Study on the Electrochemical Performance of Sacrificial Anode Interfered by DC Stray Current

Table 3

The corrosion electrochemical parameters of the sacrificed anode interfered with different DC voltage.

Experiment days; (d)	DC; voltage; (V)	Cathodic slope	Anodic; slope	Polarization resistance (Ωcm^2)	Corrosion current density; (μA/mm^2)
0	0	-6.35	5.772	5.161	0.83
	1	-5.131	4.834	2.184	2.31
	3	-5.191	4.386	2.608	1.74
	5	-5.392	4.653	1.781	2.43
2	0	-4.738	5.027	5.741	0.74
	1	-5.813	4.396	3.670	1.63
	3	-4.729.	5.495	5.363	1.59
	5	-5.037	4.701	2.049	2.11
4	0	-5.092	5.168	7.206	0.43
	1	-4.641	5.0821	4.693	0.98
	3	-4.447	5.372	6.452	0.66
	5	-5.623	5.372	2.164	2.08
6	0	-4.438	5.172	9.561	0.43
	1	-4.713	5.626	5.775	0.76
	3	-4.732	4.916	7.354	0.52
	5	-5.151	5.517	2.405	1.87
8	0	-5.405	5.88	12.063	1.55
	1	-4.724	5.118	6.379	0.71
	3	-4.251	4.976	8.018	0.49
	5	-4.233	4.777	3.681	0.22