Corrosion Resistance Evaluation of Self-Healing Epoxy Coating Based on Dual-Component Capsules Containing Resin and Curing Agent

Table 6

The EIS parameters for the scratched control and MC containing coatings after being immersed in 3.5% NaCl solution for 14 days (0.785 cm² circular contact area).

Sample	Rs (Ω cm^2)	Qcoat (sn.Ω^-1.cm^-2)	ncoat	Rpore (Ω cm^2)	Qdl (sn.Ω^-1.cm^-2)	ndl	Rct (Ω cm^2)	Goodness of fit
CTRL	0.65+03	2.46-05	5.28-01	1.33+03	1.60-05	5.77-01	2.67+04	2.12-03
Coating containing 1 wt% MCs	1.51+03	6.22-09	7.34-01	8.89+03	8.53-09	1.00-01	3.79+06	2.02-03
Coating containing 5 wt% MCs	1.38+03	6.04-09	7.31-01	1.03+04	6.59-09	1.00-02	2.25+06	1.87-03
Coating containing 10 wt% MCs	0.25+03	1.65-08	7.01-01	8.83+04	1.85-05	3.24-01	2.00+05	1.41-03