Characterization of Aluminium Alloy AA2219 Reinforced with Graphite by Stir Casting Method

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Bhuvaneswari, V; Yuvaraj, G; Saravanakumar, Dr. A; Kumar, Rajesh L; Kiruthiha, R

Characterization of Aluminium Alloy AA2219 Reinforced with Graphite by Stir Casting Method Journal Article

Mechanics, Materials Science & Engineering, 11 (1), 2017, ISSN: 2412-5954.

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Authors: V. Bhuvaneswari, G. Yuvaraj, Dr. A. Saravanakumar, L. Rajesh Kumar, R. Kiruthiha

ABSTRACT. Aluminium alloy has been accepted in the world wide for the fabrication of lightweight structures requiring a high strength to weight ratio, such as aerospace, automotive and structural components resulting in savings of materials and energy. In this work, mechanical properties like porosity test and surface roughness test of Aluminium Alloy AA2219 is reinforced with graphite powder in the ratio of 1%, 3%, 4.5% (in terms of weight) was done. It is fabricated with different composition of graphite using stir casting method and maintained at the temperature of 1023 K, and running speed at 500 rpm. The proposal work is aimed at obtaining a composite material with good surface finish and with less casting effects. By testing, we obtained the increase in surface roughness values of 3.83 µm at 4.5% of graphite and found porosity is increased up to 0.04%.

Keywords: aluminium alloy, graphite, mechanical properties, stir casting method

DOI 10.2412/mmse.79.48.932

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