Investigation of the oxidation behavior of Zircaloy-4 cladding in a mixture of air and steam

Yoshiyuki Nemoto,Yasuhiro Ishijima,Keietsu Kondo,Yuki Fujimura,Yoshiyuki Kaji

Journal of Nuclear Materials（2023）

引用 1|浏览3

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摘要

•Oxidation of zirconium alloy was enhanced in an air–steam mixture as compared to dry air.•Zirconium nitride beneath the oxide layer promoted pre-breakaway oxidation.•Porous oxide grew widely on the surface in post-breakaway oxidation.

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关键词

Spent fuel pool,Severe accident,Zircaloy-4,Cladding,Air and steam mixture,Oxidation mechanism

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