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Densification of rare-earth (Lu, Gd, Nd)-doped alumina nanopowders obtained by a sol-gel route under seeding
http://hdl.handle.net/10091/13656
http://hdl.handle.net/10091/13656a15d9bcc-802d-4c39-99cf-b942834de28e
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-03-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Densification of rare-earth (Lu, Gd, Nd)-doped alumina nanopowders obtained by a sol-gel route under seeding | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Alumina | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nanopowders | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Sol-gel | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Lu-doping | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Densification | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Grain size | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Odaka, Atsushi
× Odaka, Atsushi× Yamaguchi, Tomohiro× Fujita, Takayuki× Taruta, Seiichi× Kitajima, Kunio |
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信州大学研究者総覧へのリンク | ||||||
氏名 | Yamaguchi, Tomohiro | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.WVnVbpkh.html | |||||
信州大学研究者総覧へのリンク | ||||||
氏名 | Taruta, Seiichi | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.OacaZVkh.html | |||||
出版者 | ||||||
出版者 | ELSEVIER SCIENCE SA | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | POWDER TECHNOLOGY. 193(1):26-31 (2009) | |||||
書誌情報 |
POWDER TECHNOLOGY 巻 193, 号 1, p. 26-31, 発行日 2009-07-10 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Rare-earth (RE: Lu, Gd, Nd, 0.10 mol%)-doped alumina nanopowders were prepared by a new sol-gel route using polyhydroxoaluminum (PHA) and RECl(3) Solutions under alpha-alumina (similar to 75 nm) seeding. Among the rare-earth dopants studied, Lu yields the most suitable nanopowders for low-temperature densification. The 0.10 mol% Lu-doped nanopowders, which were obtained at a calcination temperature of 900 degrees C under 5 mass % alpha-alumina seeding, consisted of similar to 80-nm alpha-alumina particles and gamma-alumina nanoparticles. Using these Lu-doped alumina nanopowders, fully densified alumina ceramics with a uniform microstructure composed of fine grains with an average size of 0.61 mu m could be obtained at 1400 degrees C by pressureless sintering. Clearly, the Lu-doped nanopowders obtained here represent a viable option for fabricating dense, finer-grained alumina ceramics because an undoped sample with 5 mass% seeds gave a microstructure with an average grain size of 1.78 mu m at 1400 degrees C. (C) 2009 Elsevier B.V. All rights reserved. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0032-5910 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00778424 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.powtec.2009.02.003 | |||||
関連名称 | 10.1016/j.powtec.2009.02.003 | |||||
権利 | ||||||
権利情報 | Copyright© 2009 Elsevier B.V. All rights reserved. | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
WoS | ||||||
表示名 | Web of Science | |||||
URL | http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000266227300005 |