DIMENSIONAL INSTABILITY OF URANIUM--II. Second Annual Progress Report, January 1, 1956 to June 30, 1957

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The mechanism of dimensional instability of irradiated uranium is under investigation. In order to confirm an assumption of the diffusion theory, the magnitude of diffusion anisotropy in alpha-uranium single crystals is being determined by measurement of the diffusion coefficients along the principal directions. Progress made in working out procedures for the preparation of uranium single crystals, preparation of the diffusion couples, measurement of valid concentration-penetration data in very thin diffusion zones by sectioning, and measurement of surface concentrations by means of nuclear tracking emudsions is discussed. Also, in-pile experiments are being designed to further clarify the nature of growth under ... continued below

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Pages: 14

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Resnick, R.; Castleman, L.S. & Seigle, L. February 15, 1958.

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Description

The mechanism of dimensional instability of irradiated uranium is under investigation. In order to confirm an assumption of the diffusion theory, the magnitude of diffusion anisotropy in alpha-uranium single crystals is being determined by measurement of the diffusion coefficients along the principal directions. Progress made in working out procedures for the preparation of uranium single crystals, preparation of the diffusion couples, measurement of valid concentration-penetration data in very thin diffusion zones by sectioning, and measurement of surface concentrations by means of nuclear tracking emudsions is discussed. Also, in-pile experiments are being designed to further clarify the nature of growth under irradiation. (auth)

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Pages: 14

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  • Other Information: For Sylvania-Corning Nuclear Corp. Orig. Receipt Date: 31-DEC-58

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  • Report No.: SEP-246
  • Grant Number: AT-30-1-GEN-366
  • DOI: 10.2172/4316494 | External Link
  • Office of Scientific & Technical Information Report Number: 4316494
  • Archival Resource Key: ark:/67531/metadc1026918

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  • February 15, 1958

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  • Oct. 15, 2017, 10:09 p.m.

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Resnick, R.; Castleman, L.S. & Seigle, L. DIMENSIONAL INSTABILITY OF URANIUM--II. Second Annual Progress Report, January 1, 1956 to June 30, 1957, report, February 15, 1958; United States. (digital.library.unt.edu/ark:/67531/metadc1026918/: accessed June 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.