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Article Dans Une Revue Corrosion Science Année : 2020

Breakaway oxidation of zirconium alloys exposed to steam around 1000 °C

Résumé

The breakaway oxidation of Zircaloy-4 and M5Framatome alloys oxidized in flowing steam around 1000 °C was studied. The influences of oxidation temperature between 950 and 1050 °C, one-side versus two-side oxidation and chemical variations around the nominal composition of M5Framatome were investigated. Breakaway oxidation is sensitive to the oxidation temperature, the material and the oxidation type. A phenomenological mechanism for breakaway oxidation is postulated on the basis of microstructural and microchemical analyses.
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hal-02924036 , version 1 (12-03-2021)

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Matthieu Le Saux, Jean-Christophe Brachet, Valérie Vandenberghe, Antoine Ambard, Raphaël Chosson. Breakaway oxidation of zirconium alloys exposed to steam around 1000 °C. Corrosion Science, 2020, 176 (108936), pp.1-21. ⟨10.1016/j.corsci.2020.108936⟩. ⟨hal-02924036⟩
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