Journal of Electrical Engineering : Volume 20 / 2020 - Edition : 2

ELECTRICAL PROPERTIES OF ALKALI TREATED ACACIA AND CACTUS FIBER REINFORCED HYBRID POLYESTER COMPOSITES

Authors:
K SAKTHIVADIVEL
P GOVINDASAMY
Domain:
building electrification
Abstract:
The dielectric properties of alkali in the treated and untreated Acacia and Cactus fiber reinforced hybrid unsaturated polyester composites which are fabricated using hand layup technique are studied in different frequencies (3, 4, 5 and 6 Hz). The dielectric constant, dissipation factor and loss factor decrease with increase in log frequency. The depreciation in above mentioned property was high in alkali treated (Sodium Hydroxide) fiber composite as the impurities were removed on fiber surface as well as reduction in moisture absorption and interfacial bonding between the fiber and matrix were improved. The dielectric constant of hybrid composite decreased compared to other composites. The electrical conductivity was measured at room temperature which increased with an increase in the frequencies. As the electrical conductivity is low in these fiber composites, it can be suggested to use as insulation material in industries. Finally, the comparative study of dielectric properties for the treated and untreated Acacia and Cactus fiber composite and its hybrid composite were experimented
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