| People | Locations | Statistics |
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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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Mcgarrigle, Cormac
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Topics
Publications (11/11 displayed)
- 2022Influence of extrusion parameters on filled polyphenylsulfone tufting yarns on open-hole tensile strengthcitations
- 2022Characterization of continuous carbon fibre reinforced 3D printed polymer composites with varying fibre volume fractionscitations
- 2022Elastic Modulus and Flatwise (Through-Thickness) Tensile Strength of Continuous Carbon Fibre Reinforced 3D Printed Polymer Compositescitations
- 2021Comparison of Properties and Bead Geometry in MIG and CMT Single Layer Samples for WAAM Applicationscitations
- 2021Influence of Binder Float Length on the Out-of-Plane and Axial Impact Performance of 3D Woven Compositescitations
- 2021Thread-stripping test procedures leading to factors of safety data for friction-drilled holes in thin-section aluminium alloycitations
- 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.