Study of the tribotechnical characteristics of corrosion-resistant steels with different mechanisms of volumetric hardening

Sevalnev G.S., Sevalneva T.G., Kolmakov A.G., Dulnev K.V., Krylov S.А.
UDC
669.14.018.8
DOI
10.18577/2307-6046-2021-0-10-3-11
Article PDF (Russian) (996.11 KB)
How to cite
Sevalnev G.S., Sevalneva T.G., Kolmakov A.G., Dulnev K.V., Krylov S.А. Study of the tribotechnical characteristics of corrosion-resistant steels with different mechanisms of volumetric hardening // Proceedings of VIAM. 2021. No. 10. DOI: 10.18577/2307-6046-2021-0-10-3-11. URL: https://test.viam.ru/en/journal/2021/10/1
Keywords
friction, wear, tribology, martensite, hardness, frictional interaction.
Abstract

The structure, phase composition and hardness of corrosion-resistant steels with different mechanisms of volumetric hardening was studied. It was found that after hardening treatment of steel VNS9-Sh, VNS30-Sh, VNS72-Sh have approximately the same hardness with a volumetric martensite content of 50, 90 and 75 %, respectively. According to the results of tribological tests for wear under dry friction conditions, it was found that VNS9-Sh steel with the TRIP effect has the best wear resistance. VNS30-Sh steel with precipitation hardening and VNS72-Sh steel with martensite hardening have approximately the same wear resistance.

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