A Continuous Damage Mechanics Model for Ductile Fracture-Reference-Cited by-同舟云学术

A Continuous Damage Mechanics Model for Ductile Fracture

Published:1985-01-01 Issue:1 Volume:107 Page:83-89
ISSN:0094-4289
Container-title:Journal of Engineering Materials and Technology
language:en
Short-container-title:

Author:

Lemaitre Jean¹

Affiliation:

1. Laboratoire de Me´canique et Technologie, E.N.S.E.T/Universite´ Paris 6/C.N.R.S., 94230 Cachan, France

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.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/materialstechnology/article-pdf/107/1/83/5788781/83_1.pdf

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