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Theoretical and experimental investigation of wear characteristics of aluminum based metal matrix composites using RSM

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Abstract

The tribological properties such as wear rate, hardness of the aluminum-fly ash composite synthesized by stir casting were investigated by varying the weight % of fly ash from 5 to 20 with constant weight % of zinc and magnesium metal powder. A mathematical model was developed to predict the wear rate of aluminum metal matrix composites and the adequacy of the model was verified using analysis of variance. Scanning electron microscopy was used for the microstructure analysis which showed a uniform distribution of fly ash in the metal matrix. Energy — dispersive X-ray spectroscopy was used for the elemental analysis or chemical characterization of a sample. The results showed that addition of fly ash to aluminum based metal matrix improved both the mechanical and tribological properties of the composites. The fly ash particles improved the wear resistance of the metal matrix composites because the hardness of the samples taken increased as the fly ash content was increased.

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Authors and Affiliations

  1. Faculty of Mechanical Engineering, Institute of Road and Transport Technology, Erode, 638 316, Tamil Nadu, India

    S. Selvi

  2. Faculty of Automobile Engineering, Institute of Road and Transport Technology, Erode, 638 316, Tamil Nadu, India

    E. Rajasekar

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  1. S. Selvi
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  2. E. Rajasekar
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Correspondence to S. Selvi.

Additional information

Recommended by Associate Editor In-Ha Sung

S. Selvi graduated in 1992 with a degree in M.E. degree (with Distinction) from Anna University, Chennai. She obtained her Ph.D. in Mechanical Engineering in 2010 from Bharathiar University, Coimbatore. She has received the best paper award from Indian Institute of Welding (IIW) in 2008 and second best paper award from BHEL, WRI, Trichy in 2009. Currently she is an Associate Professor in Mechanical Engineering, IRTT, Erode. Her main research activities focus on metal matrix composites, welding and hardfacing.

E. Rajasekar completed his M.E. degree (with Distinction) in Automobile Engineering discipline in 1992 from Anna University, Chennai and Ph.D. in Mechanical Engineering in 2011 from Anna University, Chennai. He is an Associate Professor in Automobile Engineering, IRTT, Erode. He is an active member in the SAE India, Combustion Institute, Institution of Engineers (India) and ISTE. His research interest is mainly on automotive materials, alternative fuels for IC Engines and renewable energy.

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Selvi, S., Rajasekar, E. Theoretical and experimental investigation of wear characteristics of aluminum based metal matrix composites using RSM. J Mech Sci Technol 29, 785–792 (2015). https://doi.org/10.1007/s12206-015-0140-z

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  • DOI: https://doi.org/10.1007/s12206-015-0140-z

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