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Microstructural development in irradiated U-7Mo/6061 Al alloy matrix dispersion fuel

A U-7Mo alloy/6061 Al alloy matrix mini-dispersion fuel plate was irradiated in the Advanced Test Reactor and then examined using optical metallography and scanning electron microscopy to characterize the developed microstructure. Results were compared to the microstructure of the as-fabricated disp...

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Published in:Journal of nuclear materials 2009-09, Vol.393 (2), p.311-320
Main Authors: Keiser, Dennis D., Robinson, Adam B., Jue, Jan-Fong, Medvedev, Pavel, Wachs, Daniel M., Finlay, M. Ross
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Language:English
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cited_by cdi_FETCH-LOGICAL-c427t-1276ba088e94261f2fc9504b1567e9693977aa4f8ba9d7ea7195e35607c5dfc33
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container_title Journal of nuclear materials
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creator Keiser, Dennis D.
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description A U-7Mo alloy/6061 Al alloy matrix mini-dispersion fuel plate was irradiated in the Advanced Test Reactor and then examined using optical metallography and scanning electron microscopy to characterize the developed microstructure. Results were compared to the microstructure of the as-fabricated dispersion fuel to identify changes that occurred during irradiation. The layer that formed on the surface of the fuel U-7Mo particles during fuel plate fabrication exhibits stable irradiation performance as a result of the ∼0.88 wt% Si present in the fuel meat matrix. During irradiation, the pre-formed interaction layer changed very little in thickness and composition. The overall irradiation performance of the fuel plate to moderate power and burnup was considered excellent.
doi_str_mv 10.1016/j.jnucmat.2009.06.018
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source ScienceDirect Freedom Collection
subjects ALLOYS
Applied sciences
BURNUP
Controled nuclear fusion plants
Energy
Energy. Thermal use of fuels
Exact sciences and technology
FABRICATION
Fission nuclear power plants
FUEL PLATES
Fuels
Installations for energy generation and conversion: thermal and electrical energy
irradiated U-7Mo/6061 Al alloy matrix dispersion f
IRRADIATION
low enriched uranium
MEAT
METALLOGRAPHY
microstructural development
MICROSTRUCTURE
NUCLEAR FUEL CYCLE AND FUEL MATERIALS
Nuclear fuels
Reduced Enrichment for Research and Test Reactors
SCANNING ELECTRON MICROSCOPY
TEST REACTORS
THICKNESS
title Microstructural development in irradiated U-7Mo/6061 Al alloy matrix dispersion fuel
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