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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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Ladani, Raj B.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2023Bioinspired design optimization for pseudo-ductility in platelet fibre laminatescitations
- 2019Liquid metal synthesis of two-dimensional aluminium oxide platelets to reinforce epoxy compositescitations
- 2018Fracture and fatigue behaviour of epoxy nanocomposites containing 1-D and 2-D nanoscale carbon fillerscitations
- 2018Increasing the fatigue resistance of epoxy nanocomposites by aligning graphene nanoplateletscitations
- 2017Aligning carbon nanofibres in glass-fibre/epoxy composites to improve interlaminar toughness and crack-detection capabilitycitations
- 2017Porous PDMS/CNFS composites for stretchable strain sensors
- 2017Alignment of nano and micron diameter carbon fillers in epoxy via electric field
- 2017Enhancing fatigue resistance and damage characterisation in adhesively-bonded composite joints by carbon nanofibrescitations
- 2017Ductility of platelet composites inspired by nacre design
- 2017Using carbon nanofibre Sensors for in-situ detection and monitoring of disbonds in bonded composite jointscitations
- 2017Novel electrically conductive porous PDMS/carbon nanofiber composites for deformable strain sensors and conductorscitations
- 2016A novel route for tethering graphene with iron oxide and its magnetic field alignment in polymer nanocompositescitations
- 2016Multifunctional properties of epoxy nanocomposites reinforced by aligned nanoscale carboncitations
- 2015Disbond monitoring of adhesive joints reinforced with carbon nanofibres
- 2015Aligning multilayer graphene flakes with an external electric field to improve multifunctional properties of epoxy nanocompositescitations
- 2015Epoxy nanocomposites with aligned carbon nanofillers by external electric fields
- 2015Improving the toughness and electrical conductivity of epoxy nanocomposites by using aligned carbon nanofibrescitations
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document
Alignment of nano and micron diameter carbon fillers in epoxy via electric field
Abstract
<p>This paper presents an experimental investigation on the in-situ alignment of carbon fillers spanning dual length scales via the application of an external electric field to improve the electrical and mechanical properties of filled epoxy polymers. When subjecting the fillers to an applied alternating current electric field within the un-cured, liquid epoxy resin, it was found that the carbon nanofibers (CNFs) and micron diameter, short, carbon fibres (SCFs) would align along the field direction. These epoxy composites containing the nano and micron diameter scale fibrous fillers exposed to an applied electric field exhibited an increased mode I fracture toughness, G<sub>Ic</sub>, and DC electrical conductivity along the direction of the field. In comparison to the epoxy composites containing the randomly oriented fillers, the alignment of the SCFs and CNFs, when used separately, resulted in an improvements in the G<sub>Ic</sub> value of 30% and 27%, respectively. However, the multi-scale reinforced epoxy composites, containing the aligned fillers, exhibited a 16-fold increase in the the G<sub>Ic</sub> compared to the unmodified epoxy and a 39% improvement over the composite containing the randomly oriented fillers. Several key toughening mechanisms through fractographic analysis were identified. The study reveals that aligning the carbon fillers ranging from the nano and the micron length scale offers a promising route in creating multi-scale reinforced composites with greatly enhanced properties.</p>