Abstract
Friction stir processing (FSP) has originated to be an innovative solid state technique to fabricate aluminium matrix surface composites (AMCs). FSP technique was used to produce AA6082/TiC surface AMCs and analyze the effect of TiC particles on microstructure and dry sliding wear behaviour. Surface AMCs containing five different various volume fractions (0, 6%, 12%, 18% and 24%) were fabricated. FSP was carried out using a tool rotational speed of 1200rpm, travel speed of 60mm/min and an axial force of 10kN to produce surface composite. The microstructure of the AA6082/TiC AMCs was studied using optical and scanning electron microscopy (SEM). The sliding wear behaviour was evaluated using a pin-on-disk apparatus. The results revealed that the TiC particles significantly influenced the distribution of TiC particles, and sliding wear behaviour of the AA6082/TiC AMCs. The effect of TiC particles on worn surface is also reported in this paper.
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