Evaluation of the fracture resistance of DLC coatings on tool steel under dynamic loading

被引：22

作者：

Beake, BD ^{[1
]}

机构：

[1] Micro Mat Ltd, Wrexham LL13 7YP, Wales

来源：

SURFACE & COATINGS TECHNOLOGY | 2005年 / 198卷 / 1-3期

关键词：

fracture resistance; DLC coatings; tool steel; dynamic loading;

D O I：

10.1016/j.surfcoat.2004.10.048

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nano-impact testing rapidly shows differences in coating performance that can be used to optimize coating design for improved durability. The technique can be used to find the optimum coating process parameters for enhanced fracture resistance under dynamic loading, and can differentiate between cohesive and adhesive failure modes. This paper presents results on a range of hydrogenated and hydrogen-free DLC coatings on steel substrates. A compositionally graded amorphous carbon coating with high sp(2) fraction exhibited improved impact resistance compared to all the a-C:H coatings studied. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：90 / 93

页数：4

共 13 条

[1] An approach to elucidate the different response of PVD coatings in different tribological tests [J].