극저온 환경에서 탄소섬유강화 직조/일방향 복합재료의 인장 물성 측정 Tensile Properties of CERP Fabric/Unidirectional Composites under Cryogenic Environment

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This research aims to measure mechanical tensile properties of CFRP composites for cryogenic tank material. Through the cryogenic chamber, tensile tests are peformed under cryogenic temperature for graphite/epoxy fabric specimen aged at for 30hrs with load and graphite/epoxy unidirectional specimen 3-cycled from RT to with load. For graphite/epoxy fabric specimen, tensile modulus showed to increase after aging at cryogenic temperature(CT) while to decrease after aging at room temperature(RT) and tensile strength is more decreased after CT-aged than at RT-aged. For graphite/epoxy unidirectional specimen, tensile modulus was almost not changed after 3-cycling but strength showed the trend of decrease as increase the number of cycling.
Publisher
한국복합재료학회
Issue Date
2003-10
Language
KOR
Citation

한국복합재료학회 추계학술발표대회, pp.115 - 118

URI
http://hdl.handle.net/10203/152341
Appears in Collection
AE-Conference Papers(학술회의논문)
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