Analysis on sliding wear behavior of Al + B4C+ mica hybrid metal matrix composites
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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Document Type: Research Article
Publication date: July 1, 2020
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