Healing of Fast-Neutron-Induced Changes in Graphite. III. Further Experiments on Effect of Heating During Exposure

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Abstract. It has been established that heating samples of graphite during exposure in a pile decreases substantially the observed changes in the elastic modulus and electrical resistance caused by the irradiation. The functional relationship between the percentage changes observed and the temperature of exposure resembles the relationship between the final percentage changes and the temperature of heat treatment after exposure (cf. report CC-1668). Anomalous results reported previously for higher temperatures in CC01669 are now shown to be attributable to a destructive influence on the graphite, probably oxidation of samples exposed in air.

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9 pages : illustrations

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Neubert, T. J.; Novick, A.; Schenek, R. T.; Shapiro, E. & Van Dyken, A. R. March 3, 1945.

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Abstract. It has been established that heating samples of graphite during exposure in a pile decreases substantially the observed changes in the elastic modulus and electrical resistance caused by the irradiation. The functional relationship between the percentage changes observed and the temperature of exposure resembles the relationship between the final percentage changes and the temperature of heat treatment after exposure (cf. report CC-1668). Anomalous results reported previously for higher temperatures in CC01669 are now shown to be attributable to a destructive influence on the graphite, probably oxidation of samples exposed in air.

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9 pages : illustrations

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Digitized from microopaque cards (1).

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  • SuDoc Number: Y 3.At 7:22/CC-2758
  • Report No.: CC-2758
  • Accession or Local Control No: metadc1256394
  • Archival Resource Key: ark:/67531/metadc1256394

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  • March 3, 1945

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  • Aug. 10, 2021, 7:38 a.m.

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  • Jan. 20, 2022, 8:45 a.m.

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Thumbnail image of item number 1 in: 'Healing of Fast-Neutron-Induced Changes in Graphite. III. Further Experiments on Effect of Heating During Exposure'.
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Neubert, T. J.; Novick, A.; Schenek, R. T.; Shapiro, E. & Van Dyken, A. R. Healing of Fast-Neutron-Induced Changes in Graphite. III. Further Experiments on Effect of Heating During Exposure, report, March 3, 1945; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1256394/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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