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International Journal of Nanoscience and Nanotechnology (IJNN)، جلد ۱۶، شماره ۴، صفحات ۲۵۹-۲۶۹
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عنوان انگلیسی Influence of Cathodic Arc Current on ‎Structure, Mechanical and Tribological ‎Properties of TiC/a-C:H Nano-multilayer ‎Coatings
چکیده انگلیسی مقاله    A cathodic arc ion plating system was used to produce TiC/a-C:H nano-multilayer coatings on silicon and cemented carbide substrates at cathodic arc currents in the range of 30-70 A. The microstructure, surface morphology and compositions of the TiC/a-C:H nano-multilayer coatings were analyzed by transmission electron microscopy, scanning electron microscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. The influence of the arc current on mechanical and tribological properties of the TiC/a-C:H nano-multilayer coatings was systemically investigated. The measurements show that the TiC/a-C:H multilayer coatings are composed of alternating layers of nanocrystalline TiC and amorphous hydrogenated carbon. The surface morphology of the TiC/a-C:H nano-multilayer coatings is controllable by the arc current. The ratio of Raman peak intensities ID/IG decreases and the full width at half maximum of G peaks (FWHMG) increases with the increasing of arc current. The content of hydrogen decreases from 26.5 at.% to 13.7 at.% while the content of TiC increases from 0.15at. % to 2.35 at.% as the arc current increases from 30 A to 70 A. The hardness of the TiC/a-C:H nano-multilayer coatings increases continuously up to 29.5 GPa at 70 A arc current. The average friction coefficients of the coatings keep at relatively lower values in the range of 0.1-0.2 as measured against Si3N4 balls. The results show significant influences of the cathodic arc current on the microstructure and properties of the TiC/a-C:H nano-multilayer coatings.
کلیدواژه‌های انگلیسی مقاله TiC/a-C H,Nano-multilayer coatings,Microstructure,Mechanical properties,Cathodic arc ion ‎plating.‎
نویسندگان مقاله C. X. Tian |
‎School of Physics Science & Technology, Lingnan Normal University, Zhanjiang 524048, ‎China.‎

Ch. Zou |
‎School of Physics Science & Technology, Lingnan Normal University, Zhanjiang 524048, ‎China.‎

Z. S. Wang |
‎School of Physics Science & Technology, Lingnan Normal University, Zhanjiang 524048, ‎China.‎

B. Yang |
School of Power & Mechanical Engineering, Wuhan University, 430072 Wuhan, China.‎

D. J. Fu |
School of Power & Mechanical Engineering, Wuhan University, 430072 Wuhan, China.‎

V. O. Pelenovich |
Institute of Ion-Plasma and Laser Technologies, Academy of Sciences of Uzbekistan, 700135 ‎Tashkent, Uzbekistan.‎

A. Tolstogouzov |
Ryazan State Radio Engineering University, Gagarin Str. 59/1, Ryazan, 390005, Russian ‎Federation.‎

نشانی اینترنتی https://www.ijnnonline.net/article_47980_2c2bf0d66ccc73a10ed69abf56507279.pdf
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