Abstract
Experimental study on dry sliding wear properties of aluminum alloy 6026 were performed utilizing pin-on-disk wear testing machine, considering the wear parameters like the applied load on the pin and the rotational and track diameter of disk. Wear of the pin, coefficient of friction and frictional force were observed during the test procedure for analysis. The experimental trials were designed by L16 Orthogonal Array based on Taguchi’s design of experiments and a hybrid approach of gray relational analysis combined with response surface methodology was applied for optimizing the output responses. The optimum conditions obtained for lower wear, coefficient of friction and frictional force were 35.21 N load, 376 r/min speed of disk and 111.53 mm disk track diameter, respectively. Scanning electron microscopy image of specimens taken after testing shows that abrasive wear mechanism is the predominant mechanism of wear. Experiment of confirmation with optimum conditions shows that the result was nearer to the predicted results.
Highlights
Aluminum and aluminum alloys reside the third locale amid the commercially utilized engineering materials
Impact of wear parameters on AA7075 alloy such as applied load, sliding speed and contact distance was investigated by Bhatia et al.[1] for wet and dry conditions and found that sliding distance has the highest influence followed by load and sliding speed, and wear rate was high in dry conditions than in wet conditions
The wear behavior of Al6063 sporadically reinforced with aluminum oxide and graphite composite was studied by Kumar et al.[3] and the acquired result revealed that when compared to Al 6063-6% Al2O3 mono-reinforced composite, Al 6063-6% Al2O3-1% Gr hybrid composite exhibits a higher rate of wear resistance
Summary
Aluminum and aluminum alloys reside the third locale amid the commercially utilized engineering materials. Among commercial aluminum casting alloys, the most common alloys are Al-Si base alloys, remarkably owing to very attractive attributes likewise good workability, high strength-to-weight ratio, excellent castability, corrosion resistance and good thermal conductivity. The wear behavior of Al6063 sporadically reinforced with aluminum oxide and graphite composite was studied by Kumar et al.[3] and the acquired result revealed that when compared to Al 6063-6% Al2O3 mono-reinforced composite