Corrosion Behaviors of Microarc Oxidation Coating and Anodic Oxidation on 5083 Aluminum Alloy

Figure 12

Bode and Nyquist curves of anodic oxidation coating after being immersed in 3.5 wt.% NaCl solution for (a, b) 1 day, (c, d) 12 days, (e, f) 32 days, and (g, h) 63 days.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)