Changing the structure and phasestates and the microhardness of the R6M5 steel surface layer after electrolytic-plasma nitriding
Journal Title: Eurasian journal of physics and functional materials - Year 2018, Vol 2, Issue 3
Abstract
The article examines the changes of the structural-phase states and the microhardness of the R6M5 steel surface layer after electrolytic-plasma nitriding. It is found that after electrolytic-plasma nitriding of the R6M5 steel surface, diffusion layer is formed, which is a nitrogen martensite. The phase composition of the diffusion layer varies depending on the nitriding temperature. An increase of R6M5 steel microhardness, depending on structural-phase state, is found out. The main factor, influencing the increase of microhardness of R6M5 high-speed steel with electrolytic-plasma nitriding, is the formation of nitrogen martensite with monophasic nitride Fe4N (g′ - phase), as well as the formation of fine inclusions, hardening phases in the surface layers.
Authors and Affiliations
B. K. Rakhadilov, Sh. R. Kurbanbekov, M. K. Kilishkhanov, A. B. Kenesbekov
Keywords
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- EP ID EP558795
- DOI 10.29317/ejpfm.2018020307
- Views 76
- Downloads 0
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