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Influence of radiation transformations on the dielectric properties of electrically insulating ceramic during irradiation with a high neutron fluence



Atomic Energy, VoL 82. No. 5, 1997 INFLUENCE OF RADIATION TRANSFORMATIONS ON THE DIELECTRIC PROPERTIES OF ELECTRICALLY INSULATING CERAMIC DURING IRRADIATION WITH A HIGH NEUTRON FLUENCE I. V. Kanygina and N. S. Kostyukov UDC 621.315.67 A great deal of experimental data has now been accumulated on the action of radiation on electrically insulating materials and dielectrics. As a rule, the effect of radiation transformations on the properties of solids has been neglected in this material [1, 2]. However, in the case of irradiation with a high neutron fluence it is inadmissable to neglect the accumulation of the elements which are formed in transmutational transitions. Our objective in the present paper is to analyze the possible influence of transmutants on the properties of ceramic dielectrics after the dielectrics are irradiated with a flux of neutrons with a wide energy spectrum (up to 14 MeV) to a fluence of about 102-2 cm -2. Irradiation of samples of I 1 brands of ceramics was conducted in the VI~K-8 channel (fluence 3.7.1021 cm -2) and VO-7 channel (fluence 2.3-1022. cm -2) of a BOR-60 reactor. The computational results suggest that in studying the properties of ceramic materials (UF-46, GB-7, MG-2, M-23, L-24,



Atomic EnergySpringer Journals

Published: May 1, 1997

DOI: 10.1007/BF02418739

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