Electrodeposition of Ni/WC nano composite in sulfate solution

被引：80

作者：

Mohajeri, S. ^{[1
]}

Dolati, A. ^{[1
]}

Rezagholibeiki, S. ^{[1
]}

机构：

[1] Sharif Univ Technol, Dept Mat Sci & Engn, Tehran, Iran

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2011年 / 129卷 / 03期

关键词：

Composite materials; Coatings; Electron microscopy; Corrosion; WEAR-RESISTANCE; NANOCOMPOSITE COATINGS; MICROSTRUCTURE; CORROSION; DEPOSITION; BEHAVIOR; NICKEL; CODEPOSITION; PARTICLES; KINETICS;

D O I：

10.1016/j.matchemphys.2011.04.053

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Metal matrix composite coatings have gained great attention due to their exclusive properties. They have shown the properties of a metallic host material modified by addition of a second phase. In electrodeposition of Ni/WC nano composite, nickel was deposited on the substrates by DC electrodeposition in Watt's based bath containing nickel sulfate, nickel chloride, boric acid and sodium dodecyl sulfate. WC content in the coating was determined by different parameters such as current density, powder content and surfactant amount. Mechanism of electrodeposition was analyzed by cyclic voltammetry and was confirmed by Guglielmi model. Surface morphology was studied by scanning electron microscopy. Hardness, scratch resistance and corrosion resistance of Ni/WC composite coating were also determined. (C) 2011 Elsevier B.V. All rights reserved.

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页码：746 / 750

页数：5

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