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Title: Evaluation of dielectric behavior of bio-waste reinforced polymer composite
Authors: Mishra, S C
Aireddy, H
Keywords: Composite materials
Orientation polarization
Dielectric loss
Dielectric relaxation
epoxy resin
Issue Date: 2011
Publisher: SAGE Publications
Citation: Journal of Reinforced Plastics, 30(2) 134–141
Abstract: Coir dust reinforced polymer composites are prepared with epoxy resin as the matrix. The dielectric parameters (relative permittivity "0, dielectric loss "00), AC conductivity , and resistivity  of pure epoxy resin and composites with different weight percent of coir dust were obtained in a frequency range of 100 Hz to 1 MHz, and temperature range of 30–150C. The experimental results show that "0, "00, and  are increased and  is decreased with the addition of coir dust in epoxy resin. It is also observed that the dielectrical properties of the composites showed a strong dependence on frequency and temperature. The "0 and "00 increases with increasing temperature because of greater movement of the dipole molecular chains and decreases with increasing frequency due to the orientation polarization. The conductivity of the composite is increased, and the resistivity of composite is decreased with increasing frequency.
Description: Copyright belongs to Sage Publications
URI: 10.1177/0731684410388442
Appears in Collections:Journal Articles

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