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Evaluation study of cast Al-SiCp composites

Al-Haidary J. T., Jabur Al-Kaaby A. S.

Materials Science Poland

2007

Vol. 25, No. 1

155--165

The present work is concerned with the wear properties of aluminium matrix-SiC particles cast composites. It was found that introduction of SiC particles into At alloys causes a drastic reduction in the wear rate. With SiC content above 13.5 wt. %, however, the wear rate starts to increase again. The particle size of 25 žm is optimum for the improvement of wear resistance compared to other sizes (1 and 125 žm). The friction coefficient and sliding surface temperature decrease with increasing particles content.