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Dielectric Properties of Pineapple Leaf Fiber Reinforced Epoxy Based Composites

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Abstract:

The present study investigates the dielectric constant, loss factor and dissipation factor of pineapple leaf fiber reinforced epoxy composites as in function of fiber loading, fiber surface modification and frequency. The dielectric properties of the composites were measured using HP 16451 as the dielectric test fixture and was carried out on pineapple leaf fiber reinforced epoxy composites with varying fiber loading (5wt%, 10wt%, 15wt%, and 20wt%) and fiber subjected to sodium hydroxide treatment. It was observed that the dielectric properties of these composites were influenced by fiber loading and sodium hydroxide treatment. The dielectric constant increases with increase of fiber concentration and decrease with the increase of frequency in the case of all composites. It was also observed that the increase of dielectric constant with fiber loading was more significant at low frequency. Due to a reduction in the hydrophilic nature of pineapple leaf fiber brought about by sodium hydroxide treatment the dielectric properties of the composites was less than that of the untreated ones.

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Periodical:

Key Engineering Materials (Volume 730)

Pages:

42-47

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.730.42

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Online since:

February 2017

Authors:

Elammaran Jayamani*, Kok Heng Soon, Muhammad Khusairy bin Bakri

Keywords:

Alkaline Treatment, Composites, Dielectric Constant, Dissipation Factor, Natural Fiber

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* - Corresponding Author

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