期刊
THIN SOLID FILMS
卷 519, 期 12, 页码 4092-4096出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2011.01.375
关键词
(Zr,Ti)CN; (Zr,Hf)CN; (Zr,Nb)CN coatings; Magnetron sputtering; Composition and structure; Mechanical; Friction performance
类别
资金
- [CNMP 72-180/2008]
- [CNMP 72-207/2008]
(Zr,Ti)CN, (Zr,Hf)CN and (Zr,Nb)CN coatings, in which Ti, Hf and Nb were added to ZrCN base compound, have been prepared by reactive magnetron sputtering. The coatings, with two different non-metal/metal ratios, were comparatively investigated in terms of elemental and phase composition, texture, surface morphology, hardness and friction performance. It has been shown that the films exhibit nanocomposite structures, consisting of a mixture of crystalline metal carbonitride and amorphous carbon. As compared with ternary ZrCN coatings, the quaternary coatings were found to exhibit superior mechanical and friction characteristics. In general, the films with higher non-metal content revealed finer morphologies, higher hardness and lower friction coefficient. Depending on the coating type and non-metal/metal ratio, the hardness values ranged from about 21 to 29 GPa, being higher than those of ZrCN reference films. The coefficients of friction varied from 0.2 to 0.5, the lowest values being obtained for the coatings with the highest non-metal content. (C) 2011 Elsevier B.V. All rights reserved.
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