Journal of Polymer & Composites Original Research Special issue
Red Mud Particles' Impact on the Mechanical Properties and Microstructure of AA6005 Composites for Brake Rotor Applications
Abstract
There is increasing focus on utilizing industrial waste as reinforcement in metal matrix composites, driven by the demand for eco-friendly and cost-effective materials in automotive applications. With an emphasis on their possible use in braking rotors, this study examines how red mud particles affect the microstructure and mechanical characteristics of AA6005 aluminum alloy composites. Red mud, a byproduct of the Bayer process, is a good low-cost ceramic reinforcement because it is high in silica, alumina, and iron oxides. The stir casting method was used to create the composites, which contained different weight percentages of red mud particles (2%, 4%, 6%, and 8%). A consistent distribution of red mud particles and notable grain refinement were found by microstructural analysis, which enhanced the material's hardness and resistance to wear. Although there was a slight decrease in ductility at higher reinforcement levels, mechanical tests showed that the hardness and tensile strength increased as the red mud content increased. Significant improvement was seen in the tribological performance under dry sliding circumstances, indicating improved compatibility for high-friction applications like brake rotors. The study's overall findings highlight the potential of red mud-reinforced AA6005 composites as an effective and environmentally friendly substitute material for vehicle braking systems.
Keywords
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