Research Article

XPS Depth Study on the Liquid Oxidation of Sn-Bi-Zn-X(Al/P) Alloy and the Effect of Al/P on the Film

Figure 1

Oxidation appearances of (a) Sn-58Bi, (b) Sn-40Bi-2Zn, (c) Sn-40Bi-2Zn-0.005P, and (d) Sn-40Bi-2Zn-0.005Al after exposure in air at 170°C for 1 h.
(a)
(b)
(c)
(d)