An Electrochemical Impedance Spectroscopic Study of the Passive State on AISI 304 Stainless Steel

Table 1

Passive element values for the equivalent circuit of model F obtained from the fitting procedure of types.

E/V	𝑅1	𝑌01	𝑛1	𝑅𝑃	𝑌0𝑃	𝑛2	𝑅𝐷	𝛿^2/𝐷	𝑅ct	𝑌01	𝑛3
	Ωcm^2	𝜇Fcm^−2		kΩcm^2	𝜇Fcm^−2		kΩcm^2		kΩcm^2	𝜇Fcm^−2
−0.2	1.87	213.44	0.78	3.37	498.25	0.95	10.80	4.42	68.43	121.03	0.89
0.0	1.99	317.53	0.73	7.52	318.42	0.88	4.29	4.44	78.94	129.89	0.93
0.2	2.16	314.71	0.69	9.69	191.95	0.85	1.94	4.96	162.02	66.53	0.99
0.4	1.38	33.66	0.94	26.83	78.14	0.90	1.70	4.13	146.39	54.83	0.99
0.6	1.15	6.44	0.99	95.51	27.99	0.94	1.09	3.86	17.75	734.29	0.99
0.8	1.24	0.91	0.99	10.02	90.79	0.86	2.10	3.86	54.31	72.568	0.95