Effect of hot rolling on the structure and the mechanical properties of nitrogen-bearing austenitic–martensitic 14Kh15AN4M steel
- Authors: Bannykh O.A.1, Betsofen S.Y.2, Lukin E.I.1, Blinov V.M.1, Voznesenskaya N.M.3, Tonysheva O.A.3, Blinov E.V.3
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Affiliations:
- Baikov Institute of Metallurgy and Materials Science
- MATI—Tsiolkovskii Russian State University of Technology
- All-Russia Institute of Aviation Materials VIAM
- Issue: Vol 2016, No 4 (2016)
- Pages: 380-384
- Section: Applied Problems of Strength and Plasticity
- URL: https://journals.rcsi.science/0036-0295/article/view/170497
- DOI: https://doi.org/10.1134/S0036029516040030
- ID: 170497
Cite item
Abstract
The effect of the rolling temperature and strain on the structure and the properties of corrosionresistant austenitic–martensitic 14Kh15AN4M steel is studied. The steel is shown to exhibit high ductility: upon rolling in the temperature range 700–1100°C at a reduction per pass up to 80%, wedge steel specimens are uniformly deformed along and across the rolling direction without cracking and other surface defects. Subsequent cold treatment and low-temperature tempering ensure a high hardness of the steel (50–56 HRC). Austenite mainly contributes to the hardening upon rolling in the temperature range 700–800°C at a reduction of 50–70%, and martensite makes the main contribution at higher temperatures and lower strains. Texture does not form under the chosen deformation conditions, which indicates dynamic recrystallization with the nucleation and growth of grains having no preferential orientation.
About the authors
O. A. Bannykh
Baikov Institute of Metallurgy and Materials Science
Author for correspondence.
Email: flattop@yandex.ru
Russian Federation, Leninskii pr. 49, Moscow, 119991
S. Ya. Betsofen
MATI—Tsiolkovskii Russian State University of Technology
Email: flattop@yandex.ru
Russian Federation, ul. Orshanskaya 3, Moscow, 103767
E. I. Lukin
Baikov Institute of Metallurgy and Materials Science
Email: flattop@yandex.ru
Russian Federation, Leninskii pr. 49, Moscow, 119991
V. M. Blinov
Baikov Institute of Metallurgy and Materials Science
Email: flattop@yandex.ru
Russian Federation, Leninskii pr. 49, Moscow, 119991
N. M. Voznesenskaya
All-Russia Institute of Aviation Materials VIAM
Email: flattop@yandex.ru
Russian Federation, ul. Radio 17, Moscow, 105005
O. A. Tonysheva
All-Russia Institute of Aviation Materials VIAM
Email: flattop@yandex.ru
Russian Federation, ul. Radio 17, Moscow, 105005
E. V. Blinov
All-Russia Institute of Aviation Materials VIAM
Email: flattop@yandex.ru
Russian Federation, ul. Radio 17, Moscow, 105005