湿气管道积液区X70钢CO2 局部腐蚀行为研究

李强, 路程, 唐颖浩, 唐建峰, 刘炳成

Localized CO2 Corrosion of X70 Steel in Water Accumulation Zone of Wet Gas Pipelines

LI Qiang, LU Cheng, TANG Yinghao, TANG Jianfeng, LIU Bingcheng

表1 各不同位置处电极丝的EIS拟合结果

Table 1 EIS fitting results of wire beam electrodes at different positions

No. RSΩ·cm2 CPE-Y0Ω-1·s-n ·cm-2 CPE-n RctΩ·cm2 LH·cm2 RLΩ·cm2 14 10.95 0.001139 0.8974 96.92 722.2 211.9 22 12.48 0.001849 0.894 133.3 1143 417.8 51 9.429 0.001857 0.8551 72.93 547 174.2