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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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Chaudhary, Sunny
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Space charge accumulation and DC breakdown strength of epoxy nanocomposites
- 2024Impact of particle thermal treatment on dielectric properties of core-shell filled epoxy nano-composites
- 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
- 2021Assessment of the chemical and electrical properties of nano structured polyethylene with antioxidant-grafted nanosilica
- 2021Effect of nanoparticle volume and surface characteristics on the bulk properties of epoxy nanocompositecitations
- 2021Investigation of the functional network modifier loading on the stoichiometric ratio of epoxy resins and their dielectric propertiescitations
- 2021Effect of shell-thickness on the dielectric properties of TiO2/SiO2 core-shell nanoparticles filled epoxy nanocompositescitations
- 2020Effect of core-shell particles on the dielectric properties of epoxy nanocompositescitations
Places of action
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conferencepaper
Effect of core-shell particles on the dielectric properties of epoxy nanocomposites
Abstract
The dielectric properties of epoxy-based nanocomposites containing core-shell nanoparticles in this case TiO/SiO and AlO 3 /SiO are investigated to examine the effect of the interphase layer. Core-shell nanoparticle were synthesised and epoxy nanocomposites were prepared for characterisation by dielectric spectroscopy (0.1 Hz - 1 MHz) and the glass transition temperature measured. The results were analysed demonstrating dielectric properties which appear counter to some generally assumed hypotheses. For example: Unlike non-core-shell nanoparticles in case of Al2O3/SiO2 core-shell nanoparticles for 1 wt. % a significant drop in the real permittivity is reported. This is attributed to the hypothesised changes in the particle interphase layer. It is also reported that as the filler concentration increased the glass transition temperature reduces. As the glass transition temperature is mainly dependent on the polymer matrix it is postulated that this could be a result of interference of the core-shell nanoparticle with the mobility dynamics and changes in the free volume. The effect of interactions between the core and shell of the nanoparticle and changes in the concentration of localised energy states are also discussed in the paper.