Corrosion Behavior of Zinc-Graphite Metal Matrix Composite in 1 M of HCl

Figure 5

Optical micrographs of the corroded surfaces of unreinforced Zn matrix after immersion in 1 M HCl solution for (a) 24 hr, (b) 48 hr, (c) 72 hr, and (d) 96 hr.

(a)

(b)

(c)

(d)