Method for producing nuclear fuel products with a high loading of LEU and corresponding nuclear fuel product
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United States of America Patent
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May 15, 2018
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Oct 21, 2011
filing date -
Oct 21, 2011
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Abstract
A method of producing a nuclear fuel product is provided. The method includes the steps of providing a core comprising aluminum and low-enriched uranium; and sealing said core in a cladding. The low-enriched uranium has a proportion of U235 below 20 wt %. The core includes more than 80 wt % of a mixture of UAl3 phase and UAl4 phase, and the mixture has a weight fraction of UAl3 phase higher than or equal to 50%, or the core includes more than 50 wt % of UAl2 phase. The core has a low-enriched uranium loading higher than 3.0 gU/cm3. The core includes less than 10 wt % in total of one or several material(s) taken from the list consisting of aluminum phase and aluminum compounds other than UAl2 phase, than UAl3 phase, and than UAl4 phase. A corresponding nuclear fuel product is also provided.
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