| 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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Skordos, Alexandros A.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2024Fluorine and nitrogen doping of zinc oxide to enhance dielectric storage of PVDF based particulate compositescitations
- 2024Fluorine and nitrogen doping of zinc oxide to enhance dielectric storage of PVDF based particulate compositescitations
- 2024An evaluation of large diameter through-thickness metallic pins in compositescitations
- 2024Influence of monomer structure and catalyst concentration on topological transition and dynamic properties of dicarboxylic acid‐epoxy vitrimerscitations
- 2023Cure kinetics, glass transition advancement and chemo-rheological modelling of an epoxy vitrimer based on disulphide metathesiscitations
- 2023Online optimisation and active control of the cure process of thick composite laminatescitations
- 2022Insertion of large diameter through-thickness metallic pins in compositescitations
- 2020Functional nanocomposites for energy storage: chemistry and new horizonscitations
- 2012Cure kinetics, glass transition temperature development, and dielectric spectroscopy of a low temperature cure epoxy/amine systemcitations
- 2012RTM processing and electrical performance of carbon nanotube modified epoxy/fibre compositescitations
- 2012RTM processing and electrical performance of carbon nanotube modified epoxy/fibre compositescitations
- 2010Percolation threshold of carbon nanotubes filled unsaturated polyesterscitations
- 2009Monitoring Cure in Epoxies Containing Carbon Nanotubes with an Optical-Fiber Fresnel Refractometercitations
- 2009Dielectric monitoring of carbon nanotube network formation in curing thermosetting nanocompositescitations
- 2009Monitoring dispersion of carbon nanotubes in a thermosetting polyester resincitations
- 2008Thermomechanical analysis of a toughened thermosetting system.citations
- 2008Stochastic simulation of woven composites formingcitations
- 2007A simplified rate dependent model of forming and wrinkling of pre-impregnated woven compositescitations
- 2007Effect of tufting on the response of non crimp fabric composites.
- 2006Optimisation of Sheet Forming for Textile Composites using variable Peripheral Pressure.
- 2005Drape optimization in woven composites manufacture.
- 2004Inverse heat transfer for optimization and on-line thermal properties estimation in composites curing.citations
- 2002A novel strain sensor based on the campaniform sensillum of insects.citations
Places of action
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article
Dielectric monitoring of carbon nanotube network formation in curing thermosetting nanocomposites
Abstract
This paper focuses on monitoring of carbon nanotube (CNT) network development during the cure of unsaturated polyester nanocomposites by means of electrical impedance spectroscopy. A phenomenological model of the dielectric response is developed using equivalent circuit analysis. The model comprises two parallel RC elements connected in series, each of them giving rise to a semicircular arc in impedance complex plane plots. An established inverse modelling methodology is utilized for the estimation of the parameters of the corresponding equivalent circuit. This allows a quantification of the evolution of two separate processes corresponding to the two parallel RC elements. The high frequency process, which is attributed to CNT aggregates, shows a monotonic decrease in characteristic time during the cure. In contrast, the low frequency process, which corresponds to inter-aggregate phenomena, shows a more complex behaviour explained by the interplay between conductive network development and the cross-linking of the polymer.