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Method for fabrication of fully ceramic microencapsulation nuclear fuel
Currently, the commercial fuel of choice, UO2-zircaloy, is economical due to an established and simple fabrication process. However, the alternatives to the UO2-zircaloy that may improve on system safety are sought. The fully ceramic microencapsulated (FCM) fuel system that is potentially inherently safe fuel and is an improvement on the UO2-zircaloy system is prohibitively expensive because of the known methods to produce it. Disclosed herein is a new production route and fixturing that produces identical or superior FCM fuel consistent with mass production by providing a plurality of tristructural-isotropic fuel particles; mixing the plurality of tristructural-isotropic fuel particles with ceramic powder to form a mixture; placing the mixture in a die; and applying a current to the die so as to sinter the mixture by direct current sintering into a fuel element.
Method for fabrication of fully ceramic microencapsulation nuclear fuel
Currently, the commercial fuel of choice, UO2-zircaloy, is economical due to an established and simple fabrication process. However, the alternatives to the UO2-zircaloy that may improve on system safety are sought. The fully ceramic microencapsulated (FCM) fuel system that is potentially inherently safe fuel and is an improvement on the UO2-zircaloy system is prohibitively expensive because of the known methods to produce it. Disclosed herein is a new production route and fixturing that produces identical or superior FCM fuel consistent with mass production by providing a plurality of tristructural-isotropic fuel particles; mixing the plurality of tristructural-isotropic fuel particles with ceramic powder to form a mixture; placing the mixture in a die; and applying a current to the die so as to sinter the mixture by direct current sintering into a fuel element.
Method for fabrication of fully ceramic microencapsulation nuclear fuel
SNEAD LANCE LEWIS (author)
2018-10-23
Patent
Electronic Resource
English
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