JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
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Probabilistic Distribution of Fatigue Crack Growth Life Considering Effect of Crack Coalescence
Han-Yong YOONSang-Chan LEE
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2003 Volume 46 Issue 4 Pages 607-612

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Abstract

The studies of probabilistic distribution of fatigue crack growth life (or the fatigue fracture probability) have been reported. However, some studies have concluded that each crack grows independently, without crack coalescence; while others indicate the defects should be treated as 2-dimensional cracks. In this study, a method to predict the probabilistic distribution of fatigue crack growth life that considers crack coalescence of the surface crack at the welded line is presented, and the influence of several parameters on the life distribution is discussed.

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© 2003 by The Japan Society of Mechanical Engineers
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