Comparing the Tribological Properties of the Coatings (Ti-Hf-Zr-V-Nb-Ta)N and (Ti-Hf-Zr-V-Nb-Ta)N + DLC

Authors U.S. Nyemchenko1 , V.M. Beresnev , V.F. Gorban2, V.Ju. Novikov3, O.V. Yaremenko4

1 V.N. Karazin Kharkiv National University, 4, Svobody Sq., Kharkiv, Ukraine

2 Institute of Material Science Problems, NAS of Ukraine, Kyiv, Ukraine

3 Belgorod National Research University, Belgorod, Russia

4 Sumy State Pedagogical University, Sumy, Ukraine

Issue Volume 7, Year 2015, Number 3
Dates Received 15 July 2015; published online 20 October 2015
Citation U.S. Nyemchenko, V.M. Beresnev, V.F. Gorban, et al., J. Nano- Electron. Phys. 7 No 3, 03041 (2015)
PACS Number(s) 61.46. – w, 62.20.Qp, 62-65. – g
Keywords HEA (25) , Multielement coatings, Wear resistance (2) , Protective coatings, Friction (3) , DLC.
Annotation The paper compares the tribological characteristics of the coatings (Ti-Hf-Zr-V-Nb-Ta)N and (Ti-Hf-Zr-V-Nb-Ta)N + DLC obtained by means of vacuum-arc deposition method. Coefficients of friction for nitride coatings (Ti-Hf-Zr-V-N-Ta)N have an average value of 1.06; for nitride coatings with DLC the value was 0.5 in the beginning, and then decreased to 0.14. To achieve high performance for functional coatings consisting of two layers - the bottom - and top-nitride DLC it is necessary to ensure the formation of a layer of solid lubricant in the areas of actual contact while retaining the structure of the coating.

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