GFRPと金属材料の接着スカーフ継手における引張強度

概要

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The strength evaluation of adhesive scarf joints under tensile load was investigated both analytically and experimentally. The scarf joints were constructed by two adherents of glass cloth laminated plastic (GFRP) and metal (carbon steel, brass, copper, or aluminum alloy). The adhesive was epoxy resin. The strain and stress distributions in the joints were analyzed by applying the elastic finite element method. The analytical strain distributions were in good agreement with the experimental ones. The strength of the joints was predicted by applying the strength laws to the adherents, adhesive layer and their interfaces. The joint strength depended on the adhesive strength or interfacial strength for short overlaps, and depended on the strength of metal adherent for long overlaps. The overlap length have little effect on the initial failure stress of the joints for the case of the adherents of copper, brass and aluminum alloy.
1988-09-15