LI Bo*,ZHAO Jinhang,XIAO Xijun.Process Research on Electroplating of Zinc-Nickel Alloy Instead of Cadmium Plating and Cadmium-Titanium Plating[J].Plating & Finishing,2020,(3):43-46.[doi:10.3969/j.issn.1001-3849.2020.03.009]
电镀锌-镍合金替代镀镉、镀镉-钛工艺研究
- Title:
- Process Research on Electroplating of Zinc-Nickel Alloy Instead of Cadmium Plating and Cadmium-Titanium Plating
- Keywords:
- electroplating of zinc-nickel alloy; cadmium plating; cadmium-titanium plating; neutral salt spray test; corrosion resistance; replacement
- 文献标志码:
- A
- 摘要:
- 介绍了一种镀层镍含量为12%～15%的碱性镀锌-镍合金工艺，并将经过三价铬钝化的锌-镍镀层与六价铬钝化的镀镉和镀镉-钛层的外观、结合力、耐蚀性及氢脆性等进行对比。结果表明：锌-镍合金镀层的耐蚀性能优于镀镉层和镀镉-钛层，氢脆性合格。且该工艺环保低污染，能够替代镀镉、镀镉-钛用于起落架钢零件的表面防护。
- Abstract:
- An alkaline zinc-nickel alloy coating with nickel content of 12%-15% is introduced. The appearance, adhesion, corrosion resistance and hydrogen embrittlement of zinc-nickel coating passivated by trivalent chromium are compared with those of cadmium plating and cadmium-titanium plating coating passivated by hexavalent chromium. The results shows that the corrosion resistance properties of zinc-nickel alloy coating are better than those of cadmium plating and cadmium-titanium plating coating , and the hydrogen embrittlement of zinc-nickel alloy coating is qualified. The process is environmental protection and low pollution, and can replace cadmium plating and cadmium-titanium plating for surface protection of landing gear steel parts.
参考文献/References:
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[4] 轩立卓, 杨堃, 沙春鹏, 等. 以锌镍合金镀层替代航空用镀镉、镀镉钛层的研究[J]. 材料保护, 2014, 47（10）:15-16.
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备注/Memo
收稿日期： 2019-10-16；修回日期： 2019-11-12
通信作者： 李博，libo1969@163.com