DRY SLIDING WEAR BEHAVIOR OF SIC AND ZNO REINFORCED ALUMINIUM 6061 MATRIX COMPOSITE USING ROBUST DESIGN
Keywords:
Aluminium matrix composite, Stir casting method, L9 (33) orthogonal arrayAbstract
In the industrial world, the role and application of the aluminium metal matrix composite is extended to a greater level due to its superior properties, especially in aerospace and automobile fields. The main objective of the current work is to investigate the dry sliding wear behavior of an aluminium 6061 matrix reinforced with silicon carbide and zinc oxide particles. A aluminium matrix composite with 5 wt.%SiC and 2 wt.% ZnO particle reinforcement was prepared using stir casting method. The wear behavior of the Al/SiC/ZnO composite was investigated by carrying dry sliding tests using an oil-hardened non-shrinking steel disc on a pin-on-disc apparatus. Wear tests were carried for normal loads of 1, 1.5 and 2 kg at sliding velocities of 0.5, 1 and 1.5 m/s with the varied sliding distances of 500, 1000 and 1500 m at room temperature. The series of experiments were conducted by using Taguchi’s L9 (33) orthogonal array as per Design of Experiments (DOE). The variations of the output responses such as wear rate and frictional coefficient for different loads, velocities and sliding distances were analyzed and the best condition of experiment is suggested by using robust design modelling.
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