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

Figure 7

Nyquist diagrams at different times under the condition of adding SDBS: (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)