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タイトル: セラミックファイバーのねじり及びループ試験の理論計算と測定結果の検討
その他のタイトル: Theoretical and Measurement Values in Loop and Twisting Tests of Ceramic Fibers
著者: 中条, 晋也 / 山本, 彩 / 橋新, 剛 / 岩永, 浩
著者(別表記) : Chujo, Shinya / Yamamoto, Aya / Hashishin, Takeshi / Iwanaga, Hiroshi
発行日: 2003年 1月
引用: 長崎大学工学部研究報告 Vol.33(60) p.137-144, 2003
抄録: The correspondence between theoretical concept and the experimental fracture behaviors of ceramic fibers such as Pitch based and PAN based carbon fibers, alumina and glass fibers were discussed using twisting test and the loop test. In twisting test under the combined stress, the theoretical value of tensile strength was approximately consistent with the measurement value of that in Pitch based carbon fibers. Thus correspondence was not confirmed in PAN based carbon fibers by the effect of structural anisotropic. In the loop test, the fracture surfaces of alumina, carbon and glass fibers in- dicated a typical pattern containing a line shape, which appeared on the compression side of alumina fibers and on the tension side of carbon and glass fibers. These fracture morphologies are interpreted as being locations of crack initiation (tension side in alumina and compression side in carbon) by bend-breaking. The loop test proved to be a useful and sim- ple method to identify the fracture process.
URI: http://hdl.handle.net/10069/5256
ISSN: 02860902
資料タイプ: Departmental Bulletin Paper
出現コレクション:第33巻 第60号

引用URI : http://hdl.handle.net/10069/5256



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