Research of mechanical properties of adhesive bonding of single lap joints with reinforcements

In order to enhance the mechanical properties of adhesive bonding of single lap joints (SLJs), the adhesive bonding of SLJs with reinforcements was designed based on Goland and Reissner's one-dimensional beam theory model. The adhesive bonding of SLJs whose adherends were aluminum alloy 5052 (AA joints), Al5052 with reinforcement (AAT joints) were separately tested under tension-shear loading and fatigue load, and the effectiveness of experimental data was analyzed by Normal distribution and Weibull distribution. The results show that the mechanical properties of joints are influenced by the stiffness at the end of the overlap region. The static strength of AAT joints increased by 3.8%. The energy absorption capacity of AAT joints increased by 60.2%. The deformation of AAT joints reduced by 38.5%. The fatigue properties of AAT joints increased by 30.3%.