Auger Electron Spectroscopy Study of Oxidation Behavior of Iron and Chromium in Zr (Fe, Cr)_2 Precipitate in Zircaloy-4

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概要

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• The oxidation behavior of Zr(Fe, Cr)<SUB>2</SUB> precipitates being present at the surface of Zircaloy-4 was examined with microprobe Auger electron analysis, focussing attention on the oxidation behavior of chromium and iron in the early stage of oxidation where the oxide film was coherent. Chromium formed a thin oxide layer at the top surface of the zirconium oxide film of precipitate and remained in a metallic state inside the oxide film. Iron was oxidized via dissolution in the matrix zirconium oxide near the top surface and remained in a metallic state inside the oxide film. Such variety of chemical state of chromium and iron with depth in the oxide film was attributed to the existence of oxygen potential gradient in the oxide film.

• 社団法人 日本原子力学会の論文
• 1997-03-25

著者

• Hatano Yuji

  Department Of Nuclear Engineering Faculty Of Engineering Kyushu University

• SUGISAKI Masayasu

  Department of Nuclear Engineering, Faculty of Engineering, Kyushu University

• Sugisaki Masayasu

  Department Of Nuclear Engineering Faculty Of Engineering Kyushu University

関連論文

• Role of Intermetallic Precipitates in Hydrogen Uptake of Zircaloy-2
• Auger Electron Spectroscopy Study of Oxidation Behavior of Iron and Chromium in Zr (Fe, Cr)_2 Precipitate in Zircaloy-4
• Oxidation Behavior of Iron and Nickel in Zr_2(Fe, Ni) Precipitates in Zircaloy-2
• Application of Discharge Implantation Method to Measurement of Diffusion Coefficient of Hydrogen Isotopes in Zirconium.
• Volumetric change of simulated radioactive waste glass irradiated by electron accelerator.
• Effect of grain size of stainless steel on oxidation rate under oxygen pressure controlled by Mo/MoO2 oxygen buffer.

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