Diffusion behavior of Pu and Am in oxide fuels, 2; Diffusion behavior of Pu and Am in oxide fuels, 2

Sato, Isamu; Tanaka, Kosuke ; Tanaka, Kenya; Arima, Tatsumi*; Idemitsu, Kazuya*

Diffusion couples with polycrystalline UO $_{2}$ and Am-MOX discs were annealed for 4.5 h at 1600 $^{circ}$ C under constant oxygen partial pressures. Concentrations of Pu and Am across the interfaces of the couples were measured using EPMA. The average diffusion coefficients of Pu and Am were estimated to be 10 $^{-15}$ and 10 $^{-14}$ m $^{2}$ /s by fitting their concentration profiles to Fick's law, and the difference between them was not so significant.

Language	:	Japanese
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Meeting title	:	日本原子力学会2009年秋の大会
Held date	:	2009/09
Location (city)	:	仙台
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	AGF(照射燃料試験施設)
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Article of JAEA R&D Review	:
Cooperating Institute	:	九州大学

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Registration No. : BB20090984
JAEA Abstracts No. :
Paper Submission No. :

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