Friction and wear behavior of electroless Ni-based CNT composite coatings

被引：154

作者：

Wang, LY

Tu, JP ^{[1
]}

Chen, WX

Wang, YC

Liu, XK

Olk, C

Cheng, DH

Zhang, XB

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China

[2] Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China

[3] Gen Motors Corp, Surface Engn & Tribol Ctr, Washington, DC USA

[4] Shanghai Univ, Dept Environm Chem & Engn, Shanghai 200027, Peoples R China

来源：

WEAR | 2003年 / 254卷 / 12期

基金：

中国国家自然科学基金;

关键词：

carbon nanotubes (CNTs); electroless plating; composite coating;

D O I：

10.1016/S0043-1648(03)00171-6

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Ni-based carbon nanotube (CNT) composite coatings with different volume fraction (from 5 to 12 vol.%) of CNTs were deposited on medium carbon steel substrates by electroless plating. The friction and wear behavior of the composite coatings were investigated using a pin-on-disk wear tester under unlubricated condition. Friction and wear tests were conducted at a sliding speed of 0.0623 m s(-1) and at an applied load of 20 N. The experimental results indicated that the friction coefficient of the composite coatings decreased with increasing the volume fraction of CNTs due to self-lubrication and unique topological structure of CNTs. Within the range of volume fraction of CNTs from 0 to 11.2%, the wear rate of the composite coatings showed a steadily decreasing trend with increasing volume fraction of CNTs. Because of the conglomeration of CNTs in the matrix, however, the wear rate of the composite coatings increased with further increasing the volume fraction of CNTs. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：1289 / 1293

页数：5

共 14 条

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