Topic
Paris' law
About: Paris' law is a research topic. Over the lifetime, 13815 publications have been published within this topic receiving 224818 citations. The topic is also known as: Paris-Erdogan law.
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TL;DR: In this paper, a systematic study of the effects of stress ratio on small fatigue crack growth in Ti-6Al-4V was conducted, and significant scatter is observed in the small crack growth rates.
72 citations
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TL;DR: In this paper, the authors show how, for physically small cracks, the unified crack growth model, also referred to as Unigrow, can be related to the generalized Frost and Dugdale crack growth models.
72 citations
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TL;DR: In this article, glass/epoxy panels with stacking sequence [0/902]S and [ 0/452/0/−452]S were produced by vacuum resin infusion.
72 citations
01 Apr 1991
TL;DR: Fatigue Crack Growth (NASA/FLAGRO) computer program developed as aid in predicting growth of preexisting flaws and cracks in structural components of space systems and provides fracture-mechanics analyst with computerized method of evaluating "safe-crack-growth-life" capabilities of structural components.
Abstract: Fatigue Crack Growth (NASA/FLAGRO) computer program developed as aid in predicting growth of preexisting flaws and cracks in structural components of space systems. Is enhanced version of FLAGRO4 and incorporates state-of-the-art improvements in both fracture mechanics and computer technology. Provides fracture-mechanics analyst with computerized method of evaluating "safe-crack-growth-life" capabilities of structural components. Also used to evaluate tolerance to damage of structure of given design. Designed modular to facilitate revisions and operation on minicomputers. Written in FORTRAN 77.
72 citations
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TL;DR: In this article, the authors investigated the effect of sliding mode crack closure on crack growth in AISI C1018 steel and found that the crack surfaces in contact glide against each other, the friction, abrasion and mutual support between them reducing the effective stress at the crack tip.
72 citations