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Title: Space charge behavior in Epoxy laminates under high constant electric field.
Authors: Holé, Stéphane
Dissado, Len A.
Ajour, Mohammed Nasser
Fothergill, John C.
First Published: 21-Aug-2005
Publisher: Institute of Physics
Citation: Journal of Physics D (Applied Physics), 2005, 38 16), pp. 2890-2898.
Abstract: The development of space charge in insulating materials is one of the main causes of their electrical ageing. The pulsed electro-acoustic method is often used to determine space charge distribution, but the signal analysis in the case of laminate structures is much more complex to analyse. In this paper the authors describe and use a simulated signal in order to study laminates made of epoxy resin and fibre mat. The relatively large conductivity of the fibres compared with that of the resin seems to produce a rapid charge dissociation and recombination in the fibres. Under voltage the presence of fibres close to an electrode seems to promote charge injection.
DOI Link: 10.1088/0022-3727/38/16/022
ISSN: 0022-3727
Type: Article
Rights: This is an author-created, un-copyedited version of an article accepted for publication in Journal of Physics D (Applied Physics), 2005, 38 (16), pp. 2890-2898. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The definitive publisher authenticated version is available online at Doi: 10.1088/0022-3727/38/16/022
Appears in Collections:Published Articles, Dept. of Engineering

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