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STUDY OF DRY SLIDING WEAR RESISTANCE OF COMPOSITE MATERIALS OF AN ALLOY(AL – 12 % SI) REINFORCED WITH SIC PARTICLES | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 11, Issue 1, 2011, Pages 172-181 | ||
| Author | ||
| Husein M. Habeeb | ||
| Abstract | ||
| Abstract In this study, composite materials of an aluminum alloy(Al – 12 % Si) matrix reinforced with 5wt% SiC particles were prepared by gravity die casting and squeeze casting under casting pressure of ( 38MPa) and mold preheating at temperature (200 oC). Microstructure and hardness for prepared base alloy and composite materials were carried ou. Dry sliding wear type (pin–on-Disc) with variation in applied load was carried out under a constant steel hardness (35 HRC), sliding speed (2.7 m / sec) and sliding time (20 min). It has been found that prepared base alloy(Al – 12 % Si) and composite materials produced by squeeze casting have wear resistance better than that of base alloy and composite materials produced by gravity die casting. | ||
| Keywords | ||
| Composite Materials; wear; Silicon lloys; Squeeze casting | ||
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