Abstract

------------------------------------------------------------ABSTRACT---------------------------------------------------Light weight Metal matrix nano composites (MMNCs) have significance in aerospace, naval and other light weight applications. The ultrasonic cavitation based technique is found to be effective method to disperse nano particles uniformly and to produce a wide range of MMNCs. In this study, the uniform dispersion of nanoparticles in aluminum (AA7075) matrix resulted in enhanced mechanical properties. Various weight percentages of SiC nano particles are reinforced into the aluminum matrix. It is observed that there was a reasonably uniform dispersion of particles in the matrix. The hardness values, impact strengths and microstructures with various weight percentages are compared and presented.

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