Effect of Pulsed Helium Ion Fluxes and Helium Plasma on the Inconel 718 Alloy
- Autores: 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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Afiliações:
- 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
- Edição: Volume 2018, Nº 9 (2018)
- Páginas: 826-834
- Seção: Article
- URL: https://journals.rcsi.science/0036-0295/article/view/172123
- DOI: https://doi.org/10.1134/S0036029518090057
- ID: 172123
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Resumo
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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Sobre autores
I. Borovitskaya
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Autor responsável pela correspondência
Email: symp@imet.ac.ru
Rússia, Moscow, 119334
V. Gribkov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Autor responsável pela correspondência
Email: gribkovv@rambler.ru
Rússia, Moscow, 119334
K. Grigorovich
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Autor responsável pela correspondência
Email: grigorov@imet.ac.ru
Rússia, Moscow, 119334
A. Demin
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Autor responsável pela correspondência
Email: casha@bk.ru
Rússia, Moscow, 119334
S. Maslyaev
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Autor responsável pela correspondência
Email: maslyaev@mail.ru
Rússia, Moscow, 119334
E. Morozov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Autor responsável pela correspondência
Email: lieutenant@list.ru
Rússia, Moscow, 119334
V. Pimenov
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Autor responsável pela correspondência
Email: pimval@mail.ru
Rússia, Moscow, 119334
G. Sprygin
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences
Autor responsável pela correspondência
Email: engaer@gmail.com
Rússia, Moscow, 119334
A. Zepelev
Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences; National Research Nuclear University MEPhI
Autor responsável pela correspondência
Email: tsep@imet.ac.ru
Rússia, Moscow, 119334; Moscow, 115409
M. Gusakov
JSC Komposit
Autor responsável pela correspondência
Email: Gusakov_m@mail.ru
Rússia, Korolev, Moscow oblast, 141070
I. Logachev
JSC Komposit
Autor responsável pela correspondência
Email: ivan@logachev.biz
Rússia, Korolev, Moscow oblast, 141070
G. Bondarenko
National Research University, Higher School of Economics
Autor responsável pela correspondência
Email: gbondarenko@hse.ru
Rússia, Moscow, 101000
A. Gaidar
Research Institute of Advanced Materials and Technologies
Autor responsável pela correspondência
Email: niipmt@mail.ru
Rússia, Moscow, 115054