Because of different properties like low density, better corrosion resistance, high abrasion and wear resistance, high thermal conductivity, high specific modulus aluminium metal matrix composites are applied in various fields such as aeronautical, automobile and in marine fields.

matrix is aluminium, magnesium, titanium and their alloys. Aluminium metal matrix composites (AMMC) are. the composites in which aluminium is used as the matrix and. several reinforced materials are embedded into the matrix.

Aluminium alloy-based metal matrix composites (AMMCs) have been by now established themselves as a suitable wear resistant material especially for sliding wear applications. It is found that there are a number of contributing factors for the resulting wear and all are not necessarily derogatory in nature.

This process is much finer and typically Nano-sized. Aluminum MMCs give a customer the advantage of Aluminum’s lightweight characteristics and stability, and the enhanced wear resistance of ceramic.

Aluminium alloys are widely used in the fields of electric module packaging, electronic technology, automotive body structure, wind and solar energy management, due to the advantages of high specific strength, high processability, predominantly anti-erosion, increased conductivity, eco-friendly nature and …

Aluminum Characteristics

• Non-corrosive.
• Easily machined and cast.
• Lightweight yet durable.
• Non-magnetic and non-sparking.
• Good heat and electrical conductor.

MMCs are made by dispersing a reinforcing material into a metal matrix. The reinforcement surface can be coated to prevent a chemical reaction with the matrix. For example, carbon fibers are commonly used in aluminium matrix to synthesize composites showing low density and high strength.

A composite material is a combination of two materials with different physical and chemical properties. When they are combined they create a material which is specialised to do a certain job, for instance to become stronger, lighter or resistant to electricity.

Metal matrix composites (MMCs) are a group of materials (such as metals, alloys or intermetallic compounds) incorporated with various reinforcing phases, such as particulates, whiskers or continuous fibres.

Both alloys and composites are a mixture of different elements. The primary difference between alloys and composites is in the compositions of the two materials. An alloy must have a minimum of one metal in its composition while composites don’t have any metal components.

Aluminium matrix composites (AMCs) refer to the class of light weight high performance aluminium centric material systems. The reinforcement in AMCs could be in the form of continuous/discontinuous fibres, whisker or particulates, in volume fractions ranging from a few percent to 70%.

The reinforcement and metallic matrix are required to be chemically distinct to call as metal matrix composite (MMC). The reinforcement particles are mechanically bonded to the metallic matrix in which they are embedded. If MMCs are produced using liquid metallurgy routes such as stir casting, squeeze casting etc.

Aluminium metal matrix composites are gaining widespread acceptance for automobile, aerospace, agriculture farm machinery and many other industrial applications because of their essential properties such as high strength, low density, good wear resistance compared to any other metal.

The present study deals with the addition of reinforcements such as graphite, fly ash, silicon carbide, red mud, organic material etc. to the Aluminium matrix in various proportions. Each reinforced material has an individual property which when added improves the properties of the base alloy.

Metal matrix composites (MMCs) usually con- sist of a low-density metal, such as aluminum or magnesium, reinforced with particulate or fibers of a ceramic material, such as silicon carbide or graphite.

Worldwide research in the area of AMMCs established beyond doubt the advantages of Al-based metal matrix composites (AMMCs) over the base alloy in the laboratory scale. With time, the demands moved ahead and engineering components were demanded from AMMCs.