Evaluation of mechanical and corrosive properties of aluminium AA7075 metal matrix composites
DOI:
https://doi.org/10.24297/jac.v12i21.116Keywords:
Composites are most successful materials used for recent works in the industries. Metal composites possess significantly improved properties including high tensile strength, toughness, hardness, low density and good wear resistance compared to alloys orAbstract
Composites are most successful materials used for recent works in the industries. Metal composites possess significantly improved properties including high tensile strength , toughness, hardness, low density and good wear resistance compared to alloys or any other metals .By increasing the content of Zirconium and Chromium in AA 7075 metal matrix composites corrosion resistance is increased. Modified stir casting method is used for the even distribution of Zirconium and Chromium in AA7075 metal matrix composites. Ultimate tensile strength of AA7075 metal matrix composite improved by increasing the content of Zirconium and compared with unreinforced alloy of aluminum. Hardness and tensile strength of AA7075 composites is increased where ductility is decreased .Hence composites AA7075 metal matrix to enhance the mechanical and physical properties for widely used in the automobile and spacecraft applications to improve fuel efficiency. Aluminum metal matrix composites are being used in place of cast iron and steel due to their light weight and high strength.
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