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J. Ocean Eng. Technol. 1997;11(4):31-39.    

Effect of Sunshine Treatment on Strength in Al 6061/AFRP Hybrid Composite
Al 6061/AFRP 하이브리드 복합재료의 강도특성에 미치는 내후성 영향
윤한기,김연겸,차영준
동의대학교 기계공학과,동의대학교 기계공학과,동의대학교 기계공학과
© 1997 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: Tensile and shear strength, Sunshine treatment, Aramid patched aluminum alloy, APAL
핵심용어: 인장,전단강도, 내후성처리, 알루미늄 합금에 아라미드 섬유 접착 복합재료
Abstract
This research is to evaluate the effect of sunshine treatment on the strength in the Al 6061/AFRP hybrid composite(APAL). APAL specimens were processed by autoclave curing system under the constant condition of curing temperature, time and aluminum surface pertreatment. Aramid patched aluminum alloy can be widely used for the repair of the damage part of the aircraft. The tensile strength of the sunshine treated APAL 2P and 6P composite is 14%, 22% smaller than that of the non-treated material. The interlaminar shear strength of the APAL specimens for the adhesive length of 5mm is 24% higher than that of the APAL for the adhesive length of 10mm. In the case of APAL DS 1P material, interlaminar shear strength of the specimen which was sunshine treated for 200 hours is 21% smaller than that of the non-treated material while interlaminar shear strength of the specimen which was immersed in a 70.deg. C fresh water for 1200 hours decreases by 75.7%.
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