Improving tribological properties of (Zn-Ni)/nano Al2O3 composite coatings produced by ultrasonic assisted pulse plating

被引：52

作者：

Ataie, Sayed Alireza ^{[1
]}

Zakeri, Alireza ^{[1
]}

机构：

[1] Iran Univ Sci & Technol IUST, Sch Met & Mat Engn, Tehran 1684613114, Iran

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 674卷

关键词：

Composite coating; Pulse plating; Ultrasonic intensity; Tribological properties; ZN-NI ALLOY; CORROSION-RESISTANCE; ELECTRODEPOSITION; BEHAVIOR; MICROSTRUCTURE; PARTICLES; FILMS;

D O I：

10.1016/j.jallcom.2016.02.111

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study pulse electroplating was used to deposit the composite coating of (Zn-Ni) strengthened by Al2O3 nanoparticles on mild steel plate. The effect of Al2O3 fraction and ultrasonic irradiation on the properties of the composite coating was also investigated. Scanning electron microscopy and energy dispersive spectroscopy techniques were employed to characterize the morphology and composition of the coating. Topography and surface roughness were investigated by atomic force microscopy. Also in order to evaluate the mechanical properties of the coating micro hardness and wear tests were conducted. It was found that coating hardness was increased from 538 HV to 750 HV and friction coefficient was decreased from 0.588 to 0.392. Results revealed that tribological properties of coating could be improved significantly by using suitable ultrasonic intensity simultaneously with pulse plating. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：315 / 322

页数：8

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