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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Neale, Geoffrey
Cranfield University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024An evaluation of large diameter through-thickness metallic pins in compositescitations
- 2022Insertion of large diameter through-thickness metallic pins in compositescitations
- 2021Experimental Investigations of 3D Woven Layer to-Layer Carbon/Epoxy Composites at Different Strain Ratescitations
- 2021Experimental Investigations of 3D Woven Layer to-Layer Carbon/Epoxy Composites at Different Strain Ratescitations
- 2021Influence of Binder Float Length on the Out-of-Plane and Axial Impact Performance of 3D Woven Compositescitations
- 2020Improved crush energy absorption in 3D woven composites by pick density modificationcitations
- 2019Influence of Textile Architecture on the Mechanical Properties of 3D Woven Carbon Composites
- 2019Comparative studies of structure property relationship between glass/epoxy and carbon/epoxy 3D woven composites
- 2019Energy Absorption Mechanisms in Layer-to-Layer 3D Woven Composites
- 2019Improved Energy Absorption in 3D Woven Composites by Weave Parameter Manipulationcitations
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document
Energy Absorption Mechanisms in Layer-to-Layer 3D Woven Composites
Abstract
3D woven composites provide improved out-of-plane performance over their two-dimensional counterparts. This sort of reinforced through thickness behaviour is desirable in crashworthiness applications where energy absorption can be increased by the composite material's resistance to delamination. The behaviour of these 3D materials in not well understood and fundamental data that can be used to validate and improve material models is not yet sufficiently comprehensive. Here we demonstrate that a modified layer-to-layer type 3D woven architecture can be effectively used in energy absorbing elements to produce repeatable and predictable progressive failure under axial crush conditions. Specific energy absorption (SEA) values in glass and carbon coupons of up to 62J/g and 95J/g respectively are achieved in the quasi-static regime; values up 93J/g to were achieved in the dynamic regime when carbon coupons are tested. Carbon specimens displayed uncharacteristic mixed mode failure with elements of ductile and brittle failure. The addition of a toughening agent showed mixed results in this study, providing quasi-static improvements (+8%) in SEA but significant diminishment in dynamic SEA (-22%). The failure modes present in all cases are explored in depth and the suitability of this material for industry crash applications is investigated.