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IJEMS Vol.12(4) [August 2005] >


Title: Development of low permittivity material using fly ash
Authors: Singh, Kamal
Quazi, Tanveer
Upadhyay, Shail
Sakharkar, Pramod
Issue Date: Aug-2005
Publisher: CSIR
IPC CodeG01R27/26
Abstract: Dielectric behaviour of fly ash, barium titanate and three composites of fly ash and barium titanate have been measured in the temperature range 30-200°C and frequency range 100 Hz –1 MHz. It is observed that dielectric constant of fly ash and composite is low as compared to barium titanate. Moreover, the dielectric constant of fly ash and composites is independent of temperature in the entire range of temperature measurement. It is found that the experimental values of dielectric constant of the composites are in agreement with theoretical value calculated using logarithmic mixing rule given by Linchtenecker for determination of effective dielectric constant of the composite.
Page(s): 345-350
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Source:IJEMS Vol.12(4) [August 2005]

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