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ÉLÉMENTS DE COMBUSTIBLE NUCLÉAIRE RÉSISTANT AUX INTERACTIONS CHIMIQUES DE GAINAGE DE COMBUSTIBLE ET PROCÉDÉS POUR LES FABRIQUER
ÉLÉMENTS DE COMBUSTIBLE NUCLÉAIRE RÉSISTANT AUX INTERACTIONS CHIMIQUES DE GAINAGE DE COMBUSTIBLE ET PROCÉDÉS POUR LES FABRIQUER
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摘要
This disclosure describes fuel-cladding chemical interaction (FCCI) resistant nuclear fuel elements and their manufacturing techniques. The nuclear fuel elements include two or more layers of different materials (i.e., adjacent barriers are of different base materials) provided on a steel cladding to reduce the effects of FCCI between the cladding and the nuclear material. Depending on the embodiment, a layer may be the structural element (i.e., a layer thick enough to provide more than 50% of the strength of the overall component consisting of the cladding and the barriers) or may be more appropriately described as a liner or coating that is applied in some fashion to a surface of the structural component (e.g., to the cladding, or to a structural form of the fuel).
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