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Effects of the Thickness Ratio of CrN vs Cr2O3 Layer on the Properties of Double-layered CrN/Cr2O3 Coatings Deposited by Arc Ion Plating
C. M. Shi; T. G. Wang; Z. L. Pei; J. Gong; C. Sun
2014
Source PublicationJournal of Materials Science & Technology
ISSN1005-0302
Volume30Issue:5Pages:473-479
AbstractIn this study, CrN/Cr2O3 double-layered coatings with various thickness ratios of CrN vs Cr2O3 layer were prepared by arc ion plating technology. The influences of the thickness ratio of CrN vs Cr2O3 layer on the microstructural characteristics as well as the mechanical and tribological properties of the CrN/Cr2O3 double-layered coatings were investigated. The corresponding mechanisms were also discussed. The results indicated that the insertion of CrN layer between the Cr2O3 layer and substrate can effectively decrease the internal stress level of the coating. With increasing the thickness ratio of CrN vs Cr2O3 layer, the surface roughness of double-layered coatings decreased gradually, which had a certain influence on the friction coefficient. In addition, the microhardness also declined gradually, the adhesive strength almost increased linearly, whereas the wear rate declined firstly and then increased slightly. As the thickness ratio was 2:1, the double-layered coating exhibited the best wear resistance.
description.department[shi, chang-ming ; wang, tie-gang ; pei, zhi-liang ; gong, jun ; sun, chao] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; wang, tg (reprint author), chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; tgwang@imr.ac.cn ; csun@imr.ac.cn
KeywordCr2o3/crn Double-layered Coating Thickness Ratio Arc Ion Plating Mechanical Property Wear Chromium-oxide Coatings Thin-films Mechanical-properties Tribological Properties Optical-properties Duplex Coatings Bias Voltage Microstructure Performance Stresses
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72901
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
C. M. Shi,T. G. Wang,Z. L. Pei,et al. Effects of the Thickness Ratio of CrN vs Cr2O3 Layer on the Properties of Double-layered CrN/Cr2O3 Coatings Deposited by Arc Ion Plating[J]. Journal of Materials Science & Technology,2014,30(5):473-479.
APA C. M. Shi,T. G. Wang,Z. L. Pei,J. Gong,&C. Sun.(2014).Effects of the Thickness Ratio of CrN vs Cr2O3 Layer on the Properties of Double-layered CrN/Cr2O3 Coatings Deposited by Arc Ion Plating.Journal of Materials Science & Technology,30(5),473-479.
MLA C. M. Shi,et al."Effects of the Thickness Ratio of CrN vs Cr2O3 Layer on the Properties of Double-layered CrN/Cr2O3 Coatings Deposited by Arc Ion Plating".Journal of Materials Science & Technology 30.5(2014):473-479.
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