曲げモーメントを受ける突合せバンド接着継手の二次元応力解析

概要

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The stresses of band adhesive butt joints subjected to external bending moments, in which adhesive bonds were used partially at the interface, were analyzed using a two-dimensional theory of elasticity in order to establish the fracture criteria of joints. Similar adherends and adhesive bonds which were used at two or three regions at the interface were replaced with finite strips in the analysis. In numerical computations, the effects of the ratio of Young's modulus of adherends to that of adhesives, the thickness of the adhesive and the bonding area and positions on the stress distributions at the interface were shown. It was found that band adhesive joints were effective when the bonding area and positions were varied with external load distributions. The stress distribution near the singular point at the interface were expressed approximately. Photoelastic experiments and experiments concerning the strains of adherends were performed. The analytical results were fairly consistent with the experimental results.
社団法人日本機械学会の論文
1990-11-25