書誌事項
- タイトル別名
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- Composite Materials. Static and Fatigue Failure of FW-CFRP Tubes under Pure Torsion.
- FW CFRP チューブ ノ ジュンネジリ カジュウ カ ニ オケル セイテキ オヨビ ヒロウ ハカイ トクセイ
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A series of strength tests on FW (filament winding) CFRP tubes was carried out to clarify the effects of fiber orientation (FW) angle and test temperature. The experimental results revealed that the static strength was lower than that theoretically predicted by the simple laminate theory based on the strength data for unidirectional coupon specimens. As the test temperature increased, non-linearity in the stress-strain relationship became remarkable. Although the modulus obtained by using thin specimens is the same as that obtained by using thick specimens, the strength of thick specimens was higher than that of thin specimens. Thicker specimens are preferable to utilize their mechanical properties under torsinal moment as much as possible although there exists an optimized dimension for a given angle and compositions of the specimen.<br>Fatigue tests were also conducted at room temperature and 140°C using thicker specimens. In the case of low temperature, modulus decay with respect to loading cycles was divided into three regions: initial region where the modulus decreases steeply soon after the test started, middle region where the modulus is almost constant, final region where the modulus again decreases abruptly followed by the final failure of the specimen. On the other hand, in the case of high temperature, there exists no middle region and the modulus continuously decreases with respect to loading cycle until the final region comes.
収録刊行物
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- 材料
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材料 49 (5), 510-514, 2000
公益社団法人 日本材料学会
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詳細情報 詳細情報について
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- CRID
- 1390001205391870976
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- NII論文ID
- 110002293987
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- NII書誌ID
- AN00096175
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- ISSN
- 18807488
- 05145163
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- NDL書誌ID
- 5339497
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可