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3 AZ31镁合金和不同涂层的Tafel参数拟合值

Table 3 Fitting data of Tafel parameters of AZ31 Mg-alloy and various coatings

Sample βa / mV·dec-1 -βc / mV·dec-1 Ecorr / V Icorr / A·cm-2 Mg-alloy / 186.30 -1.55 7.37×10-5 ENP 410.90 137.30 -0.61 7.32×10-6 ENP/NZSA-2 320.10 154.60 -0.49 2.04×10-6 ENP/NZSA-5 / 149.00 -0.32 8.41×10-7