CF/GF ハイブリッド複合材の層間せん断強度と材料設計に関する一考察(<小特集>強化プラスチックス小特集)

概要

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According to the development of various new kinds of fiber with high strength and high rigidity suitable for reinforcing materials, active studies on the hybrid composite structures containing such fibers are being carried out lately. On the other hand, the fracture of interlaminars of hybrid composites comes into a problem as the hybridization of these materials becomes common. Therefore, it is necessary to consider the interlaminar shear strength so far as the two-dimensional woven stuffs such as the mat or the cloth reinforcement are employed. So, in this paper, the interlaminar shear behavior of the carbon/glass hybrid construction (polyester matrix) consisting of symmetrical five laminations was studied. Since the interlaminar shear strength of hybrid composites generally depends on the combination of fiber reinforcement and resin matrix, the interlaminar shear stress in the CF/GF hybrid composites was analyzed by applying the composite beam theory and then the minimization of the shear stress of hybrid composites was examined. As the results, a design guide for minimizing the interlaminar shear stress of the CF/GF hybrid composites was obtained. Furthermore, the improvement of their mechanical properties was discussed.
社団法人日本材料学会の論文
1984-01-15