Research Article

Corrosion and Leaching Behaviours of Sn-0.7Cu-0.05Ni Lead-Free Solder in 3.5 wt.% NaCl Solution

Figure 9

Surface morphology analysis of Sn-Cu-Ni (a) solder alloy and (b) solder joint and their corresponding EDS spectra after 30-day leaching measurements in 3.5 wt.% NaCl solution.
(a)
(b)