High chromium steel modification by the intense discrete electron beam: Structure and properties

Yurii Ivanov, Vladimir Klopotov, Anatolii Klopotov, Elizaveta Petrikova, Yurii Abzaev, Olga Ivanova, Anton Teresov

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The Fe-Cr-C system thermodynamic analysis has been made. It has been demonstrated that the Fe-Cr alloys carbon alloy addition results in the significant structural-phase state change in them and exerts determinant influence on the M23С6, M7С3, M3С2 and M3С carbides existence domain by the α-and γ-phases. The temperature field numerical calculations, forming in the steel superficial layer in the case of the electron beam irradiation, have been carried out. It has been demonstrated that the peak temperature, being achieved on the sample surface towards the end of the impulse effect, is below steel melting temperature at electrons beam energy density 10 J/cm2 regardless of the electrons beam pulse duration (50-200 ms). The peak temperature on the irradiation surface is equal to the steel boiling temperature at electrons beam energy density (20-30) J/cm2 and at pulse duration 50 µs. The peak temperature on the irradiation surface achieves and increases the steel melting temperature at pulse duration 200 µs. The AISI 321 and AISI 420 steel surface irradiation has been carried out by the intense pulse electron beam. The studies have been made and the nanostructured polyphaser superficial layers formation laws analysis have been done. It has been established that the steel electronic-beam treatment is accompanied by the М23С6 ((Cr, Fe,)23C6) composition initial carbide phase particles solution, by the carbon and chromium atoms superficial layer crystal lattice saturation, by the submicron sizes and dendritic crystallization cells formation, by the titanium carbide and chromium carbide nano-sized particles abstraction. The mechanical and tribological tests of the AISI 321 and AISI 420 steel samples, irradiated by the intense pulse electron beam, have been done. It has been detected that the superficial layer hardness increases in 1.5 times and the superficial layer wear resistance increases in 1.5 times. The friction coefficient decreases in 1.6 times. The microhardness increases in 1.5 times. The wear resistance increases in 3.2 times. The friction coefficient reduces in 2.3 times.

Original languageEnglish
Title of host publicationRadiation-Thermal Effects and Processes in Inorganic Materials
EditorsSergey Gyngazov
PublisherTrans Tech Publications Ltd
Pages64-69
Number of pages6
ISBN (Print)9783035714500
DOIs
Publication statusPublished - 1 Jan 2018
Event13th International Conference on Radiation-Thermal Effects and Processes in Inorganic Materials, RTEP 2017 - Tomsk, Russian Federation
Duration: 9 Oct 201714 Oct 2017

Publication series

NameKey Engineering Materials
Volume781 KEM
ISSN (Print)1013-9826

Conference

Conference13th International Conference on Radiation-Thermal Effects and Processes in Inorganic Materials, RTEP 2017
CountryRussian Federation
CityTomsk
Period9.10.1714.10.17

Fingerprint

Steel
Chromium
Electron beams
Irradiation
Carbides
Wear resistance
Melting point
Carbon
Friction
Temperature
Titanium carbide
Crystallization
Crystal lattices
Microhardness
Boiling liquids
Temperature distribution
Hardness
Thermodynamics
Atoms
Chemical analysis

Keywords

  • Friction coefficient
  • High-chromium stainless steel
  • Intense pulse electron beam
  • Microhardness
  • Phase composition
  • State diagram
  • Structure
  • Wear resistance

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Ivanov, Y., Klopotov, V., Klopotov, A., Petrikova, E., Abzaev, Y., Ivanova, O., & Teresov, A. (2018). High chromium steel modification by the intense discrete electron beam: Structure and properties. In S. Gyngazov (Ed.), Radiation-Thermal Effects and Processes in Inorganic Materials (pp. 64-69). (Key Engineering Materials; Vol. 781 KEM). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.781.64

High chromium steel modification by the intense discrete electron beam : Structure and properties. / Ivanov, Yurii; Klopotov, Vladimir; Klopotov, Anatolii; Petrikova, Elizaveta; Abzaev, Yurii; Ivanova, Olga; Teresov, Anton.

