Microstructure and Thermophysical Characterization of Mixed Oxide Fuels

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1215-V10-06

Microstructure and Thermophysical Characterization of Mixed Oxide Fuels Franz J. Freibert, Tarik A. Saleh, Fred G. Hampel, Daniel S. Schwartz, Jeremy N. Mitchell, Charles C. Davis, Angelique D. Neuman, Stephen P. Willson, and John T. Dunwoody Los Alamos National Laboratory, Los Alamos, NM 87545, U.S.A.

ABSTRACT Pre-irradiated thermodynamic and microstructural properties of nuclear fuels form the necessary set of data against which to gauge fuel performance and irradiation damage evolution. This paper summarizes recent efforts in mixed-oxide and minor actinide-bearing mixed-oxide ceramic fuels fabrication and characterization at Los Alamos National Laboratory. Ceramic fuels (U1-x-y-zPuxAmyNpz)O2 fabricated in the compositional ranges of 0.19

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