Mechanical and wear properties of 7075 Al reinforced with graphite particulate metal matrix composites: Preparation and evaluation

• Main Authors: Prabhakar, Pranav Kumar, Manuel, Joseph, Kaliappan, S., Patil, Pravin P., Mothilal, T., Ali, H. Mohammed
• Format: Conference Proceeding
• Language: English
• Subjects: Aluminum base alloys; Composite materials; Graphite; Liquid metals; Metal matrix composites; Microstructure; Particulate composites; Tensile strength; Weight reduction; Wettability
• ISSN: 0094-243X; 1551-7616
• DOI: 10.1063/5.0167686

Due to their low density, high strength, and superior structural stiffness, aluminium alloy metal matrix composites are widely employed in automotive, industrial, and aviation applications. The technique of foundry production is plagued by numerous technological issues. Having a consistent appearance there is a problem with the reinforcing distribution characteristics and composite material quality within the Matrix. In this study, a liquid metal matrix was used to integrate composite materials with a metal matrix comprised of 7075 Al graphite. Furthermore, the phase addition ranges from 6 to 12 percent, with 3 percent. For every mix, to improve wettability and dispersion, the amplification particles were heated to 2000°C before being spread in three phases E a spiral flow of molten Alloy 7075. An examination of the microstructure was conducted. This is done to verify uniform particle dispersion in the above-mentioned link, by taking samples from the centre of the casting. Abrasive characteristics, microhardness, and tensile qualities that has been prepared in accordance with phase guidelines. There has been evidence of a microstructure feature. Complex micro-Vickers’ hardness was discovered to be decreasing. In a hybrid, there is a greater amount of complementing content. Is the tensile strength of the collective also calculated? Increased distributed graphite content in alloy 7075 Al aided in increasing the strength of the material. Tensile strength of the joint; Synthetic graphite 7075 Al strength is lowered to 6%, but it will later increase.