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Title | Effect of the PEN/C surface layer modification on the microstructure, mechanical and tribological properties of the 30CrMnSiA mild-carbon steel |
Authors |
Zhurerova, L.G.
Rakhadilov, B.K. Popova, N.A. Kylyshkanov, M.K. Buranych, Volodymyr Volodymyrovych Pohrebniak, Oleksandr Dmytrovych |
ORCID |
http://orcid.org/0000-0002-9218-6492 |
Keywords |
Carbonitrides Microstructure Electrolytic plasma processing Wear rate Hardness Mild-Carbon steel |
Type | Article |
Date of Issue | 2020 |
URI | https://essuir.sumdu.edu.ua/handle/123456789/82657 |
Publisher | Elsevier |
License | Creative Commons Attribution - NonCommercial - NoDerivatives 4.0 International |
Citation | Zhurerova L., Rakhadilov B., Popova N. et al. Effect of the PEN/C surface layer modification on the microstructure, mechanical and tribological properties of the 30CrMnSiA mild-carbon steel. Journal of Materials Research and Technology, (2020), 291-300, 9(1). |
Abstract |
As a result of plasma-electrolytic nitrocarburizing 30CrMnSiA carbon steel (ferrite-perlite
grade), there was a change in the elemental and phase composition, as well as the surface layer microstructure (40 ÷ 45 microns thick from the surface). A formation of Me23(CN)6
carbonitrides, FeN nitrides, Fe3C - (Fe, Cr)3C carbides and an increase in dislocation density
within –phase (tempered martensite crystallites), high-temperature lamellar martensite
were observed. As a result of PEN / C exposure for 7min. At 750 ◦C there is a reduction of
friction coefficient and wear rate, what is connected with finely dispersed secondary phases
FeN, (Fe, Cr)3C, Me23(C, N)6 formation. Thus, there is an 2,5 ÷ 3,3 times increase in hardness
of 30CrMnSiA carbon steel samples. |
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File | Size | Format | Downloads |
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Zhurerova_surface_layer_modification_on_the_microstructure.pdf | 2.73 MB | Adobe PDF | 19454148 |
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