Journal Article

Mechanical and wear properties of friction stir processing AA6082/SiCnp aluminium matrix composites

Balaji, Aryan, Thota, Rahul, Shareef, Waseem, Naveen, G., Anitha Lakshmi, A

2026

Overview

The present research will focus on the properties of mechanical and wear of AA6082 matrix metal composites reinforced with SiCNP nanoparticles through the FSP technique. The fiber reinforcement particle (FSP) technique represents a sophisticated approach that facilitates uniform distribution of reinforcing particles within the metal, thereby enhancing performance. The current study investigated an uncommon technique in metal matrix composites: the impact of FSP process parameters, specifically the tool rotation speed, movement speed, and nanoparticle concentration, on the generated composites. This demonstrated how the composite materials behaved mechanically and provided accurate examination of the materials’ minute features. In order to determine the material’s wear resistance in practice, they used a volume loss rate and a specified wear coefficient. The microscopic investigation revealed that the grains in the aluminum alloy matrix were tiny and evenly dispersed alongside the silicon carbide nanoparticles, indicating reinforcement. They used established methodologies for estimating the mechanical properties of the materials, namely tensile strength and yield values, as well as ductility. The physical properties of the AA6082/SiC composites outperformed those of the unreinforced Aluminum alloy. The key reason for increasing the mechanical properties was the reinforcement with SiC particles and the fabrication of finer grains using FSP. Sliding wear tests were also conducted. The smaller, more durable SiC particles in the FSP composites reduced friction-induced wear and outperformed the original alloy in terms of wear resistance. The procedures were additionally assessed for several wear behaviors such as grating, binding, and shearing off.

• Publisher: IOP Publishing
• Subject: Aluminum alloys / Aluminum base alloys / Aluminum matrix composites / Composite materials / Fiber reinforcement / Friction stir processing / Frictional wear / Grains / Mechanical properties / Metal matrix composites / Nanoparticles / Physical properties / Process parameters / Shearing / Silicon carbide / Sliding friction / Tensile strength / Wear rate / Wear resistance / Wear tests