A study on the tribological characteristics of duplex-treated Ti-6Al-4V alloy under oil-lubricated sliding conditions

被引：61
作者：
Amanov, Auezhan [1 ]
Sasaki, Shinya [1 ]
机构：
[1] Tokyo Univ Sci, Dept Mech Engn, Tokyo 162, Japan
来源：
TRIBOLOGY INTERNATIONAL | 2013年 / 64卷
关键词：
Friction; Ti-6Al-4V; Surface texturing; DLC; CARBON-FILMS; WEAR BEHAVIOR; NANOCOMPOSITE COATINGS; MECHANICAL-PROPERTIES; SURFACE MODIFICATION; AMORPHOUS-CARBON; FRETTING WEAR; DLC COATINGS; FRICTION; METAL;
D O I：
10.1016/j.triboint.2013.03.015
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The tribological characteristics of the polished, dimpled and over-coated dimpled specimens were investigated. Dimples were produced on a Ti-6Al-4V alloy specimen using a laser surface texturing (LST). A Cr-doped diamond-like carbon (DLC) film was deposited on a dimpled specimen using an unbalanced magnetron sputtering (UBMS). The effects of dimples and over-coated Cr-doped DLC film on the tribological characteristics were investigated by performing the friction tests against a Cr-plated steel pin. The test results showed that the over-coated dimpled specimen exhibited a lower friction coefficient and wear compared to those of the polished and dimpled specimens, which may be attributed to the storage of wear debris and high hardness. A model of the wear reduction mechanism of the specimens was discussed. (C) 2013 Elsevier Ltd. All rights reserved.
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页码：155 / 163
页数：9
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