Void Coalescence Model for Ductile Damage

D. L. Tonks

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https://doi.org/10.1063/1.1483...

Article . 2002 . Peer-reviewed

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https://dx.doi.org/10.1063/1.1...

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Void Coalescence Model for Ductile Damage

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Jan 2002Publisher:AIPJournal:AIP Conference Proceedings, volume 620, pages 611-614 (issn: 0094-243X,

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Authors: D. L. Tonks;

doi: 10.1063/1.1483613

Void Coalescence Model for Ductile Damage

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Abstract

A model for void coalescence for high strain rate ductile damage in metals is presented. The basic mechanism is void linking through an instability in the intervoid ligament. The formation probability of void clusters is calculated, as a function of cluster size, imposed stress, and strain. A wave speed limiting is applied to the cluster size enhancement of cluster growth. Due to lack of space, model formulas are merely described and not derived.

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Los Alamos National Laboratory
United States

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