(Ti,Cr,Nb)CN coatings deposited on nitrided high-speed steel by cathodic arc method |
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| Authors: | M Braic V Braic M Balaceanu A Vladescu CN Zoita CP Lungu CEA Grigorescu E Grigore C Logoftu |
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| Affiliation: | 1. National Institute for Optoelectronics, Magurele-Bucharest, RO 077125, Romania;2. National Institute for Laser, Plasma and Radiation Physics, Magurele-Bucharest, RO 077125, Romania;3. National Institute for Materials Physics, Magurele-Bucharest, RO 077125, Romania;1. State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, PR China;2. School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, PR China;1. State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-Sen University, Guangzhou 510275, China;2. School of Mathematics and Physics, Xinjiang Agricultural University, Urumqi 830052, China;1. National Institute for Optoelectronics, 409 Atomistilor Str., Magurele, Romania;2. Dokuz Eylul University, Engineering Faculty, Metallurgical and Materials Engineering Department, Buca-Izmir, Turkey;3. Institute of Cellular Biology and Pathology Nicolae Simionescu of the Romanian Academy, 8 B.P.Hasdeu, Bucharest, Romania;1. National Institute for Optoelectronics INOE2000, 409 Atomistilor St., 077125 Magurele, Romania;2. National Research Tomsk Polytechnic University, Lenin Avenue 43, Tomsk 634050, Russia;3. Institute of Cellular Biology and Pathology \"Nicolae Simionescu\" of the Romanian Academy, 8 B.P.HASDEU street, 050568 Bucharest, Romania;4. University of Warmia and Mazury in Olsztyn, Faculty of Mathematics and Computer Science, Sloneczna 54, 10-710 Olsztyn, Poland;5. University of Warmia and Mazury in Olsztyn, Faculty of Environmental Sciences, Oczapowskiego 5, 10-719 Olsztyn, Poland;6. University Politehnica of Bucharest, 313 Spl. Independentei, 060042 Bucharest, Romania;7. Faculty of Technical Sciences, Oczapowskiego 11, 10-719 Olsztyn, Poland |
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| Abstract: | The combined processes of plasma nitriding and cathodic arc deposition of (Ti,Cr,Nb)CN coatings were applied to HSS substrates. The nitrided layers, obtained in a mixture of H2 (70%) and N2 (30%) at two different temperatures (480 °C and 510 °C), were examined for the microhardness depth profiles. Characterization of the duplex coatings was performed by investigating elemental and phase composition, texture, hardness, friction and wear. XRD and XPS analyses revealed the formation of a mixture of a carbonitride fcc solid solution, in a dominant proportion, and metallic chromium. The film hardness was measured to be ~ 34 GPa. The duplex (Ti,Cr,Nb)CN coatings exhibited superior tribological behavior as compared to both nitrided layers and non-duplex coatings. |
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