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논문 기본 정보

저자정보
(목포해양대학교) (목포해양대학교) (군산대학교) (목포해양대학교)
저널정보
대한조선학회 대한조선학회 논문집 대한조선학회논문집 제57권 제2호(통권 제230호)
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피인용 2

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    초록·키워드

    The study aims to improve the previous theory-based algorithm on the lightweight design of laminate structures of a composite ship based on the mechanical properties of fiber, resin, and laminates obtained from experiments. From a case study on using a hydrometer to measure the specific gravity of e-glass fiber woven roving fabric/polyester resin used as the raw material for the hull of a 52 ft composite ship, the equation for calculating the weight of laminate was redefined, and the relationship between decreasing mechanical properties and increasing glass content was determined from the results of material testing according to ASTM D5083 and ASTM D790. After applying these experimental data to the existing algorithm and improving it, a possible laminate design that maximizes the specific strength of the composite material was confirmed. In a case study that applied the existing algorithm based on rules, the optimal lightweight design of composite structures was achieved when the weight fraction of e-glass fiber was increased by 57.5% compared with that in the original design, but the improved algorithm allowed for an increase of only 17.5%.

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      UCI(KEPA) : I410-ECN-0101-2020-538-000530551