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Perspectives in using Raman spectroscopy for characterizing the microstructure of plutonium-bearing materials

Abstract : In the frame of the development of uranium-plutonium mixed oxide fuels for Sodium-cooled Fast Reactors (SFRs), characterizing nuclear materials by various techniques is paramount. These fast neutron reactors imply the use of a (U,Pu)O$_{2-x}$ ceramic fuel with a Pu/(U+Pu) content between 19 and 30 mol.%. Furthermore, the physico-chemical and microstructural properties of such fuels, such as chemical homogeneity, oxygen stoichiometry (O/(U+Pu) ratio) and crystallographic structure, have to meet precise criteria for being introduced in the reactor core.
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Submitted on : Monday, March 23, 2020 - 10:51:41 AM
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  • HAL Id : cea-02400209, version 1

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Laeticia Medyk, Patrick Simon, Aurélien Canizarès, Dario Manara, Rudy Konings, et al.. Perspectives in using Raman spectroscopy for characterizing the microstructure of plutonium-bearing materials. Plutonium Futures 2018, Sep 2018, San Diego, United States. ⟨cea-02400209⟩

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