Abstract
ABSTRACT This paper depicts the mechanical behaviour of new class of multi-phase composites consisting of glass fibre-reinforced polyester composite filled with Al2O3 particles, Glass fibre-reinforced polyester composites was prepared by incorporating alumina particle at three different filler contents viz. 1 3 and 6%, and the mechanical properties of these composites are evaluated. The mechanical properties such as impact energy and hardness of the glass fibre-reinforced polyester composite was improved by adding alumina particles but increasing the percentage of filler content could be seen that there was reduction of impact energy, but increasing of hardness value. The macroscopic fracture surfaces of tensile specimens of all types of composites are studied briefly, However, the tensile strength and modulus of the Al2O3-filled glass fibre polyester composite was slightly lower than that of bare glass fibre-reinforced polyester composite, because of the tensile properties are more sensitive for how particles presented as network in the matrix.
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