Investigation on the Effect of Green Inhibitors for Corrosion Protection of Mild Steel in 1 M NaOH Solution

Figure 3

SEM images of MS specimen: (a) polished specimen before immersion, (b) specimen in 1 M NaOH solution with inhibitor after immersion, and (c) specimen in 1 M NaOH solution without inhibitor after immersion.

(a)

(b)

(c)