Fuel Element Catastrophe Studies Hazards of Fission Product Release From Irradiated Uranium

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The rate of reaction of highly irradiated U with air, CO/sub 2/, and steam was studied in sn investigation of the fission product release potential in a loss-of-coolant type accident postulated for Pu-producing reactors. Highly irradiated U was found to be more reactive, probably because of the defects in the oxide coating formed by the inclusion of fission products. Complete oxidation or melting was found to release rare gases, I, and Te semi- quantitatively in most atmospheres. Other fission products (Ru, Cs, and Sr) were released to a lesser extent and apparently in proportion to the amount of self- heating … continued below

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87 pages

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Parker, G. W.; Creek, G. E.; Martin, W. J. & Barton, C. J. October 31, 1960.

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The rate of reaction of highly irradiated U with air, CO/sub 2/, and steam was studied in sn investigation of the fission product release potential in a loss-of-coolant type accident postulated for Pu-producing reactors. Highly irradiated U was found to be more reactive, probably because of the defects in the oxide coating formed by the inclusion of fission products. Complete oxidation or melting was found to release rare gases, I, and Te semi- quantitatively in most atmospheres. Other fission products (Ru, Cs, and Sr) were released to a lesser extent and apparently in proportion to the amount of self- heating induced. In order of their relative tendency to release fission products, the atmospheric conditions investigated were rated in the order: air > CO/sub 2/ > steam. (auth)

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87 pages

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  • Other Information: Orig. Receipt Date: 31-DEC-60

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  • October 31, 1960

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  • Sept. 16, 2016, 12:32 a.m.

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  • March 16, 2021, 4:56 p.m.

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Parker, G. W.; Creek, G. E.; Martin, W. J. & Barton, C. J. Fuel Element Catastrophe Studies Hazards of Fission Product Release From Irradiated Uranium, report, October 31, 1960; Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc865832/: accessed February 6, 2023), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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