OUT-OF-PILE PROPERTIES OF MIXED URANIUM-PLUTONIUM CARBIDES. Progress Report, February 6, 1962-October 31, 1962

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Fabrication studies to produce high density solid solutions of 80% UC-- 20% RaC, with reproducible structure, composition, and density, were completed. Two types of material were produced: (U/sub 0.8/Pu/0.2/)C/sub 0.95/, single-phase monocarbide pellets with average densities of 12.8 g/cm/sup 3/ (94% of theoretical), sintered at 1950 deg C; and (U/sub 0.8/Pu/0.2/) C/sub 0.95/ + 0.1 wt% Ni sintering aid, major monocarbide and minor amount of sesquicarbide pellets, with average densities of 13.1 g/cm/sup 3/ (96.5% of theoretical) sintered at 1550 deg C. Bar-shaped thermal expansion specimens were fabricated of UC, prior to fabrication of similar (U,Pu)C specimens. UC pellets were ... continued below

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Pages: 46

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Strasser, A.; Stahl, D. & Taylor, K. September 18, 1963.

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Fabrication studies to produce high density solid solutions of 80% UC-- 20% RaC, with reproducible structure, composition, and density, were completed. Two types of material were produced: (U/sub 0.8/Pu/0.2/)C/sub 0.95/, single-phase monocarbide pellets with average densities of 12.8 g/cm/sup 3/ (94% of theoretical), sintered at 1950 deg C; and (U/sub 0.8/Pu/0.2/) C/sub 0.95/ + 0.1 wt% Ni sintering aid, major monocarbide and minor amount of sesquicarbide pellets, with average densities of 13.1 g/cm/sup 3/ (96.5% of theoretical) sintered at 1550 deg C. Bar-shaped thermal expansion specimens were fabricated of UC, prior to fabrication of similar (U,Pu)C specimens. UC pellets were fabricated for electropolishing and liquid-metal bonding studies. Chemical analysis procedures were established, and checked, for plutonium, nitrogen, and oxygen. Chemical analysis procedures for carbon are being estsblished. The experimental setups for the measurement of coefficient of thermal expansion, thernial stability, melting point, and fuel cladding compatibility were completed. Testing of thermal expandsion, vapor pressure, and melting point standards was initiated. UCliquid metal-tantalum compatibility tests were completed, and (U,Pu)C-liquid metal-tantalum compatibility specimens were prepared. These tests are to help in choosing a liquid-metal bond for the thermal conductivity test. The pre-installation tests for the safe performance of the high temperature measurements glove box were nearly completed. (auth)

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Pages: 46

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  • Other Information: Orig. Receipt Date: 31-DEC-64

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  • Report No.: UNC-5065
  • Grant Number: AT(30-1)-3254
  • DOI: 10.2172/4159280 | External Link
  • Office of Scientific & Technical Information Report Number: 4159280
  • Archival Resource Key: ark:/67531/metadc862935

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  • September 18, 1963

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  • Sept. 16, 2016, 12:32 a.m.

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  • Dec. 6, 2016, 3:28 p.m.

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Strasser, A.; Stahl, D. & Taylor, K. OUT-OF-PILE PROPERTIES OF MIXED URANIUM-PLUTONIUM CARBIDES. Progress Report, February 6, 1962-October 31, 1962, report, September 18, 1963; United States. (digital.library.unt.edu/ark:/67531/metadc862935/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.