THE DIFFUSION OF KRYPTON-85 FROM URANIUM DIOXIDE POWDER

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The diffusion of Kr/sup 85/ in two UO/sub 2/ powders was studied by performing a series of post-irradiation anneals on the powders. The emanation data were analyzed by considering the effect of sintering as well as the effect of a distribution of particle sizes within the sample. Measurements were made at 900 to 1500 deg C. The time at a temperature was between 8 and 24 hours. The diffusion coefficients for Kr/sup 85/ in the two powders are represented by the equations: D = 2.65 x 10/sup -4/ exp - 65,500/RT for UO/sub 2/ prepared from crushed UO/sub 2/ pellets ... continued below

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Auskern, A.B. February 1, 1960.

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The diffusion of Kr/sup 85/ in two UO/sub 2/ powders was studied by performing a series of post-irradiation anneals on the powders. The emanation data were analyzed by considering the effect of sintering as well as the effect of a distribution of particle sizes within the sample. Measurements were made at 900 to 1500 deg C. The time at a temperature was between 8 and 24 hours. The diffusion coefficients for Kr/sup 85/ in the two powders are represented by the equations: D = 2.65 x 10/sup -4/ exp - 65,500/RT for UO/sub 2/ prepared from crushed UO/sub 2/ pellets and, for a chemically prepared UO/sub 2/ powder, D = 4.9 x 10/sup -4/ exp - 73,800/RT. (auth)

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

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  • Report No.: WAPD-TM-185
  • Grant Number: AT-11-1-GEN-14
  • DOI: 10.2172/4193604 | External Link
  • Office of Scientific & Technical Information Report Number: 4193604
  • Archival Resource Key: ark:/67531/metadc873097

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  • February 1, 1960

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  • Sept. 21, 2016, 2:29 a.m.

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Auskern, A.B. THE DIFFUSION OF KRYPTON-85 FROM URANIUM DIOXIDE POWDER, report, February 1, 1960; United States. (digital.library.unt.edu/ark:/67531/metadc873097/: accessed December 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.