Recrystallization of submicrocrystalline niobium upon heating above and below the temperature of thermally activated nucleation
- Authors: Degtyarev M.V.1, Voronova L.M.1, Chashchukhina T.I.1, Shinyavskii D.V.1, Levit V.I.2
-
Affiliations:
- Mikheev Institute of Metal Physics, Ural Branch
- VITALD L.L.S.
- Issue: Vol 117, No 11 (2016)
- Pages: 1111-1118
- Section: Structure, Phase Transformations, and Diffusion
- URL: https://journals.rcsi.science/0031-918X/article/view/166408
- DOI: https://doi.org/10.1134/S0031918X16110053
- ID: 166408
Cite item
Abstract
The recrystallization of a niobium submicrocrystalline structure created by high-pressure torsion at room temperature has been investigated. It has been shown that continuous recrystallization begins at just 300°С. It has been characterized by the nonuniform growth of microcrystallites, which prevents the formation of a uniform submicrograin structure. The formation of thermally activated recrystallization nuclei at 900°C increases the nonuniformity of grain size and somehow refines recrystallized grains.
About the authors
M. V. Degtyarev
Mikheev Institute of Metal Physics, Ural Branch
Email: highpress@imp.uran.ru
Russian Federation, ul. S. Kovalevskoi 18, Ekaterinburg, 620099
L. M. Voronova
Mikheev Institute of Metal Physics, Ural Branch
Author for correspondence.
Email: highpress@imp.uran.ru
Russian Federation, ul. S. Kovalevskoi 18, Ekaterinburg, 620099
T. I. Chashchukhina
Mikheev Institute of Metal Physics, Ural Branch
Email: highpress@imp.uran.ru
Russian Federation, ul. S. Kovalevskoi 18, Ekaterinburg, 620099
D. V. Shinyavskii
Mikheev Institute of Metal Physics, Ural Branch
Email: highpress@imp.uran.ru
Russian Federation, ul. S. Kovalevskoi 18, Ekaterinburg, 620099
V. I. Levit
VITALD L.L.S.
Email: highpress@imp.uran.ru
United States, Hilliard, Ohio, 43026