Structure of high-chromium steel treated by a microsecond (50-450 μs) low-energy electron beam

Yu F. Ivanov, O. V. Krysina, Yu H. Akhmadeev, I. V. Lopatin, E. A. Petrikova, A. D. Teresov

Research output: Contribution to journalConference article

Abstract

Here we study the elemental composition, phase state, and defect substructure of high-chromium steel 420 exposed to intense low-energy electron beam irradiation with three pulses of duration 50-200 μs on the SOLO setup and with three pulses of duration 450 μs on the COMPLEX setup at a beam energy density of 40-43 J/cm 1 . The research methods include scanning electron microscopy, transmission electron microscopy, and X-ray diffraction analysis. The study shows that electron beam irradiation with surface melting, irrespective of the pulse duration, dissolves the initial carbide phase M 23 C 6 ((Cr, Fe) 23 C 6 ) in steel 420, saturates its surface layer with Cr atoms, and forms submicron dendrite cells, nanosized Cr 3 C 2 and FeCr precipitates, and martensite structure in the steel.

Original languageEnglish
Article number032029
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
irradiation
dendrites
pulses
martensite
substructures
carbides
precipitates
surface layers
pulse duration
flux density
melting
transmission electron microscopy
scanning electron microscopy
energy
defects
cells
diffraction

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Structure of high-chromium steel treated by a microsecond (50-450 μs) low-energy electron beam. / Ivanov, Yu F.; Krysina, O. V.; Akhmadeev, Yu H.; Lopatin, I. V.; Petrikova, E. A.; Teresov, A. D.

In: Journal of Physics: Conference Series, Vol. 1115, No. 3, 032029, 27.11.2018.

Research output: Contribution to journalConference article

Ivanov, Yu F. ; Krysina, O. V. ; Akhmadeev, Yu H. ; Lopatin, I. V. ; Petrikova, E. A. ; Teresov, A. D. / Structure of high-chromium steel treated by a microsecond (50-450 μs) low-energy electron beam. In: Journal of Physics: Conference Series. 2018 ; Vol. 1115, No. 3.
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AU - Ivanov, Yu F.

AU - Krysina, O. V.

AU - Akhmadeev, Yu H.

AU - Lopatin, I. V.

AU - Petrikova, E. A.

AU - Teresov, A. D.

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