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The effect of temperature and microstructure of sintered beryllium oxide on the scattering cross section of thermal neutrons

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Abstract

The total effective neutron cross section σt for sintered beryllium oxide in the 0.0025–10 ev neutron energy range was measured by means of a mechanical selector at four temperatures of the scattering sample: 290, 800, 1300 and 1500 °K. Measurements of σt for beryllium oxide samples of different microstructure were also carried out at room temperature. Slight anisotropy of scattering, due to texture, and a marked influence of the size of the crystal grain on σt, due to the extinction effect, were noted.

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Authors
  1. I. F. Zhezherun
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  2. I. P. Sadikov
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  3. A. A. Chernyshov
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Zhezherun, I.F., Sadikov, I.P. & Chernyshov, A.A. The effect of temperature and microstructure of sintered beryllium oxide on the scattering cross section of thermal neutrons. The Soviet Journal of Atomic Energy 13, 852–859 (1963). https://doi.org/10.1007/BF01488911

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  • DOI: https://doi.org/10.1007/BF01488911

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