| 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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Lewin, Pl
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2022Numerical simulation of lightning strike damage to wind turbine blades and validation against conducted current test datacitations
- 2021Estimation of Contact Resistivity in Lightning Protection Equipotential Bonding Joints of Wind Turbine Bladescitations
- 2021Investigating the Physiochemical Effects of Verdigris Contamination found on a Polymeric Cable Sealing End
- 2020Effect of surfactant molecular structure on the electrical and thermal performance of epoxy/functionalized‐graphene nanocompositescitations
- 2019Effect of temperature on the dielectric properties of hydrofluoroethers and fluorinated ketonecitations
- 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
- 2018Measuring and simulating partial discharge activity in a spherical cavity during electrical ageing processescitations
- 2016Aging mechanisms of X2 metallized film capacitors in a high temperature and humidity environmentcitations
- 2016Dielectric properties of environmental friendly cooling fluidscitations
- 2015Electro-chemical degradation of thin film X2 safety capacitors
- 2015The Effect of Resin Stoichiometry and Nanoparticle Addition on Epoxy/Silica Nanodielectrics
- 2014Passivators, corrosive sulphur and surface chemistry. Tools for the investigation of effective protection
- 2014Numerical modelling of thermal decomposition processes and associated damage in carbon fibre compositescitations
- 2014Exploratory dielectric study involving ultra-low content of Si-C-Al in epoxy
- 2014A Comparison of Electrical Breakdown Characteristics of Composite Materials Prepared With Unmodified Micro and Nano Scale Barium Titanate
- 2013Degradation Behaviour of Solid Insulation Under Cryogenic Conditions
- 2013Applications of Liquid Crystals in Intelligent Insulation
- 2013Impact of Corrosive Sulfur in Transformer Insulation Paper
- 2013Modelling of partial discharge pulses in high voltage cable insulation using finite element analysis software
- 2013Modelling PD in cavities and PD-based degradation mechanisms
- 2012Paper & power: modifying electrical insulation paper
- 2012Two Dimensional Numerical Model to Predict the Thermal-Chemical Degradation of a piece of Carbon Fibre Composite (CFC) due to Laser Ablation
- 2012Applications of Liquid Crystals in Intelligent Insulation
- 2011The thermal and electrical properties of nano-silicon dioxide filled epoxy systems for use in high voltage insulation
- 2011Transport properties and current flow patterns in homogeneous strongly anisotropic materials
- 2011An investigation into improving the breakdown strength and thermal conduction of an epoxy system using boron nitride
- 2011Effects of nanoparticle and stoichiometry on properties of an epoxy system
- 2011Smart Materials as Intelligent Insulation
- 2011Effect of Cross-Linking on the Electrical Properties of LDPE and its Lightning Impulse Ageing Characteristics
- 2001Dynamic AC surface discharge characteristics of PMMA and LDPEcitations
Places of action
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conferencepaper
Effects of nanoparticle and stoichiometry on properties of an epoxy system
Abstract
Epoxy-based systems are used widely as dielectrics in electrical applications, especially under high temperature conditions. The chosen stoichiometry is important in determining the nature of the network that forms and hence the physical properties of the final system; a stoichiometric formulation with the optimal chemical balance between reactants will introduce good performances. However, addition of nanoparticles with large interfacial areas into epoxy systems may introduce additional chemical reactions between moieties on nanoparticle surfaces and reactants which may lead to chemical unbalance, and thus deteriorate the performance of the final nanocomposite system. This study set out to investigate the effects of stoichiometry and the introduction of nano-silica (Nanopox) on the thermal and electrical properties of an epoxy system, based on a diglycidyl ether of bisphenol-A (DGEBA) type resin, which was cured using an anhydride-based hardener and coupled with a tertiary amine accelerator. The properties considered include the glass transition temperature (Tg), electric breakdown and dielectric response. Based on investigations of the effects of fillers and stoichiometry, adjustments to the ratio of resin to hardener to accelerator have been conducted in an effort to achieve an appropriate compensation for the system.