The Bredig transition effect on the thermal conductivity of CaF $_{2}$

Matsumoto, Taku; Tsuchimochi, Ryota; Hirooka, Shun ; Kato, Masato ; White, J.*; McClellan, K.*

The thermal diffusivity, thermal expansion and heat capacity of CaF $_{2}$ was measured with LFA, DIL and DSC up to 1250 $^{circ}$ C, then the thermal conductivity was evaluated. We evaluated how the Bredig transition which is one of the unique features of fluorite structure affect on the thermal conductivity.

Language	:	Japanese
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Meeting title	:	日本原子力学会2020年春の年会
Held date	:	2020/03
Location (city)	:	福島
Location (country)	:	日本
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Keywords	:	熱伝導率; ブレディッグ転移
Research Facility	:	プルトニウム燃料製造施設
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Registration No. : BB20191756
JAEA Abstracts No. :
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