Hardness and modulus of CrNx coatings

被引：0

作者：

Janssen, GCAM ^{[1
]}

Hoy, R ^{[1
]}

Kamminga, JD ^{[1
]}

机构：

[1] Delft Univ Technol, Dept Mat Sci & Technol, NL-2600 AA Delft, Netherlands

来源：

SURFACE ENGINEERING 2002-SYNTHESIS, CHARACTERIZATION AND APPLICATIONS | 2003年 / 750卷

关键词：

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Two series of CrNx coatings have been deposited in an industrial PVD set-up. It is shown that for an increased ion bombardment on the growing film the hardness (H) and Young's modulus (E) are independent on composition. For these hard coatings the elastic strain to failure or plasticity limit (H/E) is 0.11. The coating fails long before it is stretched to its plasticity limit. Deformation of the coating by 1% already leads to crack formation. It is argued that the cause of this failure is the low work of fracture of the coating combined with flaws in the coating.

引用

页码：3 / 8

页数：6

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