超级13Cr不锈钢在饱和CO2 油田采出液中的缝隙腐蚀行为

陈旭, 刘宇航, 郭建, 王岐山, 刘畅, 刘彬

Crevice Corrosion Behavior of Super 13Cr Stainless Steel in Saturated CO2 Oilfield Produced Fluids

CHEN Xu, LIU Yuhang, GUO Jian, WANG Qishan, LIU Chang, LIU Bin

表2 不同缝隙宽度下超级13Cr不锈钢极化曲线拟合结果

Table 2 Fitting results of polarization curves of super 13cr stainless steel under different crevice widths

Crevice width / mm Ecorr / V Ipass / μA·cm-2 Passivation range / mV Etp / V 0.125 -0.605 3.98 197 -0.283 0.25 -0.562 21.50 170 -0.243 0.5 -0.501 147.91 96 -0.137