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Technical Paper

Uranium-Plutonium Carbide Fuel for Fast Breeder Reactors

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Pages 9-22 | Published online: 12 May 2017
 

Abstract

Uranium-plutonium carbide offers an improved fuel system for advanced breeder reactors. The high-thermal conductivity and density of carbide fuels permit superior breeding performance and high specific power operation. These advantages combine to increase plutonium production, reduce fuel cycle and power costs, and lower plant capital costs. The carbide advantages are obtained at conservative fuel system design and operating conditions. Carbide fabrication technology has been demonstrated by the production of quality-assured fuel elements for irradiation testing. The carbide irradiation test program has demonstrated that high burnup can be achieved with several designs and that the consequences of postulated off-normal operating events are benign. Design bases to support helium- and sodium-bonded carbide fuel pin test irradiations in the Fast Flux Test Facility have been developed in the Experimental Breeder Reactor and the Transient Reactor irradiation tests.

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