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4 低碳钢在0.1 mol/L

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

溶液中浸泡的电化学阻抗拟合结果

Table 4 Fitting results for EIS plots in 0.1 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	-	-	-	0.29	0.8	3.90	-
9	0.16	0.5	1	0.34	1.0	4.70	-
23	0.07	1.0	11	1.40	0.6	2.00	4.9×10^-7
26	0.13	1.0	22	1.40	0.7	0.15	1.7×10^-17
41	0.20	1.0	40	1.20	0.7	0.17	1.0×10^-16
48	0.76	0.7	53	0.59	0.7	0.18	1.0×10^-17