Deposition of Cerium-Based Conversion Coatings on Aluminum Alloy 380

Figure 8

Optical images of coatings deposited on substrates rinsed at 25°C (a) as deposited, and after salt spray testing for (b) 24 hours, (c) 96 hours, and (d) 192 hours.

(a)

(b)

(c)

(d)