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- Title
Nuclear Physical Properties of Austenitic Nickel and Manganese Steels under Neutron Irradiation in Nuclear Fission (Fast) and Fusion Reactors.
- Authors
Blokhin, A. I.; Chernov, V. M.
- Abstract
The nuclear physical properties of austenitic chromium-nickel steel EK-164 (Fe–16Cr–19Ni–2Mo–2Mn–Nb–Ti–B) and its manganese-based modifications EK-164Mn (Fe–16Cr–20Mn–2Mo–Nb–Ti–B) and EK-164MnW (Fe–16Cr–20Mn–2W–Nb–Ti–B) under irradiation (up to 5 effective years) in the neutron spectra of fast power (BN-600) and thermonuclear (DEMO-C) reactors and after irradiation (nuclear cooling up to 1000 years) were determined. The investigations were based on using the ACDAM-2.0 calculation complex with consideration of the elemental (alloying and impurity) compositions of steels and typical neutron spectra of fission (BN-600) and fusion (DEMO-C) reactors. The entire set of nuclear physical characteristics of steels (primary radiation damage; transmutation of elements; radiogenic accumulation of elements, including hydrogen, helium, and boron; γ-dose rate; radioactivity; nuclear energy release; isotope contributions) is obtained and their comparative analysis is performed. The time intervals for fulfilling the criteria of low activation of steels after irradiation (γ-dose rate less than 10 mSv/h, radioactivity less than 1010 Bq/kg, energy release less than 10 W/m3) were determined.
- Subjects
MANGANESE steel; NUCLEAR fission; FUSION reactors; NEUTRON irradiation; TRANSMUTATION (Chemistry); AUSTENITIC steel; NUCLEAR energy; BORON isotopes
- Publication
Physics of Atomic Nuclei, 2021, Vol 84, Issue 7, p1272
- ISSN
1063-7788
- Publication type
Academic Journal
- DOI
10.1134/S1063778821070024