Surface structure and properties of high-chromium steel irradiated with a submillisecond pulsed electron beam

M. S. Vorobyov, Yu F. Ivanov, Yu H. Akhmadeev, P. V. Moskvin, E. A. Petrikova, I. V. Lopatin

Research output: Contribution to journalConference article

Abstract

In this paper we analyze the surface structure and properties of high-chromium steel (steel 420) irradiated with a submillisecond (0.45 ms) intense pulsed electron beam on the COMPLEX vacuum setup at an Ar pressure of 3⋅10 -2 Pa. The analysis suggests that electron beam treatment with surface melting dissolves the initial carbide phase in the steel, saturates its surface layer with Cr and C atoms, and form dendrites and martensite structure. The microhardness and the wear resistance of the irradiated steel are respectively 1.5 and 50 times higher compared to the initial material, and their maximum values are attained at a beam energy density of 53 J/cm 2 .

Original languageEnglish
Article number032064
JournalJournal of Physics: Conference Series
Volume1115
Issue number3
DOIs
Publication statusPublished - 27 Nov 2018
Event6th International Congress on Energy Fluxes and Radiation Effects 2018, EFRE 2018 - Tomsk, Russian Federation
Duration: 16 Sep 201822 Sep 2018

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chromium steels
steels
electron beams
dendrites
martensite
wear resistance
carbides
microhardness
surface layers
flux density
melting
vacuum
atoms

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Surface structure and properties of high-chromium steel irradiated with a submillisecond pulsed electron beam. / Vorobyov, M. S.; Ivanov, Yu F.; Akhmadeev, Yu H.; Moskvin, P. V.; Petrikova, E. A.; Lopatin, I. V.

In: Journal of Physics: Conference Series, Vol. 1115, No. 3, 032064, 27.11.2018.

Research output: Contribution to journalConference article

Vorobyov, M. S. ; Ivanov, Yu F. ; Akhmadeev, Yu H. ; Moskvin, P. V. ; Petrikova, E. A. ; Lopatin, I. V. / Surface structure and properties of high-chromium steel irradiated with a submillisecond pulsed electron beam. In: Journal of Physics: Conference Series. 2018 ; Vol. 1115, No. 3.
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AU - Akhmadeev, Yu H.

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AU - Petrikova, E. A.

AU - Lopatin, I. V.

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AB - In this paper we analyze the surface structure and properties of high-chromium steel (steel 420) irradiated with a submillisecond (0.45 ms) intense pulsed electron beam on the COMPLEX vacuum setup at an Ar pressure of 3⋅10 -2 Pa. The analysis suggests that electron beam treatment with surface melting dissolves the initial carbide phase in the steel, saturates its surface layer with Cr and C atoms, and form dendrites and martensite structure. The microhardness and the wear resistance of the irradiated steel are respectively 1.5 and 50 times higher compared to the initial material, and their maximum values are attained at a beam energy density of 53 J/cm 2 .

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