模拟海水溶液中Fe3+对不锈钢点蚀的影响

张浩, 杜楠, 周文杰, 王帅星, 赵晴

Effect of Fe3+ on Pitting Corrosion of Stainless Steel in Simulated Seawater

ZHANG Hao, DU Nan, ZHOU Wenjie, WANG Shuaixing, ZHAO Qing

表1 腐蚀溶液的成分与pH

Table 1 Compositions and pH values of test solutions

No. Composition pH 1 0.100 mol/L FeCl2 3.37, untreated 2 0.001 mol/L FeCl3+0.297 mol/L NaCl 3.34→1.64, varied 3 0.010 mol/L FeCl3+0.270 mol/L NaCl 2.33→1.64, varied 4 0.025 mol/L FeCl3+0.225 mol/L NaCl 2.13→1.64, varied 5 0.100 mol/L FeCl3 1.64, untreated