The vortex technique was used in this investigation to create A356.2 Al/Rice husk ash
(RHA) metal matrix composites (MMCs). The composites were made using various weight
percentages of reinforcement. Microstructural characterisation is done using a scanning
electron microscope with an energy dispersive X-ray analyzer. Properties such as ultimate
tensile strength, density, and hardness were examined. The microhardness findings showed
that the matrix material near the rice husk ash particle had a greater hardness. Particles of
rice husk ash are added to composites to increase certain of their mechanical qualities while
decreasing their density.