Formation and Physical Properties of (CrCoNiFeTi)C Coatings

A. S. Kornyushchenko, V. I. Perekrestov, Yu. O. Kosminska, A. S. Domnyk

Sumy State University, 2 Rymsky-Korsakov Str., UA-40007 Sumy, Ukraine

Received: 10.04.2019; final version - 05.03.2021. Download: PDF

A new technology of (CrCoNiFeTi)C system coatings formation with using ion sputtering of a rod consisting of disks made of corresponding metals and carbon is proposed. The coating elemental composition is in good agreement with metals and carbon distribution along the sputtered rod. As established using scanning, transmission electron microscopy and energy-dispersive elemental analysis, the coatings consist of fine polycrystals with grains’ sizes of few nanometers. An increase in carbon concentration from 14 to 48 at.% leads to titanium carbidization and to decreasing in the roughness of coatings surface. As a result, the coatings microhardness increases from 7 to 27 GPa.

Key words: high-entropy alloys, ion sputtering, mechanical properties, structure formation mechanisms.



PACS:,, 68.47.Gh, 68.55.-a, 68.55.J-, 81.15.Jj

Citation: A. S. Kornyushchenko, V. I. Perekrestov, Yu. O. Kosminska, and A. S. Domnyk, Formation and Physical Properties of (CrCoNiFeTi)C Coatings, Metallofiz. Noveishie Tekhnol., 43, No. 6: 725—740 (2021) (in Ukrainian)

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