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2 图4中电化学阻抗谱的拟合参数

Table 2 Fitting parameters of electrochemical impedance spectra in Fig.4

t / min Rs / Ω·cm2 Y / Ω-1·cm-2·S n n Rf / Ω·cm2 10 2.548 5.690 × 10-6 0.7335 1.317 × 104 30 3.269 1.031 × 10-5 0.7637 1.405 × 104 50 8.794 8.217 × 10-6 0.7234 4.401 × 104 70 4.147 3.003 × 10-6 0.8141 5.514 × 104 90 5.435 1.574 × 10-5 0.7029 1.024 × 104