磷酸浓度对316L不锈钢耐蚀性及钝化膜特性的影响

张媛, 张弦, 陈思雨, 李腾, 刘静, 吴开明

Effect of Phosphoric Acid Concentration on Corrosion Resistance and Passivation Film Properties of 316L Stainless Steel

ZHANG Yuan, ZHANG Xian, CHEN Siyu, LI Teng, LIU Jing, WU Kaiming

表2 阻抗数据的拟合结果

Table 2 Fitting results of EIS data

Cmol·L-1 RsΩ·cm2 R1Ω·cm2 C1μF·cm-2 R2Ω·cm2 C2μF·cm-2 RpΩ·cm2 0.1 19.15 147890 69.34 23435 520 171325 0.2 11.02 65485 82.50 25260 592 90745 0.5 4.295 49757 81.49 18674 112 68431 1 2.25 27010 90.36 17648 114 44658 2 1.694 11061 93.18 9660 27.23 20721