Tribological properties of a-C/Cr(N) coatings in micro-and nano-scales

被引：22
|
作者：
Zhang, P. [1 ]
Wang, L. [1 ]
Nie, X. [1 ]
机构：
[1] Univ Windsor, Windsor, ON N9B 3P4, Canada
来源：
SURFACE & COATINGS TECHNOLOGY | 2007年 / 201卷 / 9-11期
基金：
加拿大自然科学与工程研究理事会;
关键词：
coatings; tribology; nanoindentation; nanowear; nanotribology;
D O I：
10.1016/j.surfcoat.2006.07.220
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This research was involved with comparison study of tribological properties of a-C/Cr(N) multilayered coatings in micro-and nano-scales. The aC/Cr(N) coatings were deposited on Si wafers and M2 steel substrates by unbalanced magnetron sputtering of one Cr and two C targets. Cross-section TEM analysis was used to determine the layer periodicity of the coatings. Nanoindentation was used to measure hardness (H) and elastic modulus (E), and also perform nanowear tests. Pin-on-disc tribological tests were conducted to evaluate tribological properties of the coatings in micro-scales. HI E, H-3 / E-2, and h(f)/h(max) values were calculated for predication of wear performance of the coatings. It was found that the ranking of coating wear resistance was consistent to the order of H / E, H-3 / E-2, and h(f)/h(max) values. The coating with a periodicity of 4 nm had the highest hardness and the best wear resistance in both nano-and micro-scales. (C) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：5176 / 5181
页数：6
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