The materials used in the present study were 2 mm thick AA5754 wrought sheet and 3 mm thick Aural2 die casting sheet. The
nominal chemical composition of the two materials is shown in Table 1. The epoxy adhesive used was DOW 1486, a one-part
crash-toughened adhesive typically used in automotive applications. The nominal mechanical properties of the materials used
in the present study are shown in Table 2.