Effect of Nano and Micro Graphite Particle on Tribological Performance of Aluminium Metal Matrix Composites

K. Rajkumar; S. Santosh

doi:10.4028/www.scientific.net/AMM.592-594.917

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 592-594Effect of Nano and Micro Graphite Particle on...

Effect of Nano and Micro Graphite Particle on Tribological Performance of Aluminium Metal Matrix Composites

Abstract:

Al-graphite and Al-Nanographite particulate metal matrix composites were prepared by two step stir casting method. The reinforced particulates in the metal matrix composites varied from 5% to 10% by volume fraction. Tribological performances of these composites were evaluated based on graphite particle size and normal load using a pin-on-disc tribometer. Al-Nanographite composites show higher load withstanding capacity and low coefficient of friction compared to aluminium graphite composites by the way of forming a thick graphite layer at the contact surface.

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Periodical:

Applied Mechanics and Materials (Volumes 592-594)

Pages:

917-921

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.592-594.917

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Online since:

July 2014

Authors:

K. Rajkumar, S. Santosh*

Keywords:

Aluminium Alloy, Graphite, Nanographite, Sliding Wear, Solid Lubricant, Stir Casting

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* - Corresponding Author

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