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 J. Ocean Eng. Technol. 1999;13(4):63-74.
 Effect of the Moisture Environment on the Mechanical Properties of Carbon Fiber Laminates Kim, Won-Keun;Moon, Chang-Kwon; 적층형 탄소섬유 복합재료의 기계적 성질에 미치는 수분환경의 영향 김원근;문창권; 부경대학교 공과대학 재료공학부;부경대학교 공과대학 재료공학부; Copyright © 1999 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License Key Words: Moisture Environment, Carbon Fiber Cross Laminates, Unit Ply Thickness, Weight Gain of Water, Immersion Time 핵심용어: 수분환경, 직교 적층형 탄소섬유강화 복합재료, 단위 ply 두께, 수분흡수율, 침지시간 Abstract This study has been investigated about the influence of moisture environment on the mechanical properties in the carbon fiber cross laminates. And it has been also investigated the effect of unit ply thickness of the carbon fiber cross laminates on the mechanical properties in distilled water of $80^{circ}C$ for a certain period of time. As a results, it was found that the weight gain of water was increased with the immersion time and the bending strength and fracture toughness were decreased with the weight gain of water. And it was also shown that the bending strength and fracture toughness were decreased with the increasing of the unit ply thickness of carbon fiber cross laminates through the immersion time.