Low-temperature fabrication of BaBi2Nb2O9 ceramics by reaction controlled sintering

Shigyo, Tatsuhiro; Itoh, Hidenobu; Takahashi, Junichi

Journal of Materials Science: Materials in Electronics, 2010, 21(3), 302-308

Permalink : https://hdl.handle.net/2115/49217

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アクセス権
open access
URI
https://hdl.handle.net/2115/49217
タイトル
Low-temperature fabrication of BaBi2Nb2O9 ceramics by reaction controlled sintering
著者
Shigyo, Tatsuhiro ; Itoh, Hidenobu ; Takahashi, Junichi
著者名
Shigyo, Tatsuhiro
著者名
Itoh, Hidenobu
e-Rad_Researcher
40110259
著者名
Takahashi, Junichi
言語
英語
キーワード
BaBi2Nb2O9
reaction controlled sintering
low-temperature sintering
phase formation
densification
発行日
2010-03
出版者
Springer New York
収録物名
Journal of Materials Science: Materials in Electronics
巻(号)
21(3)
ページ
302-308
抄録
Reaction controlled sintering was applied to the fabrication of BaBi2Nb2O9 (BBN) ceramics at lower temperature. A powder mixture of BaCO3 and Nb2O5 was heated at 600℃ in a 1st step calcination to produce a binary precursor of BaNb2O6. The pre-heated powder was then mixed with a fixed amount of Bi2O3, which was subsequently pressed into a disk pellet. After a powder compact of the mixture was subjected to heating at 950℃ for 4 h, a BBN bulk sample with a relative density of 92% was successfully obtained. The low-temperature fabrication of dense BBN ceramics could be attributed to the inhibited formation of an intermediate phase of Ba5Nb4O15 and the production of submicron powder with an appropriate reactivity during a 1st step calcination.
資源タイプ
学術雑誌論文
出版タイプ
Accepted Manuscript
権利情報
The final publication is available at www.springerlink.com
PISSN
0957-4522
EISSN
1573-482X
関連情報 (isVersionOf)
出版社版DOI
https://doi.org/10.1007/s10854-009-9910-7