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Influences of brush plating solutions composition and technological parameters on the quality of rolled copper foil surface coatings

Published online by Cambridge University Press:  15 December 2015

Wenjing Wang  and
Xuefeng Liu
Wenjing Wang
Affiliation:
Laboratory of Advanced Processing Technology of Materials (LAPTM), School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
Xuefeng Liu*
Affiliation:
Laboratory of Advanced Processing Technology of Materials (LAPTM), School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, People's Republic of China; and Beijing Laboratory of Metallic Materials and Processing for Modern Transportation, University of Science and Technology Beijing, Beijing 100083, People's Republic of China
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

The technologies of brush plating and dealloying were used to treat the surface of rolled copper foil. Zn–Ni and Sn–Zn alloy coatings were prepared. The laws of plating solutions composition and technological parameters on coatings quality were investigated. The results show that with the decreasing of main elements mass ratio or increasing of brush time, thickness and corrosion resistance of Zn–Ni alloy coating increase. With the increasing of brush plating voltage or time, surface roughness of Sn–Zn alloy coating decreases. Turning up brush plating voltage could raise deposition rate of sub-tin and zinc ions and refine surface grains of coating. The angle of dealloying has the significant effect on the roughness of dealloyed Sn–Zn alloy coating. As the dealloying angle increases, surface roughness of dealloyed Sn–Zn alloy coating increases. The contribution of dealloying time to surface roughness of treated coating is obviously larger than that of corrosion solution concentration.

Keywords

coatingcorrosionelectrodeposition
Type
Articles
Information
Journal of Materials Research , Volume 30 , Issue 24 , 28 December 2015 , pp. 3766 - 3775
Copyright
Copyright © Materials Research Society 2015 

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Footnotes

Contributing Editor: Jürgen Eckert

References

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