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Mechanisms and influences of electro-brush plating micro-force on coatings performances

Published online by Cambridge University Press:  23 May 2016

Wenjing Wang ,
Xuefeng Liu  and
Zhangzhi Shi
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
Zhangzhi Shi
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
*
a) Address all correspondence to this author. e-mail: liuxuefengbj@163.com
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Abstract

Zn–Ni alloy coatings were deposited on rolled copper foil via electro-brush plating with different micro-force. Surface morphologies, microhardness, roughness, and bending performance were characterized. Mechanisms and influences of electro–brush plating micro-force on coatings performances were investigated and revealed. With the increase of electro-brush plating micro-force, surface morphologies of coatings become smooth and dense, and the grain size was refined. Microhardness of coatings had a gradually increasing tendency when the increasing amplification was reduced. However, surface roughness of coatings as well as bending performance increased firstly and then decreased. The mechanisms of micro-force generation and action were explained by mechanics theory and principle model. Plastic deformation and work hardening are generated and performances are improved. Consequently, the performance of electro-brush plating coatings has a tight relevance with micro-force.

Keywords

electro-brush platingmicro-forcecoatings performancesmechanisms
Type
Articles
Information
Journal of Materials Research , Volume 31 , Issue 15 , 15 August 2016 , pp. 2337 - 2346
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Copyright
Copyright © Materials Research Society 2016 

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