Figure 1. Tensile stress (σ) vs. strain (ε) curves at the strain rate of 6.56x10-4 /second and 300K for alloy AC2: 89.9Sn/3.3Ag/3Bi/3.7In/ 0.1Pb, alloy AC1: 89.8Sn/3.3Ag/3Bi/3.7In/0.2Pb, alloy AC+: 89.5Sn/3.3Ag/3Bi/3.7In/0.5Pb, alloy AC: 90Sn/3.3Ag/3Bi/3.7In and 63Sn/37Pb.