The Measurement of thermal conductivity of MOX including simulated FPs and impurities

Horii, Yuta ; Hirooka, Shun ; Kato, Masato ; Uno, Hiroki*; Ogasawara, Masahiro*; Tamura, Tetsuya*; Yamada, Tadahisa*; Okumura, Kazuyuki

As part of studies on physical properties of low-decontaminated fuel pellets, simulated FPs (Sm $_{2}$ O $_{3}$ and Nd $_{2}$ O $_{3}$ ) and impurities included at such as fuel fabrication process (Al $_{2}$ O $_{3}$ and SiO $_{2}$ ) were added to MOX, and their effects on thermal conductivity were evaluated. Addition of Sm $_{2}$ O $_{3}$ and Nd $_{2}$ O $_{3}$ in MOX, that can be solutionized, decreased thermal conductivity whereas addition of Al $_{2}$ O $_{3}$ and SiO $_{2}$ , that don't make a solid solution with MOX, increased thermal conductivity.

Language	:	Japanese
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Meeting title	:	日本原子力学会2022年春の年会
Held date	:	2022/03
Location (city)	:	神戸(online)
Location (country)	:	日本
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Keywords	:	MOX; 熱伝導率; 模擬FP; 不純物元素; 低除染燃料
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Article of JAEA R&D Review	:
Cooperating Institute	:	文部科学省

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Registration No. : BB20211252
JAEA Abstracts No. :
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