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Enhancement of dielectric strength in nanocomposites
Nanotechnology, 2007In this paper, we report the dielectric breakdown properties of a nanocomposite, a potential electrical insulation material for cryogenic high voltage applications. The material is composed of a high molecular weight polyvinyl alcohol and nanosized in situ synthesized titanate particles. The dielectric breakdown strengths of the filled material samples,
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The electric strength of solid dielectrics
British Journal of Applied Physics, 1966It is nearly fifteen years since Whitehead published his comprehensive and authoritative book Dielectric Breakdown in Solid Insulation. At that time it was believed that each solid homogeneous dielectric possessed an intrinsic electric strength which was a physical constant of the substance, adequately accounted for by existing theories.
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The Dielectric Strength of an SF6 GAP
1978This contribution is intended to give a brief introduction, for the non-specialist, into the early stages of gas breakdown at moderate temperatures. One of the techniques for the determination of discharge parameters will be described and some examples of data obtained by means of this technique at the University of Manchester, Institute of Science and
T. H. Teich, W. S. Zaengl
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The Electric Strength of Dielectric Films
Proceedings of the Physical Society, 1948An attempt is made to verify the rise in electric strength predicted by Frohlich's theory as the thickness of the dielectric specimen approaches the electronic mean free path. The results obtained on a number of materials both crystalline and amorphous are given and discussed in relation to this theory.
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The Dielectric Strength of Benzene and Heptane
Journal of Applied Physics, 1939The dielectric strengths at 25°C of benzene and of heptane in a uniform electric field produced with a sphere gap and of heptane in a non-uniform field between concentric cylinders, were measured on the pure filtered liquids and with rigorous control of the electrode surface.
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Dielectric Strength of Organic Liquids
Nature, 1955WORK in this laboratory on the conductivity of hexane at high steady fields has shown that measurements can be made at field-strengths far in excess of those previously reported. For gaps of 25 and 150 microns, it was possible to measure the conductivity up to stresses of 1,500 kV./cm. and 1,150 kV./cm. respectively.
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A concept for the intrinsic dielectric strength of dielectric insulation materials
IEEE Transactions on Electrical Insulation, 1991Discusses the equations given in the original paper (see ibid., vol.22, p.573-89, 1987). For the binomial distribution an equation is given that is more accurate, because the two coefficients of the binomial are obtained from the first two terms of the expression's development. >
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