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| 用于高硅铝合金的无氰沉锌液 | |
| 引用本文： | 包志华,田志斌,詹益腾,郭艳红.用于高硅铝合金的无氰沉锌液[J].电镀与涂饰,2011,30(10):33-36. |
| 作者姓名： | 包志华 田志斌 詹益腾 郭艳红 |
| 作者单位： | 1. 广州市三孚化工有限公司广东,广东广州,510000 2. 广州市三孚化工有限公司广东,广东广州510000;广州三孚新材料科技有限公司,广东广州510000 3. 广州三孚新材料科技有限公司,广东广州,510000 |
| 基金项目： | 广东省教育部产学研结合项目(2009B090300078); 广州市科技型中小企业技术创新基金项目(2009V43C141) |
| 摘 要： | 采用无氰沉锌技术在高硅铝合金表面制备沉锌层.通过正交试验得到无氰沉锌的最佳工艺配方为:NiSO4·7H2O 4 g/L,CuSO4·5H2O 2 g/L,FeCl3 1 g/L,ZnO 8 g/L,NaOH 60 g/L,配位剂25 g/L,调整剂1g/L.对采用最佳配方制得的沉锌层进行了孔隙率、结合力、沉锌电位-时间... |
| 关 键 词： | 高硅铝合金 轮毂 无氰沉锌 结合力 |
Cyanide-free zinc dipping bath applied to high-silicon aluminum alloys |
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| BAO Zhi-hua,TIAN Zhi-bin,ZHAN Yi-teng,GUO Yan-hong.Cyanide-free zinc dipping bath applied to high-silicon aluminum alloys[J].Electroplating & Finishing,2011,30(10):33-36. | |
| Authors: | BAO Zhi-hua TIAN Zhi-bin ZHAN Yi-teng GUO Yan-hong |
| Affiliation: | BAO Zhi-hua,TIAN Zhi-bin,ZHAN Yi-teng,GUO Yan-hong Guangzhou Sanfu Chemical Industry Co.,Ltd.,Guangzhou 510000,China |
| Abstract: | Zinc coating was prepared on the surface of high-silicon aluminum alloy by cyanide-free zinc dipping. The optimal dipping bath was obtained by orthogonal test as follows:NiSO4·7H2O 4 g/L,CuSO4·5H2O 2 g/L,FeCl3 1 g/L,ZnO 8 g/L,NaOH 60 g/L,complexing agent 25 g/L,and adjusting agent 1g/L. The porosity and adhesion strength of the zinc coating to aluminum substrate and the open-circuit potential vs. time curve for zinc dipping were tested. The results showed that the zinc coating obtained from the optimal zinc dipping bath is characterized with compact structure and good adhesion to the substrate,and can be used as an alternative to cyanide zinc dipping bath for electroplating of aluminum wheels. |
| Keywords: | high-silicon aluminum alloy wheel cyanide-free zinc dipping adhesion strength |
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