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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
Dynamic mechanical response in epoxy nanocomposites incorporating various nano-silica architectures
Abstract
This paper is a continuation of the previous work where the dielectric response (BDS) of epoxy nanocomposites filled with three types of nano-silica architectures, namely core (SiO 2 ), core-shell (SiO 2 )-(SiO 2 ) and hollow (h-SiO 2 ). was investigated. These samples were filled based on their respective nanoparticle surface area, keeping it theoretically constant across all samples. The aim is to better understand the molecular dynamics and physical mechanisms in dielectric nanocomposites to contribute towards developing materials with tailored properties. The samples were characterised based on their dynamic mechanical behaviour (DMA) and their T g was measured by DSC. Unlike BDS, there is no additional relaxation peak observed in DMA thermographs besides the conventionally known α and β. The T g of the samples increases as the size of the nanoparticles decreases. Analysis of the height, width and intensity of the tan δ of α relaxation peak suggests reduction in the localised modes of motion as the size of the nanoparticles reveals a internally plasticised nanocomposite system. The T g values obtained from DSC do not vary significantly across the samples. These key findings are discussed in details and demonstrate by providing further evidence that the additional relaxation observed in BDS measurements is potentially due to the presence of hydrogen bond interactions between the polymer matrix and the fillers. However, no significant impact on the viscoelastic-mechanical properties of the nanocomposites is evident.