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Open Access Analysis on sliding wear behavior of Al + B4C+ mica hybrid metal matrix composites

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In this investigation, wear behavior of hybrid aluminum metal matrix composites (HMMCs) fabricated by stir casting technique is carried out. Boron carbide and Mica particles are added. The Mica percentage varies from 3–5% in steps of 1% with a constant reinforcement quantity of 10% boron carbide. The dry sliding wear experiments are explored on a pin on disc tribometer. The process variables considered for the study are: Mica mass fraction, sliding speed, load and sliding time, and the response analyzed is wear loss. Box-Behnken design is used for conducting the experiments. The result shown proves that 3% of Mica particle inclusion reduces the wear due to the increase in density. Further increase of mica does not improve the wear resistance. ANOVA results indicate that load and % of Mica are the profoundly influencing parameters. The pin surface is analyzed by using a Scanning Electron Microscope.

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Keywords: AL6061; B4C; DRY SLIDING WEAR; MICA; STIR CASTING; WEAR LOSS

Document Type: Research Article

Publication date: July 1, 2020

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  • Materials Express is a peer-reviewed multidisciplinary journal reporting emerging researches on materials science, engineering, technology and biology. Cutting-edge researches on the synthesis, characterization, properties, and applications of a very wide range of materials are covered for broad readership; from physical sciences to life sciences. In particular, the journal aims to report advanced materials with interesting electronic, magnetic, optical, mechanical and catalytic properties for industrial applications.
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