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The Preparation of Uranium

Description: The method used for the preparation of uranium metal in a fused state was reduction of uranium chloride with calcium in a refractory-lined bomb. The reaction was started by externally heating the bomb with a gas flame. The metal was obtained in a solid chunk which was covered with a layer of fused calcium chloride. The metal obtained by this process had a density of 17.6 which on remelting in a vacuum induction furnace rose to 18.8. The melting temperature of the metal was estimated to be no gr… more
Date: August 26, 1948
Creator: Rodden, Clement J.
Partner: UNT Libraries Government Documents Department
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Spin density study of UCl/sub 4/: discovery of cobalency effects

Description: Neutron experiments have been performed to measure the induced spin density distribution in single crystals of uranium tetrachloride at low temperature. A structural refinement has also established the atomic positions and thermal parameters at low temperature and these are in agreement with earlier studies. The spin-density distribution, determined with polarized neutrons, shows small but significant deviations from that expected from the single-ion crystal-field model. Fourier difference maps… more
Date: August 1, 1985
Creator: Lander, G. H.; Brown, P. J.; Spirlet, M. R.; Rebizant, J.; Kanellakopulos, B. & Klenze, R.
Partner: UNT Libraries Government Documents Department
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High Temperature Cladding Alloys

Description: For high-temperature applications, fuel element cladding materials are required to protect the base metal structure and to contain the fuel so as to minimize fission product release and fuel loss. Since the early work on clad Mo fuel element concepts, many metallic cladding systems have been investigated for direct cycle reactors. The developments in stainless steel and Ni alloy claddings are reviewed and the more recent applications of new oxidation- resistant ferrous-base and chromium-base al… more
Date: August 1960
Creator: Collins, J. F. & McGurty, J. A.
Partner: UNT Libraries Government Documents Department
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