Processing Parameters Influence on Wear Resistance Behaviour of Friction Stir Processed Al-TiC Composites

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Author list: Akinlabi ET, Mahamood RM, Akinlabi SA, Ogunmuyiwa E

Publisher: Hindawi

Place: NEW YORK

Publication year: 2014

Journal: Advances in Materials Science and Engineering (1687-8434)

Journal acronym: ADV MATER SCI ENG

Number of pages: 12

ISSN: 1687-8434

eISSN: 1687-8442

Languages: English-Great Britain (EN-GB)

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Abstract

Friction stir processing (FSP) being a novel process is employed for the improvement of the mechanical properties of a material and the production of surface layer composites. The vital role of the integrity of surface characteristics in the mechanical properties of materials has made the research studies into surface modification important in order to improve the performance in practical applications. This study investigates the effect of processing parameters on the wear resistance behavior of friction stir processed Al-TiC composites. This was achieved through microstructural characterization by using both the optical and scanning electron microscope (SEM), microhardness profiling, and tribological characterization by means of the wear. The microhardness profiling of the processed samples revealed an increased hardness value, which was a function of the TiC particles incorporated when compared to the parent material. The wear resistance property was also found to increase as a result of the TiC powder addition. The right combination of processing parameters was found to improve the wear resistance property of the composites produced.

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