Formation of the structure and properties of β-type titanium alloy upon thermomechanical treatment
- Autores: Shaboldo O.1, Vitorskii Y.1, Sagaradze V.2, Pecherkina N.2, Skotnikova M.3
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Afiliações:
- Central Research Institute of Materials
- Mikheev Institute of Metal Physics, Ural Branch
- Peter the Great St. Petersburg Polytechnic University
- Edição: Volume 118, Nº 1 (2017)
- Páginas: 75-80
- Seção: Strength and Plasticity
- URL: https://journals.rcsi.science/0031-918X/article/view/166841
- DOI: https://doi.org/10.1134/S0031918X17010069
- ID: 166841
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Resumo
The rapid quenching of β-type titanium alloy from 800°C and cold deformation by drawing (ε = 24%) leads to the formation of a cellular-banded structure with a cell size of 200 × 400 nm and high density of dislocations (~5 × 1014 m–2). During subsequent aging at 450°C, the decomposition of the β-phase occurs with a heterogeneous precipitation (at dislocations) of plates of the α phase with a thickness of 10–30 nm and length of 50–100 nm. The small size and high density of α crystals (5 × 1021 m–3) provide a substantial increase in the strength characteristics of the alloy.
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Sobre autores
O. Shaboldo
Central Research Institute of Materials
Email: vsagaradze@imp.uran.ru
Rússia, ul. Paradnaya 8, St. Petersburg, 191014
Ya. Vitorskii
Central Research Institute of Materials
Email: vsagaradze@imp.uran.ru
Rússia, ul. Paradnaya 8, St. Petersburg, 191014
V. Sagaradze
Mikheev Institute of Metal Physics, Ural Branch
Autor responsável pela correspondência
Email: vsagaradze@imp.uran.ru
Rússia, ul. S. Kovalevskoy 18, Ekaterinburg, 620137
N. Pecherkina
Mikheev Institute of Metal Physics, Ural Branch
Email: vsagaradze@imp.uran.ru
Rússia, ul. S. Kovalevskoy 18, Ekaterinburg, 620137
M. Skotnikova
Peter the Great St. Petersburg Polytechnic University
Email: vsagaradze@imp.uran.ru
Rússia, ul. Polytechnicheskaya 29, St. Petersburg, 195251