S2- 和Cl- 对316L奥氏体不锈钢的腐蚀钝化行为的协同作用
耿真真, 张钰柱, 杜小将, 吴汉辉

Synergistic Effect of S2- and Cl- on Corrosion and Passivation Behavior of 316L Austenitic Stainless Steel
GENG Zhenzhen, ZHANG Yuzhu, DU Xiaojiang, WU Hanhui
表3 在不同S2-浓度人工海水中恒电位极化后在人工海水中的EIS拟合参数
Table 3 Fitting parameters of EIS of 316L austenitic stainless steel after potentiostatic polarization in artificial seawater with different S2- concentrations

S2- concentrations

mmol·L-1

Rs

Ω·cm2

Rt

Ω·cm2

Yt

Ω-1·cm-2·s-n

nt

Rf

Ω·cm2

Yf

Ω-1·cm-2·s-n

nfχ2
023.795.00 × 1052.80 × 10-50.947.69 × 1061.46 × 10-60.838.0 × 10-4
0.123.804.65 × 1053.00 × 10-50.936.94 × 1062.88 × 10-60.859.0 × 10-4
123.652.77 × 1053.37 × 10-50.933.55 × 1061.16 × 10-60.931.2 × 10-3
1023.882.59 × 1053.80 × 10-50.922.67 × 1061.88 × 10-50.771.4 × 10-3
10023.671.76 × 1053.91 × 10-50.949.34 × 1053.67 × 10-50.922.0 × 10-3