Characterization of nanofriction of MoS2 and WS2 nanotubes

被引：19
|
作者：
Maharaj, Dave [1 ]
Bhushan, Bharat [1 ]
机构：
[1] Ohio State Univ, Nanoprobe Lab Bio & Nanotechnol & Biomimet NLBB, Columbus, OH 43210 USA
来源：
MATERIALS LETTERS | 2015年 / 142卷
关键词：
MoS2; WS2; Friction; Wear; Nanotubes; ATOMIC-SCALE; FRICTION; MECHANISM; FORCES;
D O I：
10.1016/j.matlet.2014.12.024
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
MoS2 and WS2 nano-objects have been studied in tribological applications and increasingly in other applications where nano-objects come into sliding contact with each other. Fundamental friction studies on a single nano-object are of interest. In this research atomic force/friction force microscopy (AFM/FFM) studies have been conducted on MoS2 and WS2 nanotubes to study scale effects and analyze the contributions of surface topography and orientation effects on friction. Variations in friction force due to topography were determined to be as a result of the ratchet mechanism and "collision" effect. There were no orientation effects on coefficient of friction on either of the nanotubes. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：207 / 210
页数：4
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