Advanced multi-scale modeling and experimental tests on fuel degradation in severe accident conditions, 1-5; Model of reaction between control rod and channel box

Pham, V. H. ; Matsuura, Suguru*; Nakajima, Shotaro*; Nagae, Yuji ; Kurata, Masaki

In this study, soaking experiments of pre-oxidized zry plates in molten mixture of stainless steel and 5 mol% boron carbide were conducted at 1200-1250 $^{circ}$ C. Thickness of oxide layer, ZrO $_{2}$ was measured before and after the soaking test to investigate the ZrO $_{2}$ thickness recession in the molten mixture. Results of the study indicated that the thickness recession of ZrO $_{2}$ was mainly caused by the diffusion of oxygen from oxide layer to metallic-Zr region.

Language	:	English
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Meeting title	:	日本原子力学会2018年秋の大会
Held date	:	2018/09
Location (city)	:	岡山
Location (country)	:	日本
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Keywords	:	福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
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Cooperating Institute	:	長岡技術科学大学

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Registration No. : BB20180399
JAEA Abstracts No. :
Paper Submission No. :

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