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January 1, 1985Journal of Engineering Materials and TechnologyOpen Access

A Continuous Damage Mechanics Model for Ductile Fracture

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Abstract

A model of isotropic ductile plastic damage based on a continuum damage variable, on the effective stress concept and on thermodynamics is derived. The damage is linear with equivalent strain and shows a large influence of triaxiality by means of a damage equivalent stress. Identification for several metals is made by means of elasticity modulus change induced by damage. A comparison with the McClintock and Rice-Tracey models and with some experiments is presented for the influence of triaxiality on the strain to rupture.

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Cite This Study

Jean Lemaitre (1985) studied this question.

synapsesocial.com/papers/69d94eb87fca1f84ab684a2d https://doi.org/10.1115/1.3225775

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