环境变迁对Q235和09CuPCrNi-A钢早期腐蚀行为的影响

吴军, 王秀静, 罗睿, 张三平, 周建龙

Influence of Environmental Alternation on Early Stage Corrosion of Q235 and 09CuPCrNi-A Steel

WU Jun, WANG Xiujing, LUO Rui, ZHANG Sanping, ZHOU Jianlong

表1 Q235钢和09CuPCrNi-A钢在不同环境下曝晒180 d的极化曲线拟合结果

Table1 Fitting results of polarization curves of Q235 steel and 09CuPCrNi-A steel exposed in the different atmospheres for 180 d

Sampling site Q235 steel 09CuPCrNi-A steel Ecorr / mVSCE Icorr/ μAcm-2 Ecorr / mVSCE Icorr / μAcm-2 Wu han (180 d) -592.952 105.4 -576.699 94.9 Wuhan (90 d)→Petrochemical (90 d) -558.834 128.4 -524.697 103.7 Petrochemical (90 d)→Wuhan (90 d) -585.754 165.3 -543.830 112.2 Petrochemical (180 d) -586.834 176.6 -531.746 118.2