Influence of the degree of martensitic structure dispersion and size of carbide phase on the frictional interaction under conditions of dry sliding friction of high-carbon complex alloy steel

Sevalnev G.S., Korobova E.N., Dvoretskov R.M., Doroshenko A.V., Samoilova I.I.
UDC
669.14+669.15-194.55
DOI
10.18577/2307-6046-2022-0-6-15-26
Article PDF (Russian) (1.76 MB)
How to cite
Sevalnev G.S., Korobova E.N., Dvoretskov R.M., Doroshenko A.V., Samoilova I.I. Influence of the degree of martensitic structure dispersion and size of carbide phase on the frictional interaction under conditions of dry sliding friction of high-carbon complex alloy steel // Proceedings of VIAM. 2022. No. 6. DOI: 10.18577/2307-6046-2022-0-6-15-26. URL: https://test.viam.ru/en/journal/2022/6/2
Keywords
bearing, wear resistance, friction, dispersion of martensite, microstructure, hardness
Abstract

The article considers the effect of the martensitic structure dispersion degree on the tribotechnical characteristic of high carbon complex-alloyed steel. After hardening heat treatment of samples with a various degree of deformation there have been obtained samples with a structure from fine- to large-needle martensite. According to the results of the wear test under conditions of dry sliding friction it has been found that samples with a structure of fine-needle martensite have a wear rate lower by 50 and 70 % compared to medium- and large-needle martensitic structures.

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