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가중함수법에 의한 볼트 체결부 균열의 임계 경사각 결정에 관한 연구
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 Title & Authors
가중함수법에 의한 볼트 체결부 균열의 임계 경사각 결정에 관한 연구
Heo, Seong-Pil; Yang, Won-Ho; Jeong, Gi-Hyeon;
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 Abstract
Mechanical joints such as bolted or riveted joints are widely used in mechanical components. The reliable determination of the stress intensity factors for cracks in bolted joints is needed to evaluate the safety and fatigue life of them. The weight function method is an efficient technique to calculate the stress intensity factors for various loading conditions because only the stress analysis of an uncracked model is required. In this paper the mixed-mode stress intensity factors for cracks in bolted joints are obtained by weight function method, in which the coefficients of weight function are determined by finite element analyses for reference loadings. Critical inclined angle that mode I stress intensity factor becomes maximum is determined and the effects of crack length and the magnitude of clearance on critical inclined angle are investigated.
 Keywords
Weight Function Method;Bolted Joint;Critical Inclined Angle;Contact;Clearance;Finite Element Method;
 Language
Korean
 Cited by
1.
가중함수법에 의한 기계적 체결부에 존재하는 타원형 모서리균열의 혼합모드 응력확대계수,허성필;양원호;김철;

대한기계학회논문집A, 2001. vol.25. 4, pp.703-713 crossref(new window)
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