A laser ablation technique for improving the adhesion of laser-deposited diamond-like carbon coatings to metal substrates

被引：9
|
作者：
Tsui, YY [1 ]
Redman, DG [1 ]
机构：
[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2G7, Canada
来源：
SURFACE & COATINGS TECHNOLOGY | 2000年 / 126卷 / 2-3期
关键词：
pulsed laser deposition; laser melting; diamond-like carbon;
D O I：
10.1016/S0257-8972(99)00642-8
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A substrate cleaning technique based on laser ablation is used to improve the adhesion of non-hydrogenated diamond-like carbon coatings to metal substrates. Laser pulses at an energy density of 5 J cm(-2) are used to melt and vaporize a thin layer of the substrate surface prior to the deposition of 2 mu m diamond-like carbon coatings synthesized by a laser plasma process. Resistance to high impact wear as estimated from the result of sand blasting tests indicates that the lifetime of diamond-like coated metal samples can be increased significantly by using the laser ablation cleaning technique. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：96 / 101
页数：6
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