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일방향 탄소섬유강화 복합재료의 기계적 성질에 미치는 수 환경의 영향
손선영(Sun-Young Son),김재동(Jae-Dong Kim),고성위(Sung-Wi Koh) 한국해양공학회 1997 韓國海洋工學會誌 Vol.11 No.4
The purpose of this paper is to investigate the water environmental effect on the mechanical properties of carbon fiber/epoxy composites. Moisture concentration absorbed in CFRP under various water environment was calculated and degradation of mechanical properties for each wet composite laminates is investigated by performing the flexual and tensile test.<br/> The results show that moisture absorption is accelerated in higher temperature environment and under the same temperature sea water environment prompts more absorption than fresh water. As increasing the water temperature and moisture concentration tensile and flexual strength decreased as much as 25%~40% compared with dry condition.