Changing the structure and phasestates and the microhardness of the R6M5 steel surface layer after electrolytic-plasma nitriding
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 ph...
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Published in | Eurasian journal of physics and functional materials Vol. 2; no. 3; pp. 259 - 266 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
L.N. Gumilyov Eurasian National University
01.11.2021
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Subjects | |
Online Access | Get full text |
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Summary: | 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, in fluencing the increase of microhardness of R6M5 high-speed steel with electrolytic-plasma nitriding, is the formation of nitro . gen martensite with monophasic nitride Fe4N ( γ-phase), as well as the formation of fine inclusions, hardening phases in the surface layers. |
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ISSN: | 2522-9869 2616-8537 |
DOI: | 10.29317/ejpfm.2018020307 |