AZ31镁合金表面超疏水耐腐蚀镍基复合涂层

黄志凤, 雍奇文, 房蕊, 谢治辉

Superhydrophobic and Corrosion-resistant Nickel-based Composite Coating on Magnesium Alloy

HUANG Zhifeng, YONG Qiwen, FANG Rui, XIE Zhihui

表2 AZ31镁合金以及ENP、ENP/NZSA-2与ENP/NZSA-5涂层的EIS拟合值

Table 2 Electrochemical parameters obtained by fitting the EIS spectra of AZ31 Mg-alloy, and ENP, ENP/NZSA-2 and ENP/NZSA-5 coatings

Sample |Z|ƒ=0.01 HzkΩ·cm2 RsΩ·cm2 CPEc10-6 S·s n ·cm-2 RckΩ·cm2 CPEdl10-7 S·s n ·cm-2 RctkΩ·cm2 χ210-3 Mg-alloy 0. 218 32.04 / / 102.80 0.32 1.53 ENP 13.54 26.26 36.22 9.65 78.41 14.85 1.85 ENP/NZSA-2 39.81 25.39 3.43 14.77 76.40 35.05 3.87 ENP/NZSA-5 89.38 26.40 1.02 24.56 67.31 72.79 4.90