Evaluation of mechanical and thermal properties of Al 7475–CSA–graphite hybrid metal matrix composites

Aluminum is used in a wide range of industries, including the automotive, transportation, aerospace, minerals, and marine sectors, due to its high strength, stiffness, and wear resistance. It improves its qualities by including ceramic-fired bricks, fly ash, silicon carbide, tungsten carbide, and bo...

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Bibliographic Details
Published in:International journal on interactive design and manufacturing 2024-07, Vol.18 (5), p.2983-2990
Main Authors: Reddy, K. Sunil Kumar, Kannan, M., Karthikeyan, R., Agrawal, Manoj Kumar, Kumar, S.
Format: Article
Language:English
Subjects:
Aircraft
Alloys
Aluminum composites
Aluminum matrix composites
Boron carbide
CAE) and Design
Composite materials
Computer-Aided Engineering (CAD
Corrosion resistance
Electronics and Microelectronics
Engineering
Engineering Design
Fly ash
Graphite
Heat conductivity
Industrial Design
Instrumentation
Load
Manufacturing
Mechanical Engineering
Metal matrix composites
Original Paper
Process parameters
Silicon carbide
Solid lubricants
Temperature
Tensile strength
Thermal conductivity
Thermal expansion
Thermodynamic properties
Tungsten carbide
Wear resistance
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Summary:Aluminum is used in a wide range of industries, including the automotive, transportation, aerospace, minerals, and marine sectors, due to its high strength, stiffness, and wear resistance. It improves its qualities by including ceramic-fired bricks, fly ash, silicon carbide, tungsten carbide, and boron carbide as reinforcements. Stir casting is the most common and cost-effective method for processing and creating metal matrix composites, depending on the processing parameters, reinforcement, and matrix choices. All through the mix projecting interaction, a grid of aluminum 7475 is built up with changing extents of graphite (3, 6, 9, and 12 wt%) and coconut shell ash (10 wt%). This study found that stir-cast aluminum matrix cast composites have improved properties in terms of hardness and tensile strength. It also shows that when coconut shell ash powder and graphite are used as reinforcements, the AMMCs' coefficient of thermal expansion and thermal conductivity decrease. AMMCs' SEM images demonstrate the successful integration of reinforcements into the Al 7475 matrix.
ISSN:1955-2513
1955-2505
DOI:10.1007/s12008-023-01401-w