Dynamic Failure of Ductile Materials

The failure of ductile materials subject to high loading rates is notably affected by material inertia. We analyze how strain localization and fracture are influenced by inertia through selected topics comprising dynamic necking, fragmentation, adiabatic shear banding and dynamic damage by micro-voi...

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Bibliographic Details
Published inProcedia IUTAM Vol. 10; pp. 201 - 220
Main Authors Molinari, Alain, Mercier, Sébastien, Jacques, Nicolas
Format Journal Article
LanguageEnglish
Published Elsevier B.V 2014
Elsevier
Subjects
ductile materials
dynamic damage
dynamic fracture
Engineering Sciences
high strain rates
inertia
inertia
ductile materials
dynamic fracture
dynamic damage
high strain rates
Online AccessGet full text
ISSN2210-9838
2210-9838
DOI10.1016/j.piutam.2014.01.019

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Summary:The failure of ductile materials subject to high loading rates is notably affected by material inertia. We analyze how strain localization and fracture are influenced by inertia through selected topics comprising dynamic necking, fragmentation, adiabatic shear banding and dynamic damage by micro-voiding. A multiscale modeling of the behavior of voided visco-plastic materials is proposed that extends classical models by including microscale inertia. Applications to spalling and dynamic fracture reveal that microscale inertia has first order effects on results.
ISSN:2210-9838
2210-9838
DOI:10.1016/j.piutam.2014.01.019