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Asymptotic behavior of stress intensity factors near an angular point of a crack front

โœ Scribed by Jean-Baptiste Leblond; Dominique Leguillon

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
702 KB
Volume
18
Category
Article
ISSN
0997-7538

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โœฆ Synopsis

In a previous paper, the 3-D singularity that prevails at an angular point of a crack front was examined. Two cases can be distinguished according to whether the crack presents a notch or a corner in its plane. Here we concentrate on the case of a notch and examine the asymptotic behavior of the stress intensity factors along the crack front near the angular point. It is shown that these stress intensity factors go to infinity at that point. This means that crack propagation will occur in order to suppress the notch. 0 Elsevier, Paris asymptotic behavior / stress intensity factor / angular point / crack front

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