钝化时间对304不锈钢耐蚀性能的影响

黄泽邦, 刘光明, 范文学, 徐睿中, 朱炎彬, 刘晨辉

Effect of Passivation Time on Corrosion Resistance of 304 Stainless Steel

HUANG Zebang, LIU Guangming, FAN Wenxue, XU Ruizhong, ZHU Yanbin, LIU Chenhui

表1 图3中极化曲线的拟合参数

Table 1 Fitting parameters of polarization curves in Fig.3

tmin IcorrA·cm-2 EcorrV EbV ΔEV βAV·dec-1 βCV·dec-1 10 2.531 × 10-6 -0.272 -0.098 0.174 4.190 5.037 30 2.348 × 10-6 -0.237 -0.047 0.190 4.808 5.390 50 1.091 × 10-6 -0.216 0.206 0.422 4.663 5.144 70 7.032 × 10-7 -0.215 0.309 0.524 5.055 5.585 90 3.630 × 10-6 -0.324 -0.199 0.125 4.705 5.624