Tribological Properties of Diamond-Like Carbon Films with Surface Nano-Structure Formed by Femtosecond Laser Pulses

被引：3
|
作者：
Yasumaru, Naoki [1 ]
Miyazaki, Kenzo [2 ]
Kiuchi, Junsuke [3 ]
Komai, Kenjiro [1 ]
机构：
[1] Fukui Natl Coll Technol, Dept Mech Engn, Sabae 9168507, Japan
[2] Kyoto Univ, Inst Adv Energy, Kyoto 6110011, Japan
[3] Eyetec Co Ltd, Sabae 9160016, Japan
来源：
JOURNAL OF LASER MICRO NANOENGINEERING | 2007年 / 2卷 / 02期
关键词：
femtosecond-laser; nanostructure; DLC; GC; ablation; modification; tribology; MoS2;
D O I：
10.2961/jlmn.2007.02.0011
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We report tribological properties of diamond-like carbon (DLC) film of which surface has been nanostructured with femtosecond (fs) laser pulses. For this study, the fs-laser processing technology has been developed to produce a uniformly nanostructured DLC surface over a wide area of 15 x 15 mm(2). The results have demonstrated that the DLC surface has an excellent frictional performance by coating a MoS2 layer on the nanostructured surface, where the friction coefficient of DLC surface was observed to decrease down to 0.07 from 0.18 for the steel ball and to 0.02-0.04 from 0.08 for the WC-Co ball used in the friction test machine.
引用
收藏
页码：162 / 165
页数：4
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