Study of the characteristics of maraging steel under tribotechnical loading

Sevalnev G.S., Nefedkin D.Yu., Dulnev K.V., Skorikova M.A.
UDC
669.14:669.15-194.55
DOI
10.18577/2307-6046-2024-0-10-3-12
Article PDF (Russian) (1023.95 KB)
How to cite
Sevalnev G.S., Nefedkin D.Yu., Dulnev K.V., Skorikova M.A. Study of the characteristics of maraging steel under tribotechnical loading // Proceedings of VIAM. 2024. No. 10. DOI: 10.18577/2307-6046-2024-0-10-3-12. URL: https://test.viam.ru/en/journal/2024/10/1
Keywords
maraging steels, hardness, wear resistance, grain size, aging, friction coefficient, precipitation particles, intermetallides
Abstract

Metallographic and durometric studies and wear tests under dry sliding friction conditions of maraging steel 21NKMT after various types of heat treatment were carried out. It has been established that the samples after quenching and single aging have the lowest wear rate, while the samples after two-times aging have the highest hardness of 630 HV. The use of two-fold aging and overaging of 21NKMT steel leads to an increase in wear intensity by 12–33%.

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