Evaluation Of Factors Affecting Sliding Wear Behaviour Of Al-Flyash Metal Matrix Composites By Using Design Of Experiments
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 5
Abstract
The ability to produce near net shape components is made possible by means of squeeze casting process. Squeeze casting is a hybrid metal forming process which combines the features of both casting and forging in a single operation. The primary objective of this paper is to study the influence of the process parameters on wear resistance in squeeze casting of LM6 Al-flyash composite using Taguchi method. The parameters studied include percentage wt. of flyash, squeeze pressure, and squeeze time. In Taguchi method, a four level orthogonal array has been used to determine the S/N ratio. In this investigation, composites have been produced by incorporating flyash as a reinforcement material and eutectic Al–Si alloy as a matrix. Stir casting route has been adopted to disperse fly ash (from 5% to 12.5%wt.) in the Al–Si alloy matrix which is followed by applying the squeeze pressure of 30, 60, 90 and 120 bar for a varying squeeze time. The Pin-on-disc test was conducted on the specimen prepared out of these castings to determine the sliding wear behavior of the composite. The results of experimental investigation on wear resistance of flyash reinforced aluminium metal matrix composite shows that the inclusion of the flyash by weight percentage and the squeeze pressure
Authors and Affiliations
K. N. P. Prasad
Keywords
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