テーパラップ継手とスカーフ継手の衝撃変形に及ぼす重ね合わせ接着接合部形状の影響

概要

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This paper discusses the dynamic strain and stress distribution of adhesively bonded joints having different configurations. The selected configurations are tapered lap and scarf joints. The dynamic deformation of the joints under impact loading is calculated using the finite element method. The calculated strains are compared with the experimentally measured dynamic strains. The bending effect for the tapered lap joints are more remarkable than those in the scarf joints when the joints are subjected to impact loading. Stress waves propagate in a complicated manner due to the bending effect and the reflection of the waves for the tapered lap joints; however the waves propagate smoothly for the scarf joints. The dynamic stress in the adhesive layer increases for the tapered lap joints with increasing in time, but the change in dynamic stress with respect to time is negligible for the scarf joints.
一般社団法人日本機械学会の論文
1996-03-25