Email this article Mechanical and functional properties of commercial alloy TN-1 semiproducts fabricated by warm rotary forging and ECAP
- Authors: Andreev V.A.1, Yusupov V.S.2, Perkas M.M.2, Prosvirnin V.V.2, Shelest A.E.2, Prokoshkin S.D.3, Khmelevskaya I.Y.3, Korotitskii A.V.3, Bondareva S.A.3, Karelin R.D.2,3
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Affiliations:
- Matek-Sma Ltd.
- Baikov Institute of Metallurgy and Materials Science
- National University of Science and Technology MISiS
- Issue: Vol 2017, No 10 (2017)
- Pages: 890-894
- Section: Applied Problems of Strength and Plasticity
- URL: https://journals.rcsi.science/0036-0295/article/view/171796
- DOI: https://doi.org/10.1134/S0036029517100020
- ID: 171796
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Abstract
The influence of various thermomechanical treatment schemes, which include rotary forging and severe plastic deformation by equal-channel angular pressing, on the structure and the mechanical and functional properties of TiNi alloys is studied. Treatment according to these schemes is shown to result in the formation of a mixed nano- and submicrocrystalline structure with a high dislocation density, which ensures high mechanical (σ0.2 = 760–954 MPa, σu = 917–1097 MPa, δ = 21–51%) and functional (maximum completely recoverable strain of 6.8–8%) properties.
About the authors
V. A. Andreev
Matek-Sma Ltd.
Author for correspondence.
Email: andreev.icmateks@gmail.com
Russian Federation, Karier str., 2A-1, Moscow, 117339
V. S. Yusupov
Baikov Institute of Metallurgy and Materials Science
Email: andreev.icmateks@gmail.com
Russian Federation, Leninskii pr. 49, Moscow, 119991
M. M. Perkas
Baikov Institute of Metallurgy and Materials Science
Email: andreev.icmateks@gmail.com
Russian Federation, Leninskii pr. 49, Moscow, 119991
V. V. Prosvirnin
Baikov Institute of Metallurgy and Materials Science
Email: andreev.icmateks@gmail.com
Russian Federation, Leninskii pr. 49, Moscow, 119991
A. E. Shelest
Baikov Institute of Metallurgy and Materials Science
Email: andreev.icmateks@gmail.com
Russian Federation, Leninskii pr. 49, Moscow, 119991
S. D. Prokoshkin
National University of Science and Technology MISiS
Email: andreev.icmateks@gmail.com
Russian Federation, Leninskii pr. 4, Moscow, 119049
I. Yu. Khmelevskaya
National University of Science and Technology MISiS
Email: andreev.icmateks@gmail.com
Russian Federation, Leninskii pr. 4, Moscow, 119049
A. V. Korotitskii
National University of Science and Technology MISiS
Email: andreev.icmateks@gmail.com
Russian Federation, Leninskii pr. 4, Moscow, 119049
S. A. Bondareva
National University of Science and Technology MISiS
Email: andreev.icmateks@gmail.com
Russian Federation, Leninskii pr. 4, Moscow, 119049
R. D. Karelin
Baikov Institute of Metallurgy and Materials Science; National University of Science and Technology MISiS
Email: andreev.icmateks@gmail.com
Russian Federation, Leninskii pr. 49, Moscow, 119991; Leninskii pr. 4, Moscow, 119049
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