粒径和温度对20号钢冲刷腐蚀协同作用的影响

任莹, 赵会军, 周昊, 张建伟, 刘雯, 杨足膺, 王磊

Effect of Sand Size and Temperature on Synergistic Effect of Erosion-corrosion for 20 Steel in Simulated Oilfield Produced Fluid with Sand

REN Ying, ZHAO Huijun, ZHOU Hao, ZHANG Jianwei, LIU Wen, YANG Zuying, WANG Lei

表6 不同温度下20号钢的电化学阻抗谱拟合数据

Table 6 Fitting parameters of EIS of 20 steel at different temperatures

Temperature / ℃ Rs / Ω·cm2 Rp1 / Ω·cm2 CPE1-Y0 / Ω·cm2·s-1 n Rp2 / Ω·cm2 CPE2-Y0 / Ω·cm2·s-1 n 20 6.505 59.18 4.494×10-3 0.8615 64.74 0.5808 0.7872 40 5.435 33.41 6.42×10-3 0.7996 15.69 0.8933 1 60 2.421 11.04 1.291×10-2 0.8435 12.22 0.6431 0.8808 80 2.69 2.111 2.854×10-4 0.7203 4.909 0.03139 0.7417