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Thermal conductivity of non-stoichiometric (Pu$$_{0.928}$$Am$$_{0.072}$$)O$$_{2-x}$$

不定比領域における(Pu$$_{0.928}$$Am$$_{0.072}$$)O$$_{2-x}$$の熱伝導率

松本 卓; 森本 恭一 ; 加藤 正人  ; 小笠原 誠洋*

Matsumoto, Taku; Morimoto, Kyoichi; Kato, Masato; Ogasawara, Masahiro*

本研究では不定比領域における(Pu$$_{0.928}$$Am$$_{0.072}$$)O$$_{2-x}$$の熱伝導率を測定・解析した。その結果、不定比領域におけるAmの熱伝導率への寄与は、Puの寄与と同程度であった。

In this study, thermal conductivity of non-stoichiometric (Pu$$_{0.928}$$Am$$_{0.072}$$)O$$_{2-x}$$ (x=0.000$$sim$$0.058) was evaluated using measured thermal diffusivity by laser flash method, the bulk density and the heat capacity. The experimental data suggested that the Am effect on thermal conductivity is almost comparable with Pu at non-stoichiometric region.

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