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

Figure 6

Nyquist diagrams at different times under the condition of adding sodium succinate. (a) 0–3.0 h. (b) 3.0 h–9.0 h. (c) 9.0 h–11.0 h. (d) 11.5 h–14.0 h.

(a)

(b)

(c)

(d)