尾矿库埋入式传感器不锈钢外壳腐蚀研究

王淇萱, 吕文生, 杨鹏, 诸利一, 廖文景, 朱远乐

Corrosion of Stainless Steel Shell of Embedded Sensor in Tailings Pond

WANG Qixuan, LYU Wensheng, YANG Peng, ZHU Liyi, LIAO Wenjing, ZHU Yuanle

表2 316L不锈钢试样在3种模拟液中浸泡不同时间的极化曲线的拟合结果

Table 2 Fitting electrochemical parameters of polarization curves of 316L stainless steel after immersion for different time in three simulated solutions

pH Soaking time / d EbVSCE EcorrVSCE IcorrμA∙cm-2 pH Soaking time / d EbVSCE EcorrVSCE IcorrμA∙cm-2 pH Soaking time / d EbVSCE EcorrVSCE IcorrμA∙cm-2 0 0.763 -0.147 1.410 0 0.256 -0.326 1.933 0 0.224 -0.167 0.096 7 0.795 0.016 0.116 7 0.390 0.034 0.027 7 0.541 -0.045 0.106 15 0.801 0.034 0.148 15 0.512 -0.121 0.018 15 0.353 -0.086 0.127 1.5 30 0.840 0.160 0.120 3 30 0.525 -0.116 0.153 7.5 30 0.477 -0.133 0.038 60 0.836 0.023 0.191 60 0.420 0.027 0.082 60 0.550 -0.080 0.071 120 0.810 0.111 0.103 120 0.397 -0.165 0.170 120 0.456 -0.176 0.171 360 0.812 0.013 0.261 360 0.480 -0.294 0.875 360 0.530 -0.239 0.698