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Damage and Crack Propagation at a Microstructural Scale

Published online by Cambridge University Press:  15 February 2011

Elisabeth Bouchaud ,
Florin Paun  and
Elodie Ducourthial
Elisabeth Bouchaud
Affiliation:
DSM/DRECAM/SRSIM, CEA-SACLAY, 91191 GIF-SUR-YVETTE Cedex, France
Florin Paun
Affiliation:
ONERA (DMMP), 29, Av. de la Division Leclerc, 92322 CHATILLON Cedex, France
Elodie Ducourthial
Affiliation:
ONERA (DMSE), 29, Av. de la Division Leclerc, 92322 CHATILLON Cedex, France
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Abstract

A quantitative analysis of the morphology of damage cavities in metallic materials is performed. At larger length scales, the self-affine correlation length of fracture surfaces is shown to be correlated to the grain size. These observations suggest a new scenario for the origin of scaling laws observed on fracture surfaces. It is argued that they reflect strong correlations in damage created prior to fracture during crack propagation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 578: Symposia A/C – Multiscale Phenomena in Materials - Experiments in Modeling , 1999 , 315
Copyright
Copyright © Materials Research Society 2000

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References

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