Indian Journal of Engineering & Materials Sciences

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The mechanical characteristics like tensile strength and fracture toughness of aluminium-based functionally graded material (FGM) have been studied in the present work and correlated with the variation in the quantity of reinforcing particles. Aluminium based FGM with various compositions of reinforcing particles Al2O3 has been produced in the centrifugal casting set up rotating at a constant speed. The composition of reinforcing particles Al2O3 has varied from 3.0 to 7.5 Vol. %. ASTM standard has followed to prepare the samples for mechanical testing i.e. tensile and 3-point bend testing. Tensile strength and fracture toughness were calculated on each sample to study the deformation behaviour of Al alloy and FGM samples. A significant enhancement in the values of tensile and fracture measuring parameters has reported with an increase in % vol. of Al2O3 particles.

Keywords

Matrix Composite, Functionally Graded Materials, Scanning Electron Microscopy, Fracture Toughness, Tensile Strength.
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