Journal of the Japan Society for Composite Materials
Online ISSN : 1884-8559
Print ISSN : 0385-2563
ISSN-L : 0385-2563
Research paper
Effect of Lamination Thickness on the Damage Behavior in FW-CFRP Composite Pipes Subjected to Out-of Plane Loading
Satoshi KOBAYASHIMari KAWAHARATatsuro KOSAKA
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JOURNAL FREE ACCESS

2010 Volume 36 Issue 4 Pages 138-150

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Abstract
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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© 2010 The Japan Society for Composite Materials
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