Improvement of the tribotechnical characteristics of beryllium-containing steel VNS32-VI by surface modification

Sevalnev G.S., Druzhinina M.E., Dulnev K.V., Mosolov A.N., Fomina L.P., Chirkov I.A.
UDC
621.763
DOI
10.18577/2307-6046-2022-0-11-3-15
Article PDF (Russian) (1.26 MB)
How to cite
Sevalnev G.S., Druzhinina M.E., Dulnev K.V., Mosolov A.N., Fomina L.P., Chirkov I.A. Improvement of the tribotechnical characteristics of beryllium-containing steel VNS32-VI by surface modification // Proceedings of VIAM. 2022. No. 11. DOI: 10.18577/2307-6046-2022-0-11-3-15. URL: https://test.viam.ru/en/journal/2022/11/1
Keywords
beryllium, beryllium-containing steel, hardness, wear resistance, friction coefficient
Abstract

Microstructure, hardness and tribotechnical characteristics of beryllium-containing steel VNS32-VI were studied after strengthening heat treatment and final ion nitriding. It was found that the microstructure of samples processed according to various methods does not differ, and the thickness of the diffusion layer is 100 μm. The alloying element distribution study showed that the surface was dominated by Cr, Mo and Nb having a high affinity for nitrogen. The best tribotechnical properties were possessed by samples for which the dispersion hardening process was combined with final ion nitriding.

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