1996
DOI: 10.1016/1359-835x(95)00058-a
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Dynamic crush tests of energy-absorbing laminated composite plates

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Cited by 37 publications
(20 citation statements)
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“…This phenomenon has been identified by Lavoie [21] whose fundamental work shows that the plateau value and the oscillations around the mean value for APC2 laminates is twice that of CFRP or GR-Kv epoxy laminates. Indeed, the PEEK matrix exhibits a high interlaminar fracture toughness which is suspected to be at the origin of these observations.…”
Section: Materials Effects On Initiation and Stabilization Of The Processmentioning
confidence: 99%
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“…This phenomenon has been identified by Lavoie [21] whose fundamental work shows that the plateau value and the oscillations around the mean value for APC2 laminates is twice that of CFRP or GR-Kv epoxy laminates. Indeed, the PEEK matrix exhibits a high interlaminar fracture toughness which is suspected to be at the origin of these observations.…”
Section: Materials Effects On Initiation and Stabilization Of The Processmentioning
confidence: 99%
“…Following the observation done by Lavoie [21], it is aimed here to investigate the effect on the different phases of the crushing process illustrated on figure 6, and the effect of the interlaminar toughness on the interaction between stress localization in the core of the laminate and the global breakdown and delamination. These interactions are suspected to be at the origin of the zero forces obtained in the simulations because of sudden erosion of groups of elements or loss of contact due to sudden sliding of elements done up to now with the finite elements models that do not use particles [8].…”
Section: Stabilization Of the Crushing Processmentioning
confidence: 99%
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“…The average sustained crushing load was almost the same as that from the quasi-static crush tests. It was reported that the energy absorption capability of the CFRP changed with impact speed because of the transition of the fracture mode [15] [31]- [33]. However, the double-sided plug constrained the fracture mode of the CFRP tube, which resulted in almost the same energy absorption irrespective of the impact speed.…”
Section: The Effect Of Crushing Speed On Load-crush Length Curvementioning
confidence: 99%
“…Contrary to metals, especially in compression, most composites are generally characterized by a brittle rather than ductile response to load. While metal structures 16,17 Carbon/epoxy and glass/epoxy Energy absorption decreased with increasing crushing speed Hamada and Ramakrishna 18 Carbon/PEEK Energy absorption decreased with increasing crushing speed Hull [19][20][21] Glass/polyester, glass/epoxy, carbon/epoxy, and Kevlar/ epoxy Energy absorption was rate independent Lavoie et al 22,23 Graphite/PEEK, graphite/epoxy, and hybrid graphite-Kevlar/ epoxy…”
Section: Introductionmentioning
confidence: 99%