COMPOSITION AND METHOD FOR MANUFACTURING LARGE-GRAINED URANIUM OXIDE NUCLEAR FUEL PELLET
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United States of America Patent
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Aug 31, 2017
app pub date -
Sep 27, 2016
filing date -
Feb 25, 2016
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This invention relates to a composition and method for manufacturing a large-grained uranium oxide nuclear fuel pellet containing an additive. The nuclear fuel pellet is configured such that a uranium oxide powder and an additive powder composed of an Mg compound and a Si compound or Ca compound and a Al compound are mixed together, thus increasing a grain size to thus suppress the release of fission products, thereby increasing the stability of nuclear fuel, preventing cladding tubes from breaking, and contributing to the stable operation of nuclear power plants, ultimately increasing the overall stability of nuclear power plants including nuclear fuel.
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