Modeling of ductile damage in metal forming : Mechanisms of ductile damage

Mechanisms of ductile damage
Modeling of ductile damage in metal forming

Authors : Trong Son CAO, Pierre-Olivier BOUCHARD

Review date: September 10, 2021 | Lire en français

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1. Mechanisms of ductile damage

1.1 General ductility characteristics of metallic materials

Ductility is understood as the intrinsic ability of a material to undergo a certain amount of plastic deformation without fracture (or meso-crack formation). Ductile fracture of a metallic material occurs through the development of micro-voids or shear bands in the metal matrix, around inclusions or other discontinuities such as grain boundaries. Damage occurring at high plastic deformations is called ductile damage (as opposed to brittle...

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Mechanisms of ductile damage