STP1423

    Physical Phenomena Concerning Corrosion Under Irradiation of Zr Alloys

    Published: Jan 2002


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    Abstract

    The phenomena involved in the corrosion enhancement of Zr alloys under irradiation are analyzed. Among the basic mechanisms concerned, some are related to changes in microstructure of the alloy due to irradiation (precipitate evolution under irradiation and amorphous transformation), others to the transformation of the oxide layer (ZrO2) induced by neutron damage (irradiation-induced phase transformation of the zirconia). The effect of water chemistry and of the ionizing γ photons on the insulating zirconia will also be discussed.

    Keywords:

    corrosion, Zr alloys, high-temperature water


    Author Information:

    Lemaignan, C
    CEA Grenoble, Grenoble,


    Paper ID: STP11381S

    Committee/Subcommittee: B10.02

    DOI: 10.1520/STP11381S


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