HIGH-TEMPERATURE AND CORROSION PROPERTIES OF CATHODIC-ARC-PLASMA-DEPOSITED CRN COATINGS

被引：30

作者：

LAI, FD ^{[1
]}

WU, JK ^{[1
]}

机构：

[1] NATL TAIWAN OCEAN UNIV,INST MARINE MAT ENGN,CHILUNG 20224,TAIWAN

来源：

SURFACE & COATINGS TECHNOLOGY | 1994年 / 64卷 / 01期

关键词：

D O I：

10.1016/S0257-8972(09)90086-X

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

CrN film was deposited on a WC-30Co substrate using the cathodic arc plasma deposition process, and the effects of annealing in nitrogen atmosphere and a vacuum chamber were investigated. CrN film comprises mainly CrN and beta-Cr2N phases. Annealed at high temperature, it is possible to decompose CrN to Cr and Cr2N phase. The corrosion performance and hardness of CrN coating are both excellent. Micrographs of a coating after potentiodynamic tests still show homogeneous Cr- and N-rich phases on the corroded specimen. Annealed in an N2 atmosphere at 1000-degrees-C, the CrN-coated specimen has the best corrosion resistance and good hardness.

引用

页码：53 / 57

页数：5

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