Study on Crack Initiation and Propagation of New Corrosion Inhibitor during Stress Corrosion of Aluminum Alloy

Figure 4

SEM images of the fracture morphology (×1000): (a) without inhibitor. (b) 0.5 g/L SDBS. (c) 7.5 g/L sodium succinate. (d) 0.6 g/L new corrosion inhibitor.

(a)

(b)

(c)

(d)