Abstract The stress of band adhesive butt joints, in which two adherends were bonded partially at the interfaces, were analyzed, using a two-dimensional theory of elasticity, in order to demonstrate the usefulness of the joints. In the analysis, similar adherends and adhesive bonds, which were bonded at two or three regions, were respectively replaced by finite strips. In the numerical calculations, the effects of the ratio of Young’s modulus for adherends to that for adhesives, the adhesive thickness, the bonding area and position, and the load distribution were shown on the stress distribution at the interface. It was seen that band adhesive joints were effective when the bonding area and positions were changed with external load distributions. Photoelastic experiments and experiments concerning the strains of adherends were conducted. The analytical results were in a fairly good agreement with the experimental results. In addition, a method for estimating joint strength is proposed by using the stress distribution at the interface obtained by the analysis. Experiments concerning the joint strength were performed. Fairly good agreement was found between the estimated values and the experimental results.
Sawa et al. (Sun,) studied this question.