Evaluation of resistance to contact-deformation impact during intensive wear of the surface of cast entropy alloys based on the Ni–Co–Cr system

Sevalnev G.S., Vlasov I.I., Klimov V.S., Nefedkin D.Yu.
UDC
669.017.13
DOI
10.18577/2307-6046-2024-0-11-3-13
Article PDF (Russian) (1.34 MB)
How to cite
Sevalnev G.S., Vlasov I.I., Klimov V.S., Nefedkin D.Yu. Evaluation of resistance to contact-deformation impact during intensive wear of the surface of cast entropy alloys based on the Ni–Co–Cr system // Proceedings of VIAM. 2024. No. 11. DOI: 10.18577/2307-6046-2024-0-11-3-13. URL: https://test.viam.ru/en/journal/2024/11/1
Keywords
entropy alloys, alloying, structure, hardness, wear resistance, contact deformation
Abstract

The tribological characteristics of entropy alloys based on the Ni–Co–Cr alloying system under contact-deformation impact under dry sliding friction conditions were studied. The results of the studies showed that the hardness of the equimass alloy is 10 % greater than equiatomic alloy, and the use of additional alloying increases the hardness of the equiatomic alloy by 20–45 %. The wear resistance of the alloys depends slightly on the hardness and, to a greater extent, on hardening due to the accumulation of subsurface defects.

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