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1 不同粒径下20号钢冲刷腐蚀极化曲线拟合数据

Table 1 Fitting parameters of erosion-corrosion polarization curves of 20 steel under the conditions of different sand sizes

Sand size / μm Ecorr / V Icorr / A·cm-2 40~70 -0.660 1.194×10-4 70~120 -0.712 1.717×10-4 120~200 -0.664 1.906×10-4 200~300 -0.663 1.469×10-4