Influence of Mechanical Behavior of Adhesives on Shear Stress Distributions in the Single-lap Adhesive Joints

摘要

This paper deals with the effects of mechanical behavior of adhesives on the shear stress distributions of single-lap adhesive joints under tension using the three-dimensional finite element analysis (FEA) technique. Numerical examples are provided to show the influence on the shear stresses of the joints using adhesives of different characteristics which encompass the entire spectrum of viscoelastic behavior. FEA solutions of the shear stress distributions in the adhesive layer have been obtained for four typical characteristics of adhesives. The results indicate that Young's modulus and Poisson's ratios of adhesives strongly affect the shear stress distributions of the joints.