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

Table 1

Fitting parameters of equivalent circuit.

	Rs (Ω·cm^2)	Rct (Ω·cm^2)	Y0 (10^−4Ω^−1·cm^−2·s^−1)	ndl	ZCRACK (Ω·cm^2)
Blank	0.71–0.82	0.19–0.27	0.81–2.13	0.87–0.93	3284–3416
Sodium succinate	0.81–0.94	0.78–1.41	0.22–0.42	0.78–0.92	5150–5752
New corrosion inhibitor	0.69–0.79	0.21–0.38	0.8–2.31	0.76–0.95	4095–4271
SDBS	0.73–0.80	0.23–0.47	0.72–2.36	0.75–0.94	3386–3774