Mechanical Characteristics of Silicon Carbide and Palm Kernel Shell Ash-Reinforced Ultrasonic Hybrid-Assisted Cast Aluminium Matrix Composites

For various applications, the engineering sector needs high-strength, lightweight materials in bulk. Most automotive, aerospace and marine applications may be served by conventional metal matrix composites (MMCs—metal matrix reinforced with ceramic particles). Aluminium (Al) and its alloys are becoming well-recognised materials in automotive and electrical consumer products due to their low weight and suitable strength. Al MMCs are substantially more potent than typical Al alloys, but their flexibility is reduced since micron-sized ceramic reinforcements are included. The insertion of reinforcing particles could preserve Al matrix nanocomposites’ ductility. Metal matrix composites (MMCs) are gaining much attention because of their excellent mechanical qualities and different uses in high-tech sectors like the automotive and aerospace industries. In the meanwhile, adding ceramic nanoparticles to light metals like aluminium improves a variety of qualities. The aluminium alloy 7075 has been used as the matrix in this work, while SiC and palm kernel shell ash (PKSA) particles have been chosen as the reinforcing material. Using the ultrasonic aided stir casting process, Al 7075 metal matrix nanocomposites have been created with varying weight percentages of SiC and PKSA particles (bare, 2.5wt% SiC and 2.5 wt% PKSA, and 5wt% SiC and 5 wt% PKSA).