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A Study on Fatigue Fracture Behaviour of Surface Crack in Finite Plates and Fillet Weldment  

한문식 (계명대학교 기계ㆍ자동차공학부)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.12, no.4, 2004 , pp. 65-73 More about this Journal
Abstract
Fatigue crack growth from surface defects is one of the most important subjects for the evaluation and the assurance of safety in pressure vessels, piping systems, LPG/LNG fuel tank and other various structures. This paper attempts to analysis some practical or general problems such as the estimation of crack growth life to penetrate the plate thickness, based on fatigue crack growth a single surface flaw and the interaction of multiple flaws. An experiment on the coalescence of multiple undercuts was carried out under cyclic tension condition as a attempt to the analysis of multiple crack problems. It is noted that the fracture strength is characterized by the analogy to that in a single crack growth.
Keywords
Fatigue fracture; Fillet weldment; Undercut; Multiple crack; Beach mark method;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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