铝合金超双疏表面的制备及其耐蚀性研究

李育桥, 司伟婷, 高荣杰

Preparation of Superamphiphobic Surface on Al-alloy and Its Corrosion Resistance

LI Yuqiao, SI Weiting, GAO Rongjie

表2 基体和不同浸泡时间下超双疏试样的电路拟合参数

Table 2 Electrochemical model parameters obtained by fitting Nyquist Plots of bare sample and superamphiphobic sample immersed for different times in Fig.8

Sample CPEfF·cm-2 RfkΩ·cm2 RctkΩ·cm2 CdlF·cm-2 RpkΩ·cm2 Bare 1.96×10-5 0.012 13.40 3.29×10-6 13.41 SA (0 d) 9.18×10-7 25.95 444.80 2.17×10-8 470.75 SA (1 d) 1.19×10-6 2.79 199.70 2.49×10-8 202.49 SA (2 d) 8.90×10-6 9.80 29.50 2.93×10-6 39.30 SA (3 d) 1.39×10-5 4.53 71.26 3.19×10-5 75.79 SA (4 d) 1.90×10-5 0.21 78.64 1.23×10-7 78.85 SA (5 d) 1.06×10-5 13.90 59.02 1.32×10-5 72.92 SA (6 d) 3.57×10-5 6.15 4.01 4.57×10-4 10.16