The use of gadolinium as a burnable poison within U3Si2 fuel pellets

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    Abstract

    Gadolinium was mixed with uranium silicide in order to investigate the potential for its use as a burnable poison with a future Accident Tolerant Fuel (ATF) system. Three methods of manufacture were investigated, including two arc melting methods and powder blending. All methods failed to produce structurally robust pellets and were seen to produce inhomogeneous material consisting of multiple silicide phases. Of particular concern was the observation of uranium metal and (U,Gd)O2 phases within the final material.
    Original languageEnglish
    Pages (from-to)204-211
    Number of pages7
    JournalJournal of Nuclear Materials
    Volume509
    Early online date2 Jul 2018
    DOIs
    Publication statusPublished - Oct 2018

    Keywords

    • Nuclear
    • Accident Tolerant Fuel
    • Burnable Poison

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