Formation of Complex Diffusion Boride Layers on Metastable Austenitic Nitrogen-Containing Chromium—Manganese Steels in Conditions of Action of an External Magnetic Field

Issues » Volume 38, Issue 11

S. M. Chernega$^{1}$, I. A. Poliakov$^{1}$, M. O. Krasovskiy$^{2}$

$^{1}$National Technical University of Ukraine ‘KPI’, 37 Peremohy Ave., 03056 Kyiv, Ukraine
$^{2}$I.M. Frantsevich Institute for Problems of Materials Sciences, NAS of Ukraine, 3 Academician Krzhizhanovskoho Str., UA-03680 Kyiv-142, Ukraine

Received: 15.02.2016; final version - 13.08.2016. Download: PDF

In this article, the formation of complex diffusion boride layers on the metastable austenitic Cr—Mn—N steel by powder method is investigated. Phase and chemical compositions, thickness, microhardness, and wear resistance of boride layers obtained on the metastable austenite Cr—Mn—N steel are determined. As established, the application of an external magnetic field (EMF) leads to a redistribution of the boride-phases’ proportion in the surface layers and to the changes of the crystal-lattice periods. EMF allows reducing the time of details’ saturation by 1.5—2 times, increasing boride-layers’ microhardness to 19—19.5 GPa and increasing their wear resistance by 2.4—2.7 times compared with Cr—Mn—N steel without protective coating.

Key words: boriding, wear resistant, microhardness, diffusion, magnetic field.

URL: http://mfint.imp.kiev.ua/en/abstract/v38/i11/1479.html

DOI: https://doi.org/10.15407/mfint.38.11.1479

PACS: 62.20.Qp, 68.35.Dv, 68.35.Fx, 81.40.Pq, 81.40.Wx, 81.65.Lp, 83.60.Np

Citation: S. M. Chernega, I. A. Poliakov, and M. O. Krasovskiy, Formation of Complex Diffusion Boride Layers on Metastable Austenitic Nitrogen-Containing Chromium—Manganese Steels in Conditions of Action of an External Magnetic Field, Metallofiz. Noveishie Tekhnol., 38, No. 11: 1479—1495 (2016) (in Ukrainian)

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