地质处置低氧过渡期<strong>X65</strong>低碳钢腐蚀行为研究

地质处置低氧过渡期X65低碳钢腐蚀行为研究

刘灿帅,田朝晖,张志明,王俭秋,韩恩厚

Corrosion Behaivour of X65 Low Carbon Steel During Redox State Transition Process of High LevelNuclear Waste Disposal

Canshuai LIU,Zhaohui TIAN,Zhiming ZHANG,Jianqiu WANG,En-Hou HAN

表2 X65低碳钢在80 ℃低氧饱和膨润土中腐蚀60~150 d EIS的拟合结果

Table 2 Fitting parameters of EIS of X65 low carbon steel in anoxic saturated bentonite at 80 ℃ for 60~150 d

Time d	R_s Ω·cm²	Y_dl 10^-4·Ω^-1·cm^-2·s^-ⁿ	n_dl	R_ct Ω·cm²	Y_f 10^-4·Ω^-1·cm^-2·s^-ⁿ	n_f	R_f Ω·cm²	W
60	85	6.94	0.78	1506	7.65	0.79	1036	12.82
80	88	3.89	0.79	1582	7.40	0.75	1461	9.54
100	90	5.52	0.80	1692	7.09	0.77	1878	4.62
120	111	4.28	0.77	1708	7.01	0.75	3076	3.56
150	147	5.49	0.79	1830	6.96	0.76	3374	2.87