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

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

Выдержка

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.

Язык оригиналаАнглийский
Название основной публикацииRadiation-Thermal Effects and Processes in Inorganic Materials
РедакторыSergey Gyngazov
ИздательTrans Tech Publications Ltd
Страницы64-69
Число страниц6
ISBN (печатное издание)9783035714500
DOI
СостояниеОпубликовано - 1 янв 2018
Событие13th International Conference on Radiation-Thermal Effects and Processes in Inorganic Materials, RTEP 2017 - Tomsk, Российская Федерация
Продолжительность: 9 окт 201714 окт 2017

Серия публикаций

НазваниеKey Engineering Materials
Том781 KEM
ISSN (печатное издание)1013-9826

Конференция

Конференция13th International Conference on Radiation-Thermal Effects and Processes in Inorganic Materials, RTEP 2017
СтранаРоссийская Федерация
ГородTomsk
Период9.10.1714.10.17

Отпечаток

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

ASJC Scopus subject areas

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

Цитировать

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. В S. Gyngazov (Ред.), Radiation-Thermal Effects and Processes in Inorganic Materials (стр. 64-69). (Key Engineering Materials; Том 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. ред. / Sergey Gyngazov. Trans Tech Publications Ltd, 2018. стр. 64-69 (Key Engineering Materials; Том 781 KEM).

Результат исследований: Материалы для книги/типы отчетовМатериалы для конференции

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. в S Gyngazov (ред.), Radiation-Thermal Effects and Processes in Inorganic Materials. Key Engineering Materials, том. 781 KEM, Trans Tech Publications Ltd, стр. 64-69, Tomsk, Российская Федерация, 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 и соавт. High chromium steel modification by the intense discrete electron beam: Structure and properties. В Gyngazov S, редактор, Radiation-Thermal Effects and Processes in Inorganic Materials. Trans Tech Publications Ltd. 2018. стр. 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. редактор / Sergey Gyngazov. Trans Tech Publications Ltd, 2018. стр. 64-69 (Key Engineering Materials).
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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.",
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KW - High-chromium stainless steel

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KW - Microhardness

KW - Phase composition

KW - State diagram

KW - Structure

KW - Wear resistance

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