Effect of metal ion implantation on thermal instability of diamond-like carbon films

被引：6
作者：
Byon, Eungsun
Kim, Jong-Kuk
Rha, Jong-Joo
Kwon, Sik-Chol
Mu, Zongxin
Liu, Cui
Li, Guoqing
机构：
[1] Korea Inst Machinery & Mat, Surface Engn Res Ctr, Chang Won 641010, South Korea
[2] Dalian Univ Technol, Dalian 116024, Peoples R China
来源：
SURFACE & COATINGS TECHNOLOGY | 2007年 / 201卷 / 15期
关键词：
diamond-like carbon film; ion implantation; thermal instability; metal ions;
D O I：
10.1016/j.surfcoat.2006.09.063
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this work, molybdenum and tungsten ions were implanted onto the DLC films deposited by filtered cathodic vacuum arc. We investigated the effects of ion species and doses on carbon related bonding property such as the ratio of sp(3) Carbon to sp(2) phase, the chemical composition and tribological properties of the DLC films in the range of 200 to 600 degrees C. The oxidation starting temperature decreased with an increasing ion dose and ion mass owing to higher sp(2) carbon fraction. Oxidation of the implanted-metal element, however, keeps the DLC film from carbon sublimation by oxidation, offering stable tribological characteristics by covering it with a metal oxide layer at the high temperature. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：6670 / 6673
页数：4
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