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

页码：5176 / 5181

页数：6

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