Initial sintering kinetics of non-stoichiometric CeO $_{2-x}$

Watanabe, Masashi ; Seki, Takayuki*

The effect of oxygen non-stoichiometry on the initial sintering behavior of CeO $_{2}$ was investigated. It was found that the initial sintering of the stoichiometric and hypo-stoichiometric composition was controlled by the grain boundary diffusion. The activation energies of cation diffusion were derived from initial sintering data. Moreover, it is suggested that the cation diffusion was caused by a vacancy mechanism.

Language	:	English
Journal	:	Materials Science & Engineering B
Volume	:	272
Number	:
Pages	:	p.115369_1 - 115369_6
Publication Year/Month	:	2021/10
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Paper URL	:	https://doi.org/10.1016/j.mseb.2021.115369
DOI for research data	:
Keywords	:	初期焼結; 拡散係数; 不定比性; 移動エネルギー
Research Facility	:	AGF(照射燃料試験施設)
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Article of JAEA R&D Review	:
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Web of Science® Times Cited Count	:	Times Cited Count： If you would like to get the latest times cited, please access the Web of Science®. http://www.webofknowledge.com/wos
InCites™	:	Percentile:7.92 Category:Materials Science, Multidisciplinary
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Registration No. : AA20200470
JAEA Abstracts No. : 49000857
Paper Submission No. : 24496

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