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ウィスカライジングによる炭素繊維 / 炭素複合体強度改善の試み
http://hdl.handle.net/10069/24245
http://hdl.handle.net/10069/24245e4f08e0a-4490-4f5b-bb4e-86e2ed7a1425
名前 / ファイル | ライセンス | アクション |
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kogaku17_29_14.pdf (5.4 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-10-15 | |||||
タイトル | ||||||
タイトル | ウィスカライジングによる炭素繊維 / 炭素複合体強度改善の試み | |||||
言語 | ||||||
言語 | jpn | |||||
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 | departmental bulletin paper | |||||
著者 |
勝木, 宏昭
× 勝木, 宏昭× 土井, 祐一× 江頭, 誠 |
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著者別名 | ||||||
姓名 | Katsuki, Hiroaki | |||||
著者別名 | ||||||
姓名 | Doi, Yuichi | |||||
著者別名 | ||||||
姓名 | Egashira, Makoto | |||||
その他のタイトル | ||||||
その他のタイトル | An Attempt to Improve Mechanical Strength of Carbon Fiber / Carbon Composites by Whiskerizing | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Carbon/Carbon (C/C) composites are of importance in the field of aerospace engineering. Two methods have so far been proposed for the production of the C/C composites: impregnation of carbon fiber (CF) fillers with pitch or resin followed by carbonization, and infiltration of the fillers with pyrolytic carbon. But, linkage between the fillers and the matrices is not satisfactory. To improve the linkage, in the present work the effect of whiskerization of the fillers with carbon micro fibers has been examined. Ptch-based commercial CF paper was used as a filler. Carbon microfibers of 0.1 -0.5 μm diameter and 20-60 μm length were grown on the CF paper by thermal decomposition of benzene at 1100℃ in the presence of iron and hydrogen sulfide as catalysts. The resulting whiskerized CF paper was then infiltrated with pyrolytic carbon (PC) under various conditions. Benzene diluted with nitrogen was also used as the source materials of PC. Infiltration with PC was most effective under the conditions of CsHs concentration 4-5%, reactant flow rate 450-600cm3/min, and pyrolysis temperature 1100℃. However, it was extremely difficult to fill up the inner space of the CF paper with PC. Thus, many voids were left behind even under the optimum conditions. The three point bending strength of the whiskerized CF paper was only 0.2-0.4 kg/mm2, which was lower than that of the as-recieved CF paper because of deterioration of the CF paper itself. On the other hand, the bending strength of the C/C composite based on the whiskerized CF paper increased to 2-3 kg/mm2, but it was approximately the same as that for the composite based on the non-whiskerized CF paper. Only a slight increase in the Young's modulus was attained by the whiskerization treatment. | |||||
書誌情報 |
長崎大学工学部研究報告 en : Reports of the Faculty of Engineering, Nagasaki University 巻 17, 号 29, p. 176-183, 発行日 1987-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02860902 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18805574 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00178418 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 長崎大学工学部 | |||||
出版者別言語 | ||||||
Faculty of Engineering, Nagasaki University | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学工学部研究報告, 17(29), pp.176-183; 1987 |