AZ31B镁合金超双疏表面的制备及其耐蚀性研究

司伟婷, 张吉昊, 高荣杰

Preparation of Superamphiphobic Surface on AZ31B Magnesium Alloy and Its Corrosion Resistance

SI Weiting, ZHANG Jihao, GAO Rongjie

表2 电化学拟合参数

Table 2 Electrochemical fitting parameters

Sample Rs Ω·cm2 CPE Y0 (S·sec n) n Rct Ω·cm2 Rf Ω·cm2 Cdl F·cm-2 RL Ω·cm2 L H·cm2 bare 13.91 2.049 × 10-5 0.9240 41.93 / / 57.01 40.93 0 h 18.71 3.239 × 10-6 0.7297 8580 175.0 1.148 × 10-7 8794 6517 2 h 14.37 3.506 × 10-6 0.8240 2172 59.51 1.298 × 10-6 909.4 4942 12 h 11.68 6.741 × 10-6 0.8928 1331 21.13 2.638 × 10-6 885.3 8950 48 h 17.28 2.927 × 10-5 0.9507 923.8 / / 364.0 83.07 72 h 12.02 3.899 × 10-5 0.9131 357.6 / / 405.7 1570