Investigation of Mechanical and Wear Properties of Cu- Coconut Shell Ash Alloy Prepared by Powder Metallurgical Technique

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M. Karthikeyan, K. Arul Raj, D. Narmatha


In this research, experimentations were made on wear characteristics of fabricated copper composite and also evaluated its mechanical properties. Currently the researchers shows the interest in manufacturing the engineering products from the waste material because of its abundant availability and cheaper. In this research coconut ash was produced from coconut shell used as a reinforcement. The copper metal matrix composite is fabricated with copper-90%, lead-3%, tin-1%, zinc stearate-1% and coconut shell ash-4%. The alloy with lead and tin strengthens copper and also increases the wear properties.The coconut shell ash also contributes in improving the wear resistance.At room temperature, the wear test were carried out at a purpose built pin on apparatus. The composite were tested at 390MPa compact pressure and at 600oC sintering temperature. The results show that the wear behaviour change and the copper composite reduces the wear rate and increase the material life time.The mode of wear was characterised by using Scanning Electron Microscope.

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