GFRPと炭素鋼の接着スカーフ継手における曲げ強度

概要

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The effects of the overlap length on the strength of the adhesive scarf joint under bending were investigated analytically and experimentally. The scarf joints were constructed of glass cloth laminated plates (GFRP), carbon steel plates and epoxy resin. The stress distributions calculated by the finite element method nearly agreed with measured results. It was found that the stress distributions in the joints for long overlaps were large at the above end of the adhesive layer. The strength of the joints was estimated by applying strength laws of GFRP, carbon steel, the adhesive layer and their interfaces to the calculated stress distributions. It was shown that the joint strength depended on the interfacial strength for short overlaps, and on the strength of GFRP for long overlaps. When the strength of GFRP was the weakest of four parts, an initial fracture was observed on the specimen. The predicted results were in good agreement with the experjmental results.
一般社団法人日本機械学会の論文
1988-03-25