A comparative study of promising filter materials for neutron imaging facilities
Nazarov K.M. Kichanov S.E. Lukin E.V. Zel I.Y. Kozlenko D.P. Zholdybayev T.K. Muhametuly B. Kenessarin M. Rutkauskas A.V. Yskakov A. Belova M.O.
2021L.N. Gumilyov Eurasian National University
Eurasian Journal of Physics and Functional Materials
2021#5Issue 4169 - 180 pp.
The effect of sapphire and bismuth single-crystal filters and their combinations on the quality of neutron radiographic images and neutron tomography data has been studied. The parameters of the contrast of the neutron image were analyzed depending on the monocrystalline filters. Neutron transmission spectra were obtained for sapphire and bismuth single crystals. Additionally, the effect of filters on the overall intensity of the thermal neutron beam and the background of gamma-rays was investigated. Based on the obtained data, we assume that a single-crystal sapphire filter can be most effectively used for radiographic and tomographic installations using thermal neutrons.
Bismuth , Image quality , Neutron radiography , Sapphire , Single-crystal filters , Tomography
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Joint Institute for Nuclear Research, Dubna, Russian Federation
L.N. Gumilyov Eurasian National University, Nur-Sultan, Kazakhstan
The Institute of Nuclear Physics Ministry of Energy of the Republic of Kazakhstan, Almaty, Kazakhstan
Al-Farabi Kazakh National University, Almaty, Kazakhstan
Joint Institute for Nuclear Research
L.N. Gumilyov Eurasian National University
The Institute of Nuclear Physics Ministry of Energy of the Republic of Kazakhstan
Al-Farabi Kazakh National University
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