Abstract
Minerals fillers such as Magnesium Oxide (MgO), Alumina Trihydrate (ATH), Calcium Carbonate (CaCo3), and Silica (SiO2) were used to produce epoxy composite for high and medium voltage in electrical application. Effects of types and percentage weight of filler on flashover voltage properties of epoxy resin were determined. Cylindrical rod epoxy samples with different lengths (10, 20, and 30mm) and filler types have been prepared, these fillers with 30% percentage loading of epoxy samples by weight. Flashover voltage of composite material was measured under various environmental conditions, to check the accuracy the test was carried out for five times on each sample under the same condition. Results showed that flashover voltage of composite improved with epoxy/ATH filler at all lengths and conditions, also flashover voltage for samples in dry condition is higher than samples with other conditions at all filler and lengths.
Highlights
Inorganic fillers in composites have become popular researches due to low cost and local availability
The mentioned filler Magnesium Oxide (MgO), Alumina Trihydrate (ATH), Calcium Carbonate (CaCo3), and Silica (SiO2) were used in this study to enhance flashover voltage properties, this study aims to investigate the effects of filler loading and type on the flashover voltage properties of epoxy resin composites
The Effect of various filler types, and given lengths (10, 20, and 30mm) on the flashover voltage performance with epoxy sample under dry condition is represented in figure
Summary
Inorganic fillers in composites have become popular researches due to low cost and local availability. These fillers improve the mechanical, thermal and electrical properties of composites. Many researchers have used fillers to produce low-cost composites materials for various applications [1–3]. Magnesium Oxide (MgO), Alumina Trihydrate (ATH), Calcium Carbonate (CaCo3), and Silica (SiO2) are accepted fillers for electrical applications because of their high insulating properties. Fillers are widely used as a reinforcement material to improve the mechanical, electrical and overall properties such as stiffness, dielectric strength fire retardant and to prevent electrical discharge cause by void [4-6], these fillers were added to epoxy to increase the insulation's resistance [7-8]. Http://www.ijetmr.com©International Journal of Engineering Technologies and Management Research [50]
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