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  1. 060 工学部 (Faculty of Engineering)
  2. 0601 学術論文 (Journal Articles)

Low-temperature formation of alpha-alumina from various polyhydroxoaluminum-hydroxy acid composite gels

http://hdl.handle.net/10091/16075
dce9d997-8294-4b18-a846-163175f3c3b8
プレビュー
名前 / ファイル ライセンス Actions
Low-temperature_formation_alpha-alumina_various.pdf Low-temperature_formation_alpha-alumina_various.pdf (1.9 MB)
item type 学術雑誌論文 / Journal Article(1)
公開日 2012-11-20
タイトル
タイトル Low-temperature formation of alpha-alumina from various polyhydroxoaluminum-hydroxy acid composite gels
言語
言語 eng
キーワード
主題 Powder
キーワード
主題 Sol-gel processes
キーワード
主題 Al(2)O(3)
キーワード
主題 Low-temperature formation
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Yamaguchi, Tomohiro

× Yamaguchi, Tomohiro

WEKO 37727

Yamaguchi, Tomohiro

Search repository
Mukouyama, Naoyuki

× Mukouyama, Naoyuki

WEKO 37728

Mukouyama, Naoyuki

Search repository
Fujita, Takayuki

× Fujita, Takayuki

WEKO 37729

Fujita, Takayuki

Search repository
Taruta, Seiichi

× Taruta, Seiichi

WEKO 37730

Taruta, Seiichi

Search repository
Kitajima, Kunio

× Kitajima, Kunio

WEKO 37731

Kitajima, Kunio

Search repository
信州大学研究者総覧へのリンク
Yamaguchi, Tomohiro
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
Taruta, Seiichi
http://soar-rd.shinshu-u.ac.jp/profile/ja.OacaZVkh.html
出版者
出版者 ELSEVIER SCI LTD
引用
内容記述タイプ Other
内容記述 CERAMICS INTERNATIONAL. 37(1):201-206 (2011)
書誌情報 CERAMICS INTERNATIONAL

巻 37, 号 1, p. 201-206, 発行日 2011-01
抄録
内容記述タイプ Abstract
内容記述 Low-temperature alpha-alumina formation was attempted using various polyhydroxoaluminum (PHA)-hydroxy acid composite gels, which were prepared from PHA solutions containing different amounts of hydroxy acids, such as lactic acid, glycolic acid, malic acid, citric acid or mandelic acid. The composite gels began to transform into alpha-alumina when heated at lower temperatures of around 500 degrees C and the alpha-alumina fraction of the heat-treated products increased with increasing temperature. The alpha-alumina fraction was also dependent on both the type and amount of hydroxy acid additive. Among the composite gels studied, significant low-temperature alpha-alumina formation was observed for the PHA-mandelic acid, PHA-citric acid and PHA-lactic acid series. Low-temperature alpha-alumina formation was further promoted by employing a two-step heat-treatment method. The interaction between the functional groups of PHA and hydroxy acid and the seeding effect appear to play important roles in the course of the gelation and calcination processes for low-temperature alpha-alumina formation.
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 0272-8842
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA10622625
DOI
関連識別子
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.1016/j.ceramint.2010.08.035
関連名称
関連名称 10.1016/j.ceramint.2010.08.035
著者版フラグ
値 author
WoS
Web of Science
http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000285853500029
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