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http://dx.doi.org/10.15207/JKCS.2018.9.11.285

Zn-Cr Alloy Plating from Acidic Chloride Bath: Effect of Temperature and Current Densities on Composition of Electrodeposits  

Kang, Soo Young (Dept. of Metallurgical & Material Engineering, Inha Technical College)
Publication Information
Journal of the Korea Convergence Society / v.9, no.11, 2018 , pp. 285-290 More about this Journal
Abstract
The steel has been used in modern industry, car maker and electric appliance. The steel have some problem, specially corrosion problem. To solve corrosion problem, Zn electrodeposit on steel have been adapted. Recently, The modern industry asks to increase corrosion resistance. Naturally, Increasing corrosion resistance increases the thickness of Zn electrodeposit. But increasing thickness of Zn electrodeposit has some problems. In making part, There are some crack. This crack cause to decrease corrosion resistance. To solve this problem, it is interested in Zn Based alloy electrodeposit such as Zn-Cr. Here, the influence of the electrolytic conditions on the composition of the alloy plating in the chloride bath was investigated. The results are explained by the cathode overvoltage curve of Cr and Zn. As the current density of the cathode increases, Zn content of electrodeposit decrease and Cr content of electrodeposit increase. As the temperature of the electrolyte increases, Zn content of electrodeposit decrease and Cr content of electrodeposit increase.
Keywords
Zn-Cr; alloy electrodeposit; chloride bath; current density; temperature; composition;
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Times Cited By KSCI : 5  (Citation Analysis)
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