Influence of Neutron and Electron Irradiation on Structural-Phase Transformations in Fe–12Cr–2W–V–Ta–B Steel Processed under Various Heat Treatment Conditions
- Authors: Arbuzov V.L.1, Goshchitskii B.N.1, Danilov S.E.1, Kozlov A.V.2, Sagaradze V.V.1, Chernov V.M.3
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Affiliations:
- Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
- Institute of Nuclear Materials
- Bochvar High-Technology Scientific Research Institute for Inorganic Materials
- Issue: Vol 120, No 4 (2019)
- Pages: 366-370
- Section: Structure, Phase Transformations, and Diffusion
- URL: https://journals.rcsi.science/0031-918X/article/view/168421
- DOI: https://doi.org/10.1134/S0031918X19040021
- ID: 168421
Cite item
Abstract
The effect of electron and neutron irradiation and post-radiation annealing on the properties of 12% chromium ferritic-martensitic low-activated EK-181 steel treated under various heat conditions has been studied using transmission electron microscopy and resistometry. Both electron and neutron irradiation of EK-181 steel in the 300–340 K temperature range result in radiation-induced solid solution separation during all subsequent heat treatments. Isochronous annealing in the 300–500 K temperature range causes additional solid solution separation. Nanoclusters of point defects with a size from 1.5 to 5 nm and a concentration of 5 × 1016 cm–3 have been observed after neutron irradiation at a fluence of (1–5) × 1019 cm–2. Thermal homogenization of the solid solution occurs above 650 K.
About the authors
V. L. Arbuzov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: danilov@imp.uran.ru
Russian Federation, Ekaterinburg, 620108
B. N. Goshchitskii
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: danilov@imp.uran.ru
Russian Federation, Ekaterinburg, 620108
S. E. Danilov
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Author for correspondence.
Email: danilov@imp.uran.ru
Russian Federation, Ekaterinburg, 620108
A. V. Kozlov
Institute of Nuclear Materials
Email: danilov@imp.uran.ru
Russian Federation, Zarechnyi, Sverdlovsk oblast, 624250
V. V. Sagaradze
Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
Email: danilov@imp.uran.ru
Russian Federation, Ekaterinburg, 620108
V. M. Chernov
Bochvar High-Technology Scientific Research Institute for Inorganic Materials
Email: danilov@imp.uran.ru
Russian Federation, Moscow, 123098