Maritime Loop Irradiation Program for Savannah I Fuel Post-Irradiation Examination of SI5BM Fuel Assembly

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Abstract: A stainless steel clad 9-rod assembly fabricated by The Babcock & Wilcox Company was irradiated in a boiling water loop of the General Electric Test Reactor. A post-irradiation examination revealed no significant dimensional changes on the fuel rods. the results of mass spectrometric analysis made of the pelletized UO2 fuel indicated a maximum burnup of 11,500 MWD/tonne was attained by Rod B-4 during the exposure.An x-ray diffraction examination of an unirradiated fuel sample revealed the presence of UN2 and U2N3 phases. Metallographic examination of the irradiated microstructures revealed similar second-phase particles.

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80 pages ; illustrations.

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Mathay, P. W. November 7, 1963.

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  • Vallecitos Atomic Laboratory
    Publisher Info: General Electric Company. Vallecitos Atomic Laboratory. Atomic Power Equipment Department.
    Place of Publication: San Jose, California

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Abstract: A stainless steel clad 9-rod assembly fabricated by The Babcock & Wilcox Company was irradiated in a boiling water loop of the General Electric Test Reactor. A post-irradiation examination revealed no significant dimensional changes on the fuel rods. the results of mass spectrometric analysis made of the pelletized UO2 fuel indicated a maximum burnup of 11,500 MWD/tonne was attained by Rod B-4 during the exposure.An x-ray diffraction examination of an unirradiated fuel sample revealed the presence of UN2 and U2N3 phases. Metallographic examination of the irradiated microstructures revealed similar second-phase particles.

Physical Description

80 pages ; illustrations.

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Digitized from microopaque cards.

U.S. Atomic Energy Commission Contract AT(04-3)-189 Project Agreement 20.

Includes bibliographic references (page 62).

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  • Report No.: GEAP-4359
  • Grant Number: AT(04-3)-189 PA 20
  • SuDoc Number: Y 3.At 7:22/GEAP-4359
  • Accession or Local Control No: metadc1201380
  • Archival Resource Key: ark:/67531/metadc1201380

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  • November 7, 1963

Added to The UNT Digital Library

  • Aug. 15, 2019, 10:26 p.m.

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  • June 25, 2024, 1:22 a.m.

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Mathay, P. W. Maritime Loop Irradiation Program for Savannah I Fuel Post-Irradiation Examination of SI5BM Fuel Assembly, report, November 7, 1963; San Jose, California. (https://digital.library.unt.edu/ark:/67531/metadc1201380/: accessed May 13, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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