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Effect of nitrogen on tribological properties of amorphous carbon films alloyed with titanium
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SYSNO ASEP 0437339 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effect of nitrogen on tribological properties of amorphous carbon films alloyed with titanium Author(s) Musil, Jindřich (FZU-D) RID, ORCID
Hromadka, M. (CZ)
Novák, P. (CZ)Source Title Surface and Coatings Technology. - : Elsevier - ISSN 0257-8972
Roč. 205, Jul (2011), S84-S88Number of pages 5 s. Language eng - English Country CH - Switzerland Keywords Ti(N,C)/a-C films ; mechanical properties ; friction ; wear ; reactive magnetron sputtering Subject RIV BH - Optics, Masers, Lasers CEZ AV0Z10100522 - FZU-D (2005-2011) UT WOS 000293258600018 DOI https://doi.org/10.1016/j.surfcoat.2010.12.048 Annotation The article reports on the dependency of friction and wear of a-(Ti,C,N) films on the nitrogen content. The amount of nitrogen N in the film was controlled by partial pressure of nitrogen p(N2) in the Ar + N(2) sputtering gas mixture. It is shown that the incorporation of N in the film results in the increase of (i) the coefficient of friction mu (increases from 0.12 to 0.37), (ii) the coefficient of wear k (increases from 0.16 x 10(-6) to 0.93 x 10(-6) mm(3)/N m) and the decrease of (i) the film hardness H, (ii) effective Young's modulus E*, (iii) the elastic recovery W(e) of film and (iv) the ratio H/E*. The changes of mu and k of the a-(Ti,C,N) film correlate well with changes of the film mechanical properties (H and E*) and its mechanical behavior (W(e), H/E* and the ratio H(3)/E*(2)) characterizing the film resistance to plastic deformation Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2015
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