Investigation of hydrogen and deuterium impact on the release of tritium from two-phase lithium ceramics under reactor irradiation

Kulsartov T. Kenzhin Y. Knitter R. Kizane G. Chikhray Y. Shaimerdenov A. Askerbekov S. Akhanov A. Kenzhina I. Zaurbekova Z. Zarins A. Sairanbayev D. Gordienko Y. Ponkratov Y.
March 2022 Elsevier Ltd

Nuclear Materials and Energy
2022 #30

In the development of fusion energy, an important task is the study and improvement of tritium production technologies. In this case, one of the most promising materials for tritium generation is lithium ceramics. Considering the importance of the task, numerous studies are aimed at solving the problem of determining the parameters and mechanisms of tritium release in lithium-containing materials. This paper presents the results of a study of tritium release processes from two-phase lithium ceramics of Li₄SiO₄/Li₂TiO₃ during reactor irradiation when hydrogen and deuterium are injected into the chamber with irradiated samples. The mechanisms regularities of the tritium yield process in the presence of these isotopes were established. The experiments were carried out in the WWR-K research reactor at a neutron flux density of 5∙10¹³n/cm²∙s and sample temperatures from 650 to 700 °C.

Deuterium , Neutron irradiation , Tritium , Tritium release , Two-phase lithium ceramic

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Institute of Applied Sciences and Information Technologies, Almaty, Kazakhstan
Al-Farabi Kazakh National University, Almaty, Kazakhstan
Karlsruhe Institute for Technology, Karlsruhe, Germany
University of Latvia, Riga, Latvia
Institute of Nuclear Physics, Almaty, Kazakhstan
Kazakh-British Technical University, Almaty, Kazakhstan
Institute of Atomic Energy, Branch of NNC RK, Kurchatov, Kazakhstan

Institute of Applied Sciences and Information Technologies
Al-Farabi Kazakh National University
Karlsruhe Institute for Technology
University of Latvia
Institute of Nuclear Physics
Kazakh-British Technical University
Institute of Atomic Energy

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