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Dynamics of Deuterium Release from EK-181 and Eurofer Steels Depending on Storage Conditions
- Authors: Golubeva A.V1, Alimov V.K.2, Efimov V.S3, Persianova A.P1, Bobyr N.P1,4, Shishkova T.A1,5, Terentyev D.6, Chernov V.M3,4
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Affiliations:
- National Research Center "Kurchatov Institute"
- A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS
- National Research Nuclear University MEPhI
- A.A. Bochvar High-Technology Scientific Research Institute for Inorganic Materials
- Mendeleev University of Chemical Technology
- Institute of Nuclear Materials Science, SCK CEN, Belgian Nuclear Research Centre
- Issue: No 5 (2025)
- Pages: 47-55
- Section: Articles
- URL: https://journal-vniispk.ru/1028-0960/article/view/356811
- DOI: https://doi.org/10.7868/S3034573125050063
- ID: 356811
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Abstract
The EK-181 and Eurofer steel samples were saturated in gaseous deuterium at 200°C and a pressure of 5 atm for 25 h. The effect of sample storage conditions (in vacuum or in air) on the deuterium release from EK-181 and Eurofer steels was studied. The deuterium retention was examined by thermal desorption spectroscopy after storage from several days to one and a half years after the samples were saturated with deuterium. The EK-181 steel samples contained 3.5–6 times more deuterium than the Eurofer steel samples. After one and a half years of storage, the deuterium retention decreased by 1.5–3 times in EK-181 steel and by 3–4 times in Eurofer steel. For the EK-181 steel samples, no unambiguous conclusion can be made about the effect of storage conditions on the deuterium release from the material. Deuterium releases more slowly from the Eurofer steel samples if they were stored in a vacuum. Time dependences of the deuterium retention under different storage conditions were obtained.
About the authors
A. V Golubeva
National Research Center "Kurchatov Institute"
Author for correspondence.
Email: golubeva_av@nrcki.ru
Moscow, Russia
V. Kh Alimov
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS
Email: golubeva_av@nrcki.ru
Moscow, Russia
V. S Efimov
National Research Nuclear University MEPhI
Email: golubeva_av@nrcki.ru
Moscow, Russia
A. P Persianova
National Research Center "Kurchatov Institute"
Email: golubeva_av@nrcki.ru
Moscow, Russia
N. P Bobyr
National Research Center "Kurchatov Institute"; A.A. Bochvar High-Technology Scientific Research Institute for Inorganic Materials
Email: golubeva_av@nrcki.ru
Moscow, Russia; Moscow, Russia
T. A Shishkova
National Research Center "Kurchatov Institute"; Mendeleev University of Chemical Technology
Email: golubeva_av@nrcki.ru
Moscow, Russia; Moscow, Russia
D. Terentyev
Institute of Nuclear Materials Science, SCK CEN, Belgian Nuclear Research Centre
Email: golubeva_av@nrcki.ru
Mol, Belgium
V. M Chernov
National Research Nuclear University MEPhI; A.A. Bochvar High-Technology Scientific Research Institute for Inorganic Materials
Email: golubeva_av@nrcki.ru
Moscow, Russia; Moscow, Russia
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