| Item type |
テクニカルレポート / Technical Report(1) |
| 公開日 |
2015-03-26 |
| タイトル |
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|
タイトル |
フィラメント・ワインディング・パイプの強度および曲げ疲れ強度 |
| 言語 |
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言語 |
jpn |
| 資源タイプ |
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|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_18gh |
|
資源タイプ |
technical report |
| その他のタイトル（英） |
|
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その他のタイトル |
Static and Flexural Fatigue Strength of Filament-Wound Pipe |
| 著者 |
野口, 義男
古田, 敏康
NOGUCHI, Yoshio
FURUTA, Toshiyasu
|
| 著者所属 |
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航空宇宙技術研究所機体第一部 |
| 著者所属 |
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航空宇宙技術研究所機体第一部 |
| 著者所属（英） |
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|
en |
|
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First Airframe Division, National Aerospace Laboratory(NAL) |
| 著者所属（英） |
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|
en |
|
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First Airframe Division, National Aerospace Laboratory(NAL) |
| 出版者 |
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出版者 |
航空宇宙技術研究所 |
| 出版者（英） |
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出版者 |
National Aerospace Laboratory(NAL) |
| 書誌情報 |
航空宇宙技術研究所報告
en : Technical Report of National Aerospace Laboratory TR-509
巻 509,
p. 9,
発行日 1977-08
|
| 抄録（英） |
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内容記述タイプ |
Other |
|
内容記述 |
This paper presents the results of analysis and tests conducted on the static bending strength of carbon fiber filament-wound(F・W) cylindrical pipe along with the results of tests on flexural fatigue strength of the same F・W pipe. The relationship between the winding angles of F・W pipe and fracture strength under pure bending was also investigated. The analytical method for the fracture strength of F・W pipe was as follows; the three-dimensional stress components referring to the plane including fibers were analysed, taking into account elastic failure prior to overall fracture, then comparing with the fundamental strengths corresponding to the four kinds of fracture mechanisms of unidirectional fiber reinforced composites. The results of the analysis showed that the fracture modes under pure bending of helical wound pipe was determined in relationship to the winding angle; 1.Winding angle α=0°～10°, Fracture caused by compression stress in the fiber direction. 2.Winding angle α=15°～30°, Fracture caused stress normal to fibers. 3.Winding angle α=35°～50°, Fracture caused by shear stress. 4.Winding angle α=55°～90°, Fracture caused by tensile stress normal to fibers. Static and flexural fatigue tests were performed on carbon fiber F・W pipe with helical winding angles of α=15°, 25°, 35°, 45°. The fatigue test on F・W cylindrical pipe was successfully carried out using a newly-devised chuck. Both fracture strength and fracture modes obtained in the bending fracture test coincide with the analytical results. The results of the flexural fatigue test showed the ratio of the flexural fatigue strength at 10(exp 7) cycles to the static bending strength to be about 0.3 for helical winding angle α=15°, 25°, and about 0.2, for α=35°, 45°. |
| ISSN |
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収録物識別子タイプ |
ISSN |
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収録物識別子 |
0389-4010 |
| 資料番号 |
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|
内容記述タイプ |
Other |
|
内容記述 |
資料番号: NALTR0509000 |
| レポート番号 |
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|
内容記述タイプ |
Other |
|
内容記述 |
レポート番号: NAL TR-509 |
naltr00509.pdf (1.3 MB)
