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  1. 060 工学部
  2. 0601 学術論文

Microstructure development and fracture toughness of acid-treated carbon nanofibers/alumina composites

http://hdl.handle.net/10091/17162
http://hdl.handle.net/10091/17162
493a4d2e-9614-459a-b251-4e35eebb0c45
名前 / ファイル ライセンス アクション
Microstructure_development_fracture_toughness_acid-treated.pdf Microstructure_development_fracture_toughness_acid-treated.pdf (6.1 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2013-09-18
タイトル
言語 en
タイトル Microstructure development and fracture toughness of acid-treated carbon nanofibers/alumina composites
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 Carbon nanofibers
キーワード
主題Scheme Other
主題 Composite
キーワード
主題Scheme Other
主題 Fracture toughness
キーワード
主題Scheme Other
主題 Microstructure development
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Ueda, Naoki

× Ueda, Naoki

WEKO 37608

Ueda, Naoki

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Yamakami, Tomohiko

× Yamakami, Tomohiko

WEKO 37609

Yamakami, Tomohiko

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Yamaguchi, Tomohiro

× Yamaguchi, Tomohiro

WEKO 37610

Yamaguchi, Tomohiro

Search repository
Kitajima, Kunio

× Kitajima, Kunio

WEKO 37611

Kitajima, Kunio

Search repository
Usui, Yuki

× Usui, Yuki

WEKO 37612

Usui, Yuki

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Aoki, Kaoru

× Aoki, Kaoru

WEKO 37613

Aoki, Kaoru

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Endo, Morinobu

× Endo, Morinobu

WEKO 37614

Endo, Morinobu

Search repository
Saito, Naoto

× Saito, Naoto

WEKO 37615

Saito, Naoto

Search repository
Taruta, Seiichi

× Taruta, Seiichi

WEKO 37616

Taruta, Seiichi

Search repository
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 Aoki, Kaoru
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.WeDpbhym.html
信州大学研究者総覧へのリンク
氏名 Endo, Morinobu
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.uUTmZhkh.html
信州大学研究者総覧へのリンク
氏名 Saito, Naoto
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.WpkhuUkh.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 CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI
引用
内容記述タイプ Other
内容記述 JOURNAL OF THE CERAMIC SOCIETY OF JAPAN. 120(1408):560-568 (2012)
書誌情報 JOURNAL OF THE CERAMIC SOCIETY OF JAPAN

巻 120, 号 1408, p. 560-568, 発行日 2012-12
抄録
内容記述タイプ Abstract
内容記述 In this study, carbon nanofibers (CNFs) having different amounts of defect were prepared by acid-treating for 0.5, 1 and 5 h and were combined with alumina. Then, the influence of the amount of defect on the CNFs on microstructure development of the CNFs/alumina composites and relationship between the fracture toughness and the average alumina grain size was investigated. The intensity ratio of D-band to G-band (D/G) in Raman spectra of the CNFs increased from 0.34 for pristine CNFs to 0.95 for the CNFs acid-treated for 5 h with the acid-treatment time, which indicates that the amount of defect on the CNFs increased with the acid-treatment time. The alumina grain growth in the dense composites sintered at 1200-1300 degrees C was not influenced by the amount of defect on the CNFs, however, the composite containing CNFs having the moderate amount of defect (D/G = 0.56) showed the slowest alumina grain growth rate at 1350-1450 degrees C. The fracture toughness of the composites containing the CNFs acid-treated for 0.5 h increased with a decrease in average alumina grain size and reached 5.6 MPa.m(0.5) at the average alumina grain size of 0.84 mu m, which was 60% higher value compared to monolithic alumina (3.5 MPa.m(0.5)). However, fracture toughness of the composites containing CNFs acid-treated for 1 and 5 h increased with a decrease in average alumina grain size, showed the maximum values of 5.0 and 4.5 MPa.m(0.5) at average alumina grain sizes of 1.3 and 1.6 mu m, respectively, and decreased as the average alumina grain size decreased further. The maximum fracture toughness of the composite containing the CNFs acid-treated for 5 h was lower than that of the composite containing the CNFs acid-treated for 1 h. (C)2012 The Ceramic Society of Japan 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 1882-0743
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA12229489
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.2109/jcersj2.120.560
関連名称 10.2109/jcersj2.120.560
権利
権利情報 Copyright© 2012 The Ceramic Society of Japan
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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=000312978400002
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