Table 2: Comparison of experimental and FEM results with % error.

Aluminium-FeAluminium-CuAluminium-void

Test 151.09150.81249.721
Test 251.06750.83349.879
Test 351.12750.73849.648
Exptl. average51.09550.79449.749
FEM50.08750.0049.57
Error1.97%1.56%0.36%