模拟高放废物地质处置环境下重碳酸盐浓度对低碳钢活化/钝化腐蚀倾向的影响<sup>*</sup>

Processing math: 100%

模拟高放废物地质处置环境下重碳酸盐浓度对低碳钢活化/钝化腐蚀倾向的影响^*

文怀梁, 董俊华, 柯伟, 陈文娟, 阳靖峰, 陈楠

ACTIVE/PASSIVE BEHAVIOR OF LOW CARBON STEEL IN DEAERATED BICARBONATE SOLUTION

WEN Huailiang, DONG Junhua, KE Wei, CHEN Wenjuan, YANG Jingfeng, CHEN Nan

表1 低碳钢在0.01 mol/L

$H C O_{3}^{-}$

溶液中浸泡的电化学阻抗拟合结果

Table 1 Fitting results for EIS plots in 0.01 mol/L

$H C O_{3}^{-}$

solution

Time / d	Y_r mS·sⁿ·cm^-2	n_r	R_r Ω· cm²	Y_dl mS·sⁿ·cm^-2	n_dl	R_ct kΩ·cm²	Y_w mS·s^0.5·cm^-2
Initial	-	-	-	0.33	0.7	3.4	-
5	0.28	0.5	2.7×10^-5	0.11	1.0	6.7	-
14	0.11	1.0	15	0.33	0.5	6.9	-
27	0.14	1.0	46	0.52	0.5	6.6	-
33	0.66	0.8	62	0.83	0.2	6.9	-
59	1.40	0.9	89	3.60	0.6	7.1	120