The Irradiation Behaviour of Hot-Pressed Dispersions of (U, Th)Be13 in Beryllium :Second Irradiation Experiment

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Description

Fuel specimens having uranium—thorium beryllides as the fissile bearing phase were irradiated at 400 to 700 ºC to burn—ups between 7 and 11a/0 uranium in a predominantly thermal flux, two specimens of massive (U;Th)Be13 exhibited good dimensional stability and low fission gas release. Dispersion specimens containing 20, 35, and 50v/o (U,Th)Be13 swelled by 3 to 18 per cent, and released up to 33 per cent, of the gaseous fission products. The results indicate that the mixed beryllide is an inherently good fuel material and lead to the conclusion that the poor irradiation stability of hot—pressed specimens may not be typical … continued below

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22 pages : illustrations

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Hanna, G. L.; ickman, B. S. (Brian Stuart) & Hilditch, R. J. November 1963.

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  • Main Title: The Irradiation Behaviour of Hot-Pressed Dispersions of (U, Th)Be13 in Beryllium :Second Irradiation Experiment
  • Added Title: AAEC/E
  • Series Title: Australian Atomic Energy Commission Reports
  • Added Title: Australian Atomic Energy Commission Report E-112

Description

Fuel specimens having uranium—thorium beryllides as the fissile bearing phase were irradiated at 400 to 700 ºC to burn—ups between 7 and 11a/0 uranium in a predominantly thermal flux, two specimens of massive (U;Th)Be13 exhibited good dimensional stability and low fission gas release. Dispersion specimens containing 20, 35, and 50v/o (U,Th)Be13 swelled by 3 to 18 per cent, and released up to 33 per cent, of the gaseous fission products. The results indicate that the mixed beryllide is an inherently good fuel material and lead to the conclusion that the poor irradiation stability of hot—pressed specimens may not be typical of (U,Th)Be13— Be dispersions prepared by other techniques.

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22 pages : illustrations

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Digitized from microopaque cards (2).

Includes bibliographic references (page 7).

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  • SuDoc Number: Y 3.At 7:22/AAEC/E-112
  • Report No.: AAEC/E-112
  • Accession or Local Control No: metadc1257449
  • Archival Resource Key: ark:/67531/metadc1257449

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  • November 1963

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  • June 18, 2021, 7:24 a.m.

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  • April 18, 2023, 9:51 a.m.

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Hanna, G. L.; ickman, B. S. (Brian Stuart) & Hilditch, R. J. The Irradiation Behaviour of Hot-Pressed Dispersions of (U, Th)Be13 in Beryllium :Second Irradiation Experiment, report, November 1963; Lucas Heights, New South Wales, Australia. (https://digital.library.unt.edu/ark:/67531/metadc1257449/: accessed July 17, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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