Zobrazeno 1 - 10
of 134
pro vyhledávání: '"Sergey V. Yudintsev"'
Autor:
Sergey V. Yudintsev, Maximilian S. Nickolsky, Michael I. Ojovan, Olga I. Stefanovsky, Victor I. Malkovsky, Amina S. Ulanova, Lewis R. Blackburn
Publikováno v:
Ceramics, Vol 6, Iss 3, Pp 1573-1622 (2023)
The structural and chemical properties of zirconolite (ideally CaZrTi2O7) as a host phase for separated REE–actinide-rich wastes are considered. Detailed analysis of both natural and synthetic zirconolite-structured phases confirms that a selection
Externí odkaz:
https://doaj.org/article/0e31d9e3ff9e4cd5aaee9195a81c12ba
Publikováno v:
Ceramics, Vol 6, Iss 2, Pp 1152-1163 (2023)
Uranium-containing glass samples with an age of 140–145 million years were collected within the volcanic rocks of the largest volcanic-related uranium ore deposit in the world. Main features of their composition are high concentrations of silica an
Externí odkaz:
https://doaj.org/article/314ad6ad1d39442d8f8b400cf00e8424
Publikováno v:
Journal of Composites Science, Vol 8, Iss 2, p 70 (2024)
The current policy of managing high-level waste (HLW) derived in the closed nuclear fuel cycle consists in their vitrification into B-Si or Al-P vitreous forms. These compounds have rather limited capacity with respect to the HLW (5–20 wt%), and th
Externí odkaz:
https://doaj.org/article/4cd54395d28d4bb58f8a9dcfb167dd53
Autor:
Michael I. Ojovan, Sergey V. Yudintsev
Publikováno v:
Open Ceramics, Vol 14, Iss , Pp 100355- (2023)
We briefly overview the utilisation of glasses, ceramics and glass crystalline materials (GCMs) composed of both vitreous and crystalline phases focusing on nuclear waste immobilisation and potential use of some advanced waste forms for incorporation
Externí odkaz:
https://doaj.org/article/0ed7765764e242b09c5e40a092d552c5
Autor:
Sergey V. Yudintsev, Maximilian S. Nickolsky, Michael I. Ojovan, Olga I. Stefanovsky, Boris S. Nikonov, Amina S. Ulanova
Publikováno v:
Materials, Vol 15, Iss 17, p 6091 (2022)
Electron backscatter diffraction (EBSD) has been used for more than 30 years for analyzing the structure of minerals and artificial substances. In recent times, EBSD has been widely applied for investigation of irradiated nuclear fuel and matrices fo
Externí odkaz:
https://doaj.org/article/6b7bea80a4c3452fb4c43e23f4134688
Publikováno v:
Science and Technology of Nuclear Installations, Vol 2020 (2020)
Self-irradiation can affect durability of glasses used to immobilize high-level nuclear waste (HLW). The stability of glasses can also be indirectly affected by the radiolytic changes in contact water leading to decrease in its pH although this is un
Externí odkaz:
https://doaj.org/article/08265041647949f0bd852958c9d5d8d0
Autor:
Andrei E. Putkov, Yury A. Teterin, Alexander L. Trigub, Sergey V. Yudintsev, Olga I. Stefanovskaya, Kirill E. Ivanov, Stepan N. Kalmykov, Vladimir G. Petrov
Publikováno v:
Mendeleev Communications. 33:135-137
Autor:
Victor I. Malkovsky, Vladislav A. Petrov, Sergey V. Yudintsev, Michael I. Ojovan, Valeri V. Poluektov
Publikováno v:
Sustainability; Volume 15; Issue 1; Pages: 882
Studies of leaching of vitrified simulated high-level radioactive waste (HLW) evidence that most of actinides or their simulators enter leaching water in a colloidal form. In this paper, we consider a mechanism of colloid-facilitated migration of rad
Autor:
Sergey V. Yudintsev
Publikováno v:
Radiochemistry. 63:527-555
The reprocessing of spent nuclear fuel (SNF) of nuclear power plants leads to the generation of radioactive waste (RW), including high level waste (HLW). HLW contains hazardous long-lived fission products and actinides, therefore, the creation of eff
Publikováno v:
Doklady Earth Sciences. 500:794-801
Matrices with simulators of actinides (Sm, Nd) and technetium (Re) are produced by self-propagating high-temperature synthesis (SHS). The samples are composed of rare-earth aluminate with a garnet structure, glass, and alloys based on Fe, Re, Ni, and