ABSTRACT In this study, aluminum (Al) was added to a SAC205-1In in order to produce (96.5-x)Sn-2Ag-0.5Cu-1In-(x)Al, quinary solder alloys that do not contain lead (Pb), where (x = 0.3 wt%, 0.5 wt%, 0.7 wt%, 0.8 wt%, ...