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Information × Registration Number 0223U005334, 0123U102776 , R & D reports Title Development of the advanced neutron-absorbing materials for control rods with extended resource popup.stage_title Head Krasnorutskyi Volodymyr S., Кандидат фізико-математичних наук Registration Date 20-12-2023 Organization "Nuclear Fuel Cycle" Science and Technology Establishment National Science Center"Kharkov Institute of Physics & Technology" National Academy of Science,Ukraine popup.description2 Based on the analysis of the world and own data on research and development of neutron-absorbing materials, a selection of composite materials was made whose characteristics could meet the requirements for "black" and "gray" absorbing elements (hereinafter referred to as "SEL"), which included hafnium, dysprosium, zirconium, gadolinium, and erbium; comparative calculations of the physical efficiency of neutron absorption by composite materials based on the selected elements were performed; Based on the analysis of phase diagrams of binary systems of hafnium and zirconium with rare earth oxides, the compositions of starting materials were determined to obtain the specified compositions of composite neutron-absorbing materials obtained as a result of synthesis; recommendations on the most promising compositions of neutron-absorbing materials were prepared; based on the study of technological operations for the manufacture of composite neutron-absorbing materials, including the synthesis of materials, obtaining materials in tablet form, a technological scheme for the manufacture of experimental samples of materials (tablets of neutron-absorbing materials) for the study of their characteristics was developed; batches of samples in tablet form were produced and their characteristics (density, structural and phase state) were evaluated Product Description popup.authors Bondarenko Sergey L Byrlov Volodumur V Grytsyna Viktor M. Hrudnytskyi Vadym V. Dikiy Іvan V. Zigunov Volodymyr V Zuyok Valerii A. Kirsanova Olha S Kolodiy Igor Viktorovych Krasnorutskyi Volodymyr S. Kushtym Anton V. Kushtym Yana Legenky Egor S Romankov Viktor O Rud Roman O Slabospytska Olena O Tretyakov Mychaylo V Chernov Igor O Shevchenko Igor V popup.nrat_date 2023-12-20 Close