Radiation-Thermal Effects and Processes in Inorganic Materials. ed. / Sergey Gyngazov. Trans Tech Publications Ltd, 2018. p. 64-69 (Key Engineering Materials; Vol. 781 KEM).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ivanov, Y, Klopotov, V, Klopotov, A, Petrikova, E, Abzaev, Y, Ivanova, O & Teresov, A 2018, High chromium steel modification by the intense discrete electron beam: Structure and properties. in S Gyngazov (ed.), Radiation-Thermal Effects and Processes in Inorganic Materials. Key Engineering Materials, vol. 781 KEM, Trans Tech Publications Ltd, pp. 64-69, 13th International Conference on Radiation-Thermal Effects and Processes in Inorganic Materials, RTEP 2017, Tomsk, Russian Federation, 9.10.17. https://doi.org/10.4028/www.scientific.net/KEM.781.64
Ivanov Y, Klopotov V, Klopotov A, Petrikova E, Abzaev Y, Ivanova O et al. High chromium steel modification by the intense discrete electron beam: Structure and properties. In Gyngazov S, editor, Radiation-Thermal Effects and Processes in Inorganic Materials. Trans Tech Publications Ltd. 2018. p. 64-69. (Key Engineering Materials). https://doi.org/10.4028/www.scientific.net/KEM.781.64
Ivanov, Yurii ; Klopotov, Vladimir ; Klopotov, Anatolii ; Petrikova, Elizaveta ; Abzaev, Yurii ; Ivanova, Olga ; Teresov, Anton. / High chromium steel modification by the intense discrete electron beam : Structure and properties. Radiation-Thermal Effects and Processes in Inorganic Materials. editor / Sergey Gyngazov. Trans Tech Publications Ltd, 2018. pp. 64-69 (Key Engineering Materials).
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AB - The Fe-Cr-C system thermodynamic analysis has been made. It has been demonstrated that the Fe-Cr alloys carbon alloy addition results in the significant structural-phase state change in them and exerts determinant influence on the M23С6, M7С3, M3С2 and M3С carbides existence domain by the α-and γ-phases. The temperature field numerical calculations, forming in the steel superficial layer in the case of the electron beam irradiation, have been carried out. It has been demonstrated that the peak temperature, being achieved on the sample surface towards the end of the impulse effect, is below steel melting temperature at electrons beam energy density 10 J/cm2 regardless of the electrons beam pulse duration (50-200 ms). The peak temperature on the irradiation surface is equal to the steel boiling temperature at electrons beam energy density (20-30) J/cm2 and at pulse duration 50 µs. The peak temperature on the irradiation surface achieves and increases the steel melting temperature at pulse duration 200 µs. The AISI 321 and AISI 420 steel surface irradiation has been carried out by the intense pulse electron beam. The studies have been made and the nanostructured polyphaser superficial layers formation laws analysis have been done. It has been established that the steel electronic-beam treatment is accompanied by the М23С6 ((Cr, Fe,)23C6) composition initial carbide phase particles solution, by the carbon and chromium atoms superficial layer crystal lattice saturation, by the submicron sizes and dendritic crystallization cells formation, by the titanium carbide and chromium carbide nano-sized particles abstraction. The mechanical and tribological tests of the AISI 321 and AISI 420 steel samples, irradiated by the intense pulse electron beam, have been done. It has been detected that the superficial layer hardness increases in 1.5 times and the superficial layer wear resistance increases in 1.5 times. The friction coefficient decreases in 1.6 times. The microhardness increases in 1.5 times. The wear resistance increases in 3.2 times. The friction coefficient reduces in 2.3 times.

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KW - State diagram

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KW - Wear resistance

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