Model of Oxygen Potential of (Pu $_{0.3}$ U $_{0.7}$ )O $_{2pm X}$ and (Np $_{0.02}$ Am $_{0.02}$ Pu $_{0.3}$ U $_{0.66}$ )O $_{2-X}$ based on Lattice Defect Theory

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Kato, Masato; Aono, Shigenori; Kihara, Yoshiyuki; Konashi, Kenji*

(Pu $_{0.3}$ U $_{0.7}$ )O $_{2pm X}$ (Np $_{0.02}$ Am $_{0.02}$ Pu $_{0.3}$ U $_{0.66}$ )O $_{2-X}$ の酸素ポテンシャルについて、格子欠陥理論を用いて整理し、モデル化した。得られた式は、O/Mと温度を関数として酸素ポテンシャルを良く表すことができ、文献のデータと良く一致した。

The model of oxygen potential of (Pu $_{0.3}$ U $_{0.7}$ )O $_{2pm X}$ was derived by experimental data set based on the lattice defect theory. In the model, the oxygen potential is calculated as a function of O/M and the temperature of fuel. The oxygen potential was evaluated by the crossed point of two lines of oxygen potential in the hypo-stoichiometric region and in the hyper-stoichiometric region. The oxygen potential of (Np $_{0.02}$ Am $_{0.02}$ Pu $_{0.3}$ U $_{0.66}$ )O $_{2-X}$ was also evaluated and compared with that of (Pu $_{0.3}$ U $_{0.7}$ )O2-X

使用言語	:	English
掲載資料名	:	Materials Models and Simulations for Nuclear Fuels
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ページ数	:	13 Pages
発行年月	:	2004/00
発表会議名	:	Materials Models and Simulations for Nuclear Fuels
開催年月	:	2004/11
開催都市	:	ワシントン
開催国	:	U.S.A.
キーワード	:	no keyword

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登録番号 : 08-2004-0857
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Model of Oxygen Potential of (PuU)O and (NpAmPuU)O based on Lattice Defect Theory

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Model of Oxygen Potential of (Pu $_{0.3}$ U $_{0.7}$ )O $_{2pm X}$ and (Np $_{0.02}$ Am $_{0.02}$ Pu $_{0.3}$ U $_{0.66}$ )O $_{2-X}$ based on Lattice Defect Theory