Abstract
A composite material, which are stronger, lighter, or less expensive when compared to traditional materials are preferred for many applications. This work deals with development and testing of glass fiber composite with epoxy and different filler material, which would be suitable and economical for applications demanding low weight to strength ratio and high thermal resistance such as handle cover of pressure cooker. Nine samples of glass fiber reinforced epoxy composites was manufactured by hand lay method, with varying concentration of fillers namely aluminum oxide (Al2O3), magnesium hydroxide (Mg(OH)2), silicon carbide (SiC), and hematite powder(Fe2O3). The experimental testing of all these samples was carried out to determine thermal conductivity, thermal expansion coefficient, density and ultimate tensile strength. It was seen that Al2O3 and Mg(OH)2 filled composites shows low thermal conductivities. Also, composites filled by SiC particles revealed low thermal expansion coefficient as compared with others. Based on these results, suitable composition was selected to fabricate pressure cooker handle cover. The simulation result of handle cover with selected composite showed significant improvement as compared to standard material. Lower weight and high thermal strength of this composite can be utilized in various fields of applications.
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