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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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Vryonis, Orestis
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024Impact of particle thermal treatment on dielectric properties of core-shell filled epoxy nano-composites
- 2024Development, dielectric response, and functionality of ZnTiO 3 /BaTiO 3 /epoxy resin hybrid nanocompositescitations
- 2023Thermo-oxidative aging effect on charge transport in polypropylene/ultra-high molecular weight polyethylene nanocompositescitations
- 2022Flexible polymer-based nanodielectrics reinforced with electrospun composite nanofibers for capacitive energy storagecitations
- 2022Numerical simulation of lightning strike damage to wind turbine blades and validation against conducted current test datacitations
- 2022Dynamic mechanical response in epoxy nanocomposites incorporating various nano-silica architectures
- 2022Dielectric response in epoxy nanocomposites incorporating various nano-silica architecturescitations
- 2022Molecular dynamics of epoxy nanocomposites filled with core–shell and hollow nanosilica architecturescitations
- 2021Stoichiometry and molecular dynamics of anhydride-cured epoxy resin incorporating octa-glycidyl POSS Co-Monomercitations
- 2021Lightning Protection of Wind Turbine Blades – How Supersizing Has Created New Challenges for Nanodielectrics Researchcitations
- 2020Effect of surfactant molecular structure on the electrical and thermal performance of epoxy/functionalized‐graphene nanocompositescitations
- 2019Structure/property relations of graphene oxide/epoxy nanocomposites: tailoring the particle surface chemistry for enhanced electrical and thermal performance
- 2019Understanding the cross-linking reactions in highly oxidized graphene/epoxy nanocomposite systemscitations
- 2019Structural and chemical comparison between moderately oxygenated and edge oxygenated graphene: mechanical, electrical and thermal performance of the epoxy nanocompositescitations
- 2018On the effect of solvent method processing on epoxy resin systemscitations
- 2018On the effect of solvent method processing on epoxy resin systems: a molecular dynamics studycitations
- 2017The Influence of Graphene Oxide on the electrical conduction in unidirectional CFRP laminates for wind turbine blade applications
- 2017Reducing the electrical anisotropy in unidirectional CFRP materials for wind turbine blade applications
- 2017Reducing the electrical anisotropy in unidirectional CFRP materials for wind turbine blade applications
Places of action
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conferencepaper
Dielectric response in epoxy nanocomposites incorporating various nano-silica architectures
Abstract
The molecular dynamics and physical mechanisms in dielectric nanocomposites are key to develop materials with tailored properties. The effect of the architecture of nanoparticles on the bulk properties is one such factor which needs to be studied and understood. The aim of this study is to investigate the effect of different core-shell structures on the bulk properties of the epoxy nanocomposites. TEM images confirm the successful synthesis of the core-shell and hollow nanoparticles. Epoxy nanocomposites filled with three types of nano-silica architectures, namely core (SiO2), core-shell (SiO2-SiO2) and hollow (h-SiO2) were prepared. They were characterised via broadband dielectric spectroscopy as a function of frequency in the range of 10-1-105 Hz and a temperature range of -160°C - 160°C. Besides well known relaxations, an additional so called SiOH relaxation is observed. Its intensity is proportional to the amorphous content of the nanoparticles. A distinct overlap between the epoxy β relaxation and SiOH relaxation is also observed, significantly affecting the intensity of the β relaxation. Finally, due to the presence of additional core-shell interface in case of SiO2-SiO2 filled nanocomposite two interfacial polarization peaks are observed. These preliminary findings illustrate noticeable effect of the architecture (additional interfacial polarization peak) and crystallinity (SiOH relaxation) of the nanoparticles on the dielectric behaviour of the nanocomposite.