, there are quite a few reports on calculation of void volume fraction based on the evolution equations in various metal forming processes [3–5], although the occurrence of central bursting cannot be predicted.