Recrystallization Kinetics of Niobium with Submicrocrystalline Structure
- Autores: Voronova L.M.1, Degtyarev M.V.1,2, Chashchukhina T.I.1,2
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Afiliações:
- Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
- Ural Federal University Named after the First President of Russia B.N. Yeltsin
- Edição: Volume 120, Nº 10 (2019)
- Páginas: 949-955
- Seção: Structure, Phase Transformations, and Diffusion
- URL: https://journals.rcsi.science/0031-918X/article/view/168739
- DOI: https://doi.org/10.1134/S0031918X19100144
- ID: 168739
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Resumo
Abstract—Transmission and scanning electron microscopy have been used to study the kinetics of recrystallization at 400 and 700°C of niobium in which a submicrocrystalline structure was created as a result of high-pressure torsion. It has been shown that the recrystallization at 700°C occurs in accordance with the kinetics of normal grain growth. A decrease in the rate constant with an increase in the duration of annealing to more than 1 h is due to textural changes, rather than the completion of primary recrystallization. Upon the low-temperature recrystallization (400°C), a stable fine-grained structure is formed, which remains almost unchanged with increasing duration of annealing.
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Sobre autores
L. Voronova
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Autor responsável pela correspondência
Email: highpress@imp.uran.ru
Rússia, Ekaterinburg, 620108
M. Degtyarev
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin
Email: highpress@imp.uran.ru
Rússia, Ekaterinburg, 620108; Ekaterinburg, 620002
T. Chashchukhina
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences; Ural Federal University Named after the First President of Russia B.N. Yeltsin
Email: highpress@imp.uran.ru
Rússia, Ekaterinburg, 620108; Ekaterinburg, 620002
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