Oxidation Behavior of Iron and Nickel in Zr_2(Fe, Ni) Precipitates in Zircaloy-2

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概要

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• The oxidation behavior of Zr2(Fe, Ni) precipitate in Zircaloy-2 was examined by microprobe Auger electron analysis focussing attention on the oxidation behavior of iron and nickel. In the pre-transition period, the iron oxide was formed only on the top surface of zirconium oxide layer of the precipitate and the thickness of iron oxide layer increased with the oxidation time, and nickel was oxidized via dissolution in the matrix zirconium oxide near the top surface. In the post-transition period, the oxidation of iron and nickel proceeded also inside the oxide layer. Such variety of oxidation behavior of iron and nickel between the pre- and post-transition period was attributed to the situation whether the oxygen potential gradient existed or not in the matrix zirconium oxide layer.

• 社団法人 日本原子力学会の論文
• 1996-11-25

著者

• Hatano Y

  Kyushu Univ.

• 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

• Sugisaki M

  Kyushu Univ. Fukuoka

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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