The unabated thirst for fuel-saving, cost-efficient, attractive structural and lubricating properties of the materials have made the researchers focus on the new generation of aluminum matrix composites for automotive and aerospace application. Aluminum-based composites with hBN particle reinforcement could improve the tribological properties which reduce the wear rate of the components. The present study focused on the fabrication of a novel self-lubricating Al-SiC-hBN hybrid composites and its wear properties with unreinforced aluminium alloy. Structural and microstructural changes of the as-cast composites were examined by X-Ray diffraction and scanning electron microscope. Microstructural analysis reveals that uniform distribution of the reinforcing phase results in an increase in the density of the as-cast sample from 2.547 g/cm³ to 2.713 g/cm³. The pin-on-disc method is used to study the resistance to friction of the as-cast composite (Al-5 wt.% hBN-4 wt.% SiC) and found that, hBN particulates helps to minimize the wear loss at ambient temperature.

对材料的节油，成本效益，有吸引力的结构和润滑性能的不懈追求，使研究人员专注于新一代用于汽车和航空航天应用的铝基复合材料。具有hBN颗粒增强的铝基复合材料可改善摩擦性能，从而降低组件的磨损率。本研究的重点是新型自润滑Al-SiC-hBN杂化复合材料的制备及其与非增强铝合金的磨损性能。通过X射线衍射和扫描电子显微镜检查铸态复合材料的结构和微观结构变化。微观结构分析表明，强化相的均匀分布导致铸态样品的密度从2.547 g / cm增加³至2.713 g / cm ³。针盘法用于研究铸态复合材料（Al-5 wt。％hBN-4 wt。％SiC）的摩擦阻力，发现hBN颗粒有助于最大程度地减少环境磨损温度。