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틸팅열차 차체용 탄소섬유직물/에폭시 복합재의 모우드 II 층간파괴인성 평가Evaluation of Mode II Interlaminar Fracture Toughness for Carbon Fabric/Epoxy Composites for Tilting Train Carbody
- Other Titles
- Evaluation of Mode II Interlaminar Fracture Toughness for Carbon Fabric/Epoxy Composites for Tilting Train Carbody
- Issue Date
- 2005
- Publisher
- 한국철도학회
- Keywords
- 모우드 II 층간파괴인성; 탄소섬유직물/에폭시 복합재; 틸팅열차 차체; Mode II Fracture Toughness; Carbon Fabric/Epoxy Composites; Tilting Train Carbody
- Citation
- 한국철도학회논문집, v.8, no.2, pp 195 - 202
- Pages
- 8
- Journal Title
- 한국철도학회논문집
- Volume
- 8
- Number
- 2
- Start Page
- 195
- End Page
- 202
- ISSN
- 1738-6225
2288-2235
- Abstract
- Mode II interlaminar fracture behaviors of carbon fabric/epoxy composites, which are applicable to tilting train carbodies, was investigated by the ENF (End notched flexure) test. The specimens were made of CF3327 plain woven fabric with epoxy and a starter delamination at one end was made by inserting Teflon film with the thickness of 12.5㎛ or 25.0㎛. The equation for mode II interlaminar fracture toughness was suggested based on the effective crack length from the compliance of load-displacement curve. Mode II interlaminar fracture toughness was evaluated for several types of the specimens. Also crack propagating behaviors and fracture surfaces were examined through an optical travelling scope and a scanning electron microscope.
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