Effect of Pulsed Helium Ion Fluxes and Helium Plasma on the Inconel 718 Alloy
- Авторы: Borovitskaya I.1, Gribkov V.1, Grigorovich K.1, Demin A.1, Maslyaev S.1, Morozov E.1, Pimenov V.1, Sprygin G.1, Zepelev A.1,2, Gusakov M.3, Logachev I.3, Bondarenko G.4, Gaidar A.5
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Учреждения:
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
- National Research Nuclear University MEPhI
- JSC Komposit
- National Research University, Higher School of Economics
- Research Institute of Advanced Materials and Technologies
- Выпуск: Том 2018, № 9 (2018)
- Страницы: 826-834
- Раздел: Article
- URL: https://journals.rcsi.science/0036-0295/article/view/172123
- DOI: https://doi.org/10.1134/S0036029518090057
- ID: 172123
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Аннотация
The results of the irradiation of the Inconel 718 alloy with pulsed helium ion and helium plasma fluxes at a power density q = 107 W/cm2 and a pulse duration τ ≈ 100 ns in the Vikhr Plasma Focus setup are presented. The surface layer is not melted under the irradiation conditions. However, a slight increase in q causes melting of local regions in the surface and the formation of a wavy relief. Beam–plasma irradiation results in structural and phase changes in the irradiated surface layer, namely, the precipitation of microinclusions (complex niobium carbides), a redistribution of alloy elements, a slight decrease in the microhardness, and, accordingly, slight softening. These changes in the microstructure and the properties are determined by the melting of the irradiated surface in local regions, partial sputtering of solid-phase regions, and recrystallization in the near-surface layer during pulsed heating for each beam–plasma action.
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Об авторах
I. Borovitskaya
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: symp@imet.ac.ru
Россия, Moscow, 119334
V. Gribkov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: gribkovv@rambler.ru
Россия, Moscow, 119334
K. Grigorovich
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: grigorov@imet.ac.ru
Россия, Moscow, 119334
A. Demin
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: casha@bk.ru
Россия, Moscow, 119334
S. Maslyaev
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: maslyaev@mail.ru
Россия, Moscow, 119334
E. Morozov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: lieutenant@list.ru
Россия, Moscow, 119334
V. Pimenov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: pimval@mail.ru
Россия, Moscow, 119334
G. Sprygin
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: engaer@gmail.com
Россия, Moscow, 119334
A. Zepelev
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences; National Research Nuclear University MEPhI
Автор, ответственный за переписку.
Email: tsep@imet.ac.ru
Россия, Moscow, 119334; Moscow, 115409
M. Gusakov
JSC Komposit
Автор, ответственный за переписку.
Email: Gusakov_m@mail.ru
Россия, Korolev, Moscow oblast, 141070
I. Logachev
JSC Komposit
Автор, ответственный за переписку.
Email: ivan@logachev.biz
Россия, Korolev, Moscow oblast, 141070
G. Bondarenko
National Research University, Higher School of Economics
Автор, ответственный за переписку.
Email: gbondarenko@hse.ru
Россия, Moscow, 101000
A. Gaidar
Research Institute of Advanced Materials and Technologies
Автор, ответственный за переписку.
Email: niipmt@mail.ru
Россия, Moscow, 115054