介绍了一种电镀Zn-Fe合金的工艺,研究了阴极电流密度、镀液中ρ(Fe2+)/ρ(Zn2+)、pH、温度和添加剂等因素对镀层的外观以及Fe质量分数的影响.实验结果表明,镀层中Fe的质量分数随着镀液中ρ(Fe2+)/ρ(Zn2+)、pH的增大而增大;随着阴极电流密度的增大、温度的升高先增大,达某一值时镀层中Fe的质量分数又随其增大而减小.通过3% NaCl腐蚀试验,比较了Zn-Fe合金和Zn镀层的耐腐蚀性.在最佳工艺条件下所得Zn-Fe合金镀层的耐腐蚀性为Zn镀层的5倍.
参考文献
| [1] | Jensen J D;Critchlow G W;Gabe D R .A study on zinc-iron alloy electrodeposition from a chloride-electrolyte[J].Transactions of the Institute of Metal Finishing,1998,76:187. |
| [2] | Narasimhamurthy V;Sheshadri B S .Electrodeposition of Zn-Fe alloy from an acid sulfate bath containing triethanolamine[J].Plating and Surface Finishing,1996,83:75. |
| [3] | Yang C Q;Long Z L;Zhou Y C .A sulphate bath for the preparation of Zn-Fe alloy coatings[J].Transactions of the Institute of Metal Finishing,2002,80:161. |
| [4] | Yang ZN;Zhang Z;Zhang JQ .Electrodeposition of decorative and protective Zn-Fe coating onto low-carbon steel substrate[J].Surface & Coatings Technology,2006(16/17):4810-4815. |
| [5] | Abd E l;Rehim S S;Emad M et al.The effect of some factors on electrodeposition of FeZn alloys from acetate baths[J].Transactions of the Institute of Metal Finishing,2001,79:95. |
| [6] | Narasimhamurthy V;Sheshadri B S .Electrodeposition of zinc iron alloy from an acid sulfate bath containing triethanolamine[J].Metal Finishing,1997,95:44. |
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