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논문 기본 정보

저자정보
(국방과학연구소) (충남대학교) (충남대학교) (충남대학교)
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대한기계학회 대한기계학회 춘추학술대회 대한기계학회 2016년도 학술대회
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    초록·키워드

    Advanced composite material consists of fibers of high specific strength and stiffness embedded in a stabilizing resin matrix of lower stiffness and strength. For composite structure, the longitudinal tension and compression are carried by the fibers. The matrix distributes the load between the fibers for the tension case and it stabilizes and prevents the fibers from buckling for the compression case. The fiber dominates the tensile properties and the matrix dominates the compression and in-plane shear.
    The lap shear joint where all of the load in the structural members is transferred through the joining fasteners. This paper presents joint strength for laminate of advanced composite material in the bolted joints. The single lap joints were investigated experimentally with respect to stabilized and unstabilized lap joints. The stabilized single lap joint means joints with out-of-plane rotational constraints. The unstabilized single lap joint is joint without out-of-plane deflection constraints.
    The standard angles 0 degree, +45 degree, -45 degree and 90 degree, in the laminate reference system, were used for ply orientation within a laminate. The composite material used in this paper is a carbon/epoxy unidirectional(UD) tape prepreg cured at 350F. A total of 112 single lap joint tests were conducted on specimens from 8 distinct laminates. The ASTM-D-5961M standard was used for stabilized and unstabilized single lap shear joints.

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      UCI(KEPA) : I410-ECN-0101-2017-550-002049623