多介质在碳钢腐蚀过程中的协同作用

张少华, 李彦睿, 卫英慧, 刘宝胜, 侯利锋, 杜华云, 刘笑达

Synergistic Effect of Multi-media on Carbon Steel Corrosion

ZHANG Shaohua, LI Yanrui, WEI Yinghui, LIU Baosheng, HOU Lifeng, DU Huayun, LIU Xiaoda

表3 碳钢在CO₂ (1 bar)+0.1 mol/L Cl^-+0/0.05/0.1/0.5 mol/L HCO₃^-溶液体系中所得动电位极化曲线的拟合参数值

Table 3 Parameters of potentiodynamic polarization curves of carbon steel in solutions containing CO₂ (1 bar)+0.1 mol/L Cl^-+0/0.05/0.1/0.5 mol/L HCO₃^-

[HCO₃^-]/mol·L^-1	E_corr (V vs. SCE)	E_pass(V vs. SCE)	I_corr/10^-6A·cm^-2	β_a (V/dec)	β_c (V/dec)
0	-0.7395	-	173.875	182.5	472.7
0.05	-0.7457	-	164.961	213.6	366.1
0.1	-0.7570	0.8716	135.364	219.8	275.9
0.5	-0.7825	-0.1264	103.323	163.2	151.6