| 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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Grasso, Marzio
Cranfield University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2023PEO-based polymer blend electrolyte for composite structural batterycitations
- 2023Innovative pultruded composite mast design for railway overhead line structurescitations
- 2022Surface Damage in Woven Carbon Composite Panels under Orthogonal and Inclined High-Velocity Impactscitations
- 2021Effect of interfacial fibre orientation and PPS veil density on delamination resistance of 5HS woven CFRP laminates under mode II loadingcitations
- 2021Mechanical properties of 3-D printed truss-like lattice biopolymer non-stochastic structures for sandwich panels with natural fibre composite skins
- 2021Influence of heat treatment-induced residual stress on residual fatigue life of railway axlescitations
- 2020Low-velocity impact behaviour of woven laminate plates with fire retardant resin
- 2020Technical pathways for distributed recycling of polymer composites for distributed manufacturing: Windshield wiper bladescitations
- 2020Delamination migration in CFRP laminates under mode I loadingcitations
- 2019Low-velocity impact behaviour of woven laminate plates with fire retardant resincitations
- 2019Mixed mode fatigue crack propagation behaviour of aluminium F357 alloy
- 2019Mechanical properties of 3-D printed truss-like lattice biopolymer non-stochastic structures for sandwich panels with natural fibre composite skinscitations
- 2018Mixed mode fatigue crack propagation behaviour of aluminium F357 alloycitations
- 2015Composite Material Design for Rail Vehicle Innovative Lightweight Components
- 2015Low Velocity Impact Response of Composite Panels for Aeronautical Applications
- 2015The impact of process parameters on mechanical properties of parts fabricated in PLA with an open-source 3-D printer
Places of action
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article
Mechanical properties of 3-D printed truss-like lattice biopolymer non-stochastic structures for sandwich panels with natural fibre composite skins
Abstract
International audience ; A full mechanical characterisation of three types of 3-D printed lattice cores was performed to evaluate the feasibility of using additive manufacturing (AM) of lightweight polymer-based sandwich panels for structural applications. Effects of the shape of three selected lattice structures on the compression, shear and bending strength has been experimentally investigated. The specimens tested were manufactured with an open source fused filament fabrication-based 3-D printer. These sandwich structures considered had skins made of polypropylene (PP)-flax bonded to the polylactic acid (PLA) lattice structure core using bi-component epoxy adhesive. The PP-flax and the PLA core structures were tested separately as well as bonded together to evaluate the structural performance as sandwich panels. The compression tests were carried out to assess the in-plane and out of plane stiffness and strength by selecting a representative number of cells. Shear band and plastic hinges were observed during the in-plane tests. The shear and three-point bending tests were performed according to the standard to ensure repeatability. The work has provided an insight into the failure modes of the different shapes, and the force-displacement history curves were linked to the progressive failure mechanisms experienced by the structures. Overall, the results of the three truss-like lattice biopolymer non-stochastic structures investigated have indicated that they are well suited to be used for potential impact applications because of their high-shear and out of the plane compression strength. These results demonstrate the feasibility of AM technology in manufacturing of lightweight polymer-based sandwich panels for potential structural uses.