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Magneto-fibrillation augments the breakdown strength of ferrofluid dielectrics
Journal of Applied Physics, 2020The present article reports experimental evidence with a theoretical formalism on the enhancement of the dielectric breakdown strength of ferrofluids by inducing magneto-fibrillation with an external magnetic field. The dielectric breakdown strengths of oil based ferrofluids are determined, and it is further shown that the strength enhances due to the ...
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Structure and dielectric breakdown strength of nano calcium carbonate/polypropylene composites
Journal of Applied Polymer Science, 2013ABSTRACTNanodielectrics, a 21st‐century phenomena, is envisioned to be the answer for material challenges in progressive high‐voltage technology. It is well known that the proper dispersion of nanoparticles plays a key role in improving the dielectric properties of a material, but to understand where changes in the properties of a material originate ...
Virtanen, S. +7 more
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Enhanced dielectric breakdown strength in Ni2O3 modified Al2O3-SiO2-TiO2 based dielectric ceramics
Journal of the European Ceramic Society, 2018Abstract Dielectric ceramics have raised particular interest since they enable pulsed-power systems to achieve high voltage gradient and compact miniaturization. In this work, x wt%Ni2O3 doped Al2O3-SiO2-TiO2 based dielectric ceramics were prepared using conventional solid-state reaction and the effects of Ni2O3 on the crystal structure, dielectric ...
Ye Huang +8 more
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, 2020
Polymer dielectric composites are of considerable interest for film capacitors that are widely used in modern electric devices and electric power systems.
Liang Sun +7 more
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Polymer dielectric composites are of considerable interest for film capacitors that are widely used in modern electric devices and electric power systems.
Liang Sun +7 more
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The Dielectric Breakdown Strength of Magnetic Fluids Based on Transformer Oil
Czechoslovak Journal of Physics, 2004The DC dielectric breakdown strength of magnetic fluids based on transformer oil TECHNOL US 4000, with different saturation magnetizations, was investigated in various orientations of external magnetic field. It was shown that the dielectric breakdown strength in H∥E is strongly influenced by the aggregation effects.
Peter Kopčanský +5 more
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IEEE Transactions on Dielectrics and Electrical Insulation, 2011
The aim of this research is to find a way to achieve the epoxy composites with high thermal conductivity and acceptable dielectric breakdown (BD) strength. A value 12.3 W/m·K is the highest thermal conductivity obtained for epoxy composite in Part I.
Zengbin Wang +4 more
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The aim of this research is to find a way to achieve the epoxy composites with high thermal conductivity and acceptable dielectric breakdown (BD) strength. A value 12.3 W/m·K is the highest thermal conductivity obtained for epoxy composite in Part I.
Zengbin Wang +4 more
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Frequency-independent breakdown strength of dielectric elastomers under AC stress
Applied Physics Letters, 2019Soft insulators are the main component used in dielectric elastomer actuators (DEAs). It follows that dielectric properties like permittivity and dielectric strength of the insulator can strongly influence the maximum dynamic actuation performance of DEA devices.
A. Iannarelli +2 more
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Dielectric breakdown strength of silicone gel under various environmental conditions
2005 IEEE Russia Power Tech, 2005Silicone gel belongs to the group of RTV-2 silicone rubbers, which are room-temperature-vulcanizable materials consisting of two components. The material combines the advantages of the electrical and chemical properties of silicones with the unique mechanical properties of gels. The attempt to use silicone gel as insulation material in long-term stable
G. Finis, A. Claudi, G. Malin
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Temperature-dependent dielectric breakdown strength of oil impregnated polypropylene foils
Materials Science and Engineering: B, 1998The influence of impregnating rapeseed oil on the dielectric breakdown behaviour of thin metallized polypropylene (PP) foils used for high power capacitors was investigated. With oil impregnation the dielectric breakdown strength of the PP foil increases strongly.
A Schneuwly +5 more
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