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Microstructure development and fracture toughness of acid-treated carbon nanofibers/alumina composites
http://hdl.handle.net/10091/17162
http://hdl.handle.net/10091/17162493a4d2e-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 (6.1 MB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
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| 公開日 | 2013-09-18 | |||||
| タイトル | ||||||
| タイトル | Microstructure development and fracture toughness of acid-treated carbon nanofibers/alumina composites | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| DOI | ||||||
| 関連名称 | 10.2109/jcersj2.120.560 | |||||
| キーワード | ||||||
| 主題 | Alumina, Carbon nanofibers, Composite, Fracture toughness, Microstructure development | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| 著者 |
Ueda, Naoki
× Ueda, Naoki× Yamakami, Tomohiko× Yamaguchi, Tomohiro× Kitajima, Kunio× Usui, Yuki× Aoki, Kaoru× Endo, Morinobu× Saito, Naoto× Taruta, Seiichi |
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| 信州大学研究者総覧へのリンク | ||||||
| 表示名 | 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 | ||||||
| 表示名 | 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 | ||||||
| 表示名 | 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 | ||||||
| 表示名 | 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 | ||||||
| 表示名 | 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 |
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| 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 | |||||
| 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 | |||||
