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Effect of nanofillers on the dielectric properties of epoxy nanocomposites

Effect of nanofillers on the dielectric properties of epoxy nanocomposites
Effect of nanofillers on the dielectric properties of epoxy nanocomposites
Epoxy resin is widely used in high voltage apparatus as insulation. Fillers are often added to epoxy resin to enhance its mechanical, thermal and chemical properties. The addition of fillers can deteriorate electrical performance. With the new development in nanotechnology, it has been widely anticipated that the combination of nanoparticles with traditional resin systems may create nanocomposite materials with enhanced electrical, thermal and mechanical properties. In the present paper we have
carried out a comparative study on dielectric properties, space charge and dielectric breakdown behavior of epoxy resin/nanocomposites with nano-fillers of SiO2 and Al2O3. The epoxy resin (LY556), commonly used in power apparatus was used to investigate the dielectric behavior of epoxy resin/nanocomposites with different filler concentrations. The epoxy resin/nanocomposite thin film samples were prepared and
tests were carried out to measure their dielectric permittivity and tan delta value in a frequency range of
1 Hz - 1 MHz. The space charge behaviors were also observed by using the pulse electroacoustic (PEA)
technique. In addition, traditional epoxy resin/microcomposites were also prepared and tested and the test
results were compared with those obtained from epoxy resin/nanocomposites.
2234-0912
93-107
Wang, Qi
ddfc62a2-708c-43b1-8eed-d68d4e87d96a
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Wang, Qi
ddfc62a2-708c-43b1-8eed-d68d4e87d96a
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819

Wang, Qi and Chen, George (2012) Effect of nanofillers on the dielectric properties of epoxy nanocomposites. Advances in Materials Research, 1 (1), 93-107.

Record type: Article

Abstract

Epoxy resin is widely used in high voltage apparatus as insulation. Fillers are often added to epoxy resin to enhance its mechanical, thermal and chemical properties. The addition of fillers can deteriorate electrical performance. With the new development in nanotechnology, it has been widely anticipated that the combination of nanoparticles with traditional resin systems may create nanocomposite materials with enhanced electrical, thermal and mechanical properties. In the present paper we have
carried out a comparative study on dielectric properties, space charge and dielectric breakdown behavior of epoxy resin/nanocomposites with nano-fillers of SiO2 and Al2O3. The epoxy resin (LY556), commonly used in power apparatus was used to investigate the dielectric behavior of epoxy resin/nanocomposites with different filler concentrations. The epoxy resin/nanocomposite thin film samples were prepared and
tests were carried out to measure their dielectric permittivity and tan delta value in a frequency range of
1 Hz - 1 MHz. The space charge behaviors were also observed by using the pulse electroacoustic (PEA)
technique. In addition, traditional epoxy resin/microcomposites were also prepared and tested and the test
results were compared with those obtained from epoxy resin/nanocomposites.

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Published date: March 2012
Organisations: EEE

Identifiers

Local EPrints ID: 336921
URI: http://eprints.soton.ac.uk/id/eprint/336921
ISSN: 2234-0912
PURE UUID: 3f5e0fbb-d063-4aea-a58a-e249314b5525

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Date deposited: 11 Apr 2012 14:33
Last modified: 01 Oct 2020 16:32

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