EFFECTS OF PARTICULATE ADDITIVES ON THE MECHANICAL PROPERTIES OF ALUMINUM ALLOYS PRODUCED VIA SPIN CASTING

Industrial development is growing at a very high rate and there is need for new materials. Spin casting has emerged as one of the best casting techniques in composite production. In this study, the effect of particulate addictives on the mechanical properties of aluminium alloy produced via spin casting was investigated. The materials used for the composites production were Al 6063, pulverized laterite and titanium dioxide (ТiO2). From the results, it was discovered that the reinforcement were uniformly distributed within the Al 6063 matrix. Composition 3 has the highest hardness value of 75.7 HRC, with 8 wt% of titanium dioxide (TiO2) to 12 wt% of laterite. As from composition 2, increase in titanium dioxide and reduction in laterite led to reduction in ultimate tensile strength as a result of reduction in dislocations barrier in the microstructure.