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이종 접합체의 계면균열에 대한 파괴인성의 평가방법An Evaluation Method of Fracture Toughness on Interface Cracks in Bonded Dissimilar Materials
- Other Titles
- An Evaluation Method of Fracture Toughness on Interface Cracks in Bonded Dissimilar Materials
- Authors
- 정남용
- Issue Date
- Aug-2003
- Publisher
- 한국자동차공학회
- Keywords
- Bonded dissimilar materials; Scarf joint; Interface crack; Boundary element method; Stress intensity factor; Fracture toughness; Fracture criterion; 이종 접합체; 경사이음; 계면균열; 경계요소법; 응력세기계수; 파괴인성; 파괴기준
- Citation
- 한국자동차공학회 논문집, v.11, no.4, pp.110 - 116
- Journal Title
- 한국자동차공학회 논문집
- Volume
- 11
- Number
- 4
- Start Page
- 110
- End Page
- 116
- ISSN
- 1225-6382
- Abstract
- In this paper, an evaluation method of fracture toughness on interface cracks has been investigated under various mixed-mode conditions of the bonded scarf joints. Two types of the bonded scarf joints with an interface crack were prepared to analyze the stress intensity factors using boundary element method(BEM) and to perform the fracture toughness test. From the results of fracture toughness experiments and BEM analysis, an evaluation method of fracture toughness on interface cracks in the bonded dissimilar materials has been proposed and discussed.
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