S2- 和Cl- 对316L奥氏体不锈钢的腐蚀钝化行为的协同作用

S^2- 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2 不同S^2-浓度的人工海水中循环动电位极化曲线参数

Table 2 Fitting parameters of cyclic potentiodynamic polarization curves of 316L austenitic stainless steel in artificial seawater with different S^2- concentrations

S^2- concentrations / mmol·L^-1	I_corr / μA·cm^-2	E_corr / V	E_b / V	E_rp / V	E_b-E_rp / V
0	0.115	-0.199	0.310	-0.163	0.473
0.1	0.128	-0.298	0.331	-0.169	0.500
1	0.161	-0.372	0.358	-	-
10	0.194	-0.426	0.446	-	-
100	0.250	-0.527	-	-	-