Abstract
The study investigates the effect of the flow of charged particles on sintering of lithium-titanium ferrite ceramics under a combined effect of high temperatures and powerful radiation fluxes. For radiation-thermal sintering, the pulsed electron accelerator ILU-6 was used. It was established that the charge accumulation in non-sintered and as-sintered samples of ferrite ceramics under radiation-thermal effects is insignificant. The electric field strength in the samples does not exceed 103 V cm−1 at room temperature, it decreases when temperature grows, and at T = 600 °C it is less than 1 V cm−1. The electric field of the volume charge virtually does not affect the passage of injected electrons in samples and physicochemical processes of their sintering cannot provide the effect of radiation intensification of the compaction of powder materials during radiation-thermal sintering. Moreover, the influence of the volume charge electric field accumulated in ferrite upon electron beam irradiation on the injected electrons parameters was not found. No violation of the continuity of sintered ferrite due to spontaneous electrical discharges during radiation electrization was established.
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Acknowledgements
The research is funded by The Ministry of Science and Higher Education of the Russian Federation as part of the Science Program, Project FSWW-2020-0008. The authors are grateful to M.V. Korobeynikov (Budker Institute of Nuclear Physics, Novosibirsk) for radiation-thermal experiments using ILU accelerator.
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Surzhikov, A., Lysenko, E., Starý, O. (2023). Accumulation of Volume Electric Charge in Ferrites Under Electron Irradiation. In: Lysenko, E., Rogachev, A., Starý, O. (eds) Recent Developments in the Field of Non-Destructive Testing, Safety and Materials Science. ICMTNT 2021. Studies in Systems, Decision and Control, vol 433. Springer, Cham. https://doi.org/10.1007/978-3-030-99060-2_19
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