Effect of Interface Ni and Ti Films on Antifriction Properties of Nanolayer Thin-Film WS2/g-C Coatings
https://doi.org/10.56304/S2079562922050396
Abstract
Model thin-film coatings containing laminar WS2 films and nanometer-thick carbon films are created by the reactive pulsed laser deposition technique. To activate the growth of the graphite-like state, the carbon films (g-C) were deposited on the surface of nickel or titanium films formed between WS2 and g-C layers. It is found that the WS2/Ni/g-C/WS2 coating is apt to manifest a very low coefficient of friction (less than 0.013) in tests in dry air without lubrication. The coating with a titanium interface film does not possess such properties. The structural state of the coating before and after the tribotest was monitored by micro-Raman spectroscopy (MRS). Possible causes of the different behavior of coatings with the chosen metal film.
About the Authors
R. I. Romanov
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Moscow, 115409
D. V. Fominskii
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Moscow, 115409
V. A. Kas’yanenko
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Moscow, 115409
M. D. Gritskevich
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Moscow, 115409
V. Yu. Fominskii
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Moscow, 115409
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Review
For citations:
Romanov R.I., Fominskii D.V., Kas’yanenko V.A., Gritskevich M.D., Fominskii V.Yu. Effect of Interface Ni and Ti Films on Antifriction Properties of Nanolayer Thin-Film WS2/g-C Coatings. Nuclear Physics and Engineering. 2023;14(3):228-233. (In Russ.) https://doi.org/10.56304/S2079562922050396
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