日本複合材料学会誌
Online ISSN : 1884-8559
Print ISSN : 0385-2563
ISSN-L : 0385-2563
研究論文
面外負荷を受けるFW-CFRP複合パイプの損傷挙動に及ぼす積層厚さの影響
小林 訓史河原 真梨高坂 達郎
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ジャーナル フリー

2010 年 36 巻 4 号 p. 138-150

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In order to investigate effects of lamination thickness on the damage progress due to out-of-plane loading in FW-CFRP composite pipes, impact and quasi-static indentation tests were conducted. Absorbed energy decreased with number of plies and saturated. Damages, such as indentations, splittings and fiber breakages, occurred around a loading point. Propagation of fiber breakages and splittings is larger in specimen after quasi-static indentation tests than those of impact. These damages were localized with number of plies. Residual deflections of aluminum liners were also suppressed with number of plies. Residual burst strength ratio increased more than 70% for the absorbed energy ratio of less than 10 J/m.
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