ELECTRODEPOSITION OFCuZnALLOYS FROM THE NON-CYANIDE ALKALINE BATHS

Minggang Li (), Guoying Wei (), Shuangshuang Hu, Shuhan Xu, Yejiong Yang and Qinfang Miao
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Minggang Li: College of Materials Science & Engineering, China Jiliang University, Hang Zhou 310018, P. R. China
Guoying Wei: College of Materials Science & Engineering, China Jiliang University, Hang Zhou 310018, P. R. China
Shuangshuang Hu: College of Materials Science & Engineering, China Jiliang University, Hang Zhou 310018, P. R. China
Shuhan Xu: College of Materials Science & Engineering, China Jiliang University, Hang Zhou 310018, P. R. China
Yejiong Yang: College of Materials Science & Engineering, China Jiliang University, Hang Zhou 310018, P. R. China
Qinfang Miao: College of Materials Science & Engineering, China Jiliang University, Hang Zhou 310018, P. R. China

Surface Review and Letters (SRL), 2015, vol. 22, issue 01, 1-6

Abstract: Effect of copper sulfate onCuZnalloys electroplating from non-cyanide baths are investigated by different electrochemical methods. Cyclic voltammetry and current transient measurements are used to characterize theCuZnalloys electroplating system in order to analyze the nucleation and growth mechanism. The reduction ofCuandCuZnalloy on sheet iron substrates shows an instantaneous nucleation process. However, the reduction ofZnon sheet iron substrates shows a progressive nucleation process. The structure and surface morphology ofCuZnalloys are analyzed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The morphology ofCuZnalloys obtained with 50 g L-1copper sulfate presents a smooth and compact deposit and the size of crystal particle is uniform.

Keywords: CuZnalloys; electrodeposition; non-cyanide baths (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1142/S0218625X15500031

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