The Evaluation of Fracture Toughness of SMC Composite Material and Carbon/Epoxy Composite Material |
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| SMC 복합재료와 Carbon/Epoxy 복합재료의 파괴인성평가 |
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최영근,이유태,이태순 |
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영남대학교 정밀기계공학과 대학원,영남대학교 정밀기계공학과 대학원,영남대학교 정밀기계공학과 대학원 |
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© 1993 The Korean Society of Ocean Engineers
Open access / Under a Creative Commons License
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| Keywords:
Plain Woven Composite Material, Sheet Moulding Compound, SMC, Area Method, Total Energy Release Rate, Locus Method, Frature Toughness |
| 핵심용어:
평직복합재료, 면적법, 전에너지 방출율, 일반궤적법, 파괴인성 |
| Abstract |
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In composite materials, the fracture perpendicular to the fiber direction usually shows a non-linear behavior accompannying blunting and plastic deformation around the crack tip. In this study, the fracture thoughness in random short fiber SMC composite material and Carbon/Epoxy composite material is estimated by the A.M.(Area Method) and the G.L.M.(Generalized Locus Method) which can determine a stable total energy release rate(G$_T$) not only in highly elghly elastic material but also in highly non-linear materials. |
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