聚乙二醇-600对酸性Zn-Ni合金的电沉积行为及镀层耐蚀性影响的研究

刘永强, 刘光明, 范文学, 甘鸿禹, 唐荣茂, 师超

Effect of Polyethylene Glycol-600 on Acidic Zn-Ni Alloy Electroplating and Its Corrosion Resistance

LIU Yongqiang, LIU Guangming, FAN Wenxue, GAN Hongyu, TANG Rongmao, SHI Chao

表1 基础镀液中添加不同浓度的PEG-600电沉积Zn-Ni合金镀层的极化曲线拟合参数

Table 1 Polarization curve fitting parameters of PEG-600 electrodeposited Zn-Ni alloy coating with different contents in the basic bath

Content / mol·L-1 Ecorr / V Icorr / A·cm-2 βc / V·dec-1 βa / V·dec-1 Blank -0.94 2.40×10-4 21.6 3.04 1.67×10-2 -0.85 6.16×10-5 19.1 2.62 3.33×10-2 -0.71 1.97×10-5 22.7 3.32 4.16×10-2 -0.78 3.73×10-5 16.0 3.13