Tritium release from neutron-irradiated LiO; Transport in porous sintered pellets

Tanifuji, Takaaki*; Yamaki, Daiju; Jitsukawa, Shiro

The tritium release behavior from Li $_{2}$ O sintered pellets is observed by isothemal heating tests. (1) For 81%TD,The rate determining process is controlled by Kohlrauch strecthed exponential form. Tritium trapped in irradiation defects released with recovering the defects by isothermal heating. (2) For 88%TD, tritium release behavior is controlled by Avrami law (exponent n=0.5). The rate determining process is the connected micro-pore migration process.

Language	:	English
Journal	:	Fusion Engineering and Design
Volume	:	81
Number	:	1-7
Pages	:	p.595 - 600
Publication Year/Month	:	2006/02
Meeting title	:	7th International Symposium on Fusion Nuclear Technology (ISFNT-7)
Held date	:	2005/05
Location (city)	:	Tokyo
Location (country)	:	Japan
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/j.fusengdes.2005.10.011
DOI for research data	:
Keywords	:	Tritium; Avrami Law; Micro-pore; Stretched Exponential Function
Research Facility	:	JRR-4(研究炉4)
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:

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Registration No. : B20042061
JAEA Abstracts No. : 34000265
Paper Submission No. : 376

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