Abstract

Abstract The mechanical performance of a single lap joint (SLJ) is mainly affected by the lateral normal tensile stresses acting at the edges of its interlaminar adhesive layer (IAL). Owing to these stresses, the delamination failure which initiates at the IAL edges and propagates inward, is predominantly of the peel type. The subject of this study is the effect of constraint of the lateral deflection of adhering edges applied by tightly binding them together. Experimental results showed that the effect of this type of constraint is a reduction in the extent of peel and an overall increase in the joint tensile strength. This effect is more pronounced in the case of brittle than in the case of ductile adhesives.

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