An Investigation of Mechanical and Thermal Properties of Reinforced Sisal-Glass Fibers Epoxy Hybrid Composites

In this paper, fabrication of hybrid composites reinforced with sisal and glass fibers is treated form and are mixed in the proposition 1:1 in order to reinforce in epoxy resign. Mechanical properties viz., tensile, compressive and hardness are studied to assess the influence of fiber lengths such as 10,20 and 30 mm. The variations of aforementioned properties on hybrid composites with different fiber lengths have been studied. Thermal properties such as Thermo Gravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC) are studied to investigate the influence of change in fiber length on treated and untreated hybrid composites. Significant improvement in tensile, hardness and compressive strengths of sisal/glass hybrid composites has been observed by the alkali treatments. In TGA investigation 3°C rise in decomposition temperature, 4°Crise for glass transition temperature is considered for DSC analysis.