As RE is beyond 0.1wt.%, creep rupture life decreases, especially when RE adds up to 1.0wt.%, the lifetime of SnAgCuRE solder joint is below that of Sn-3.8Ag-0.7Cu, but is similar to Sn-37Pb.

• 结果表明，在低应力条件下，Sn-3.；8Ag-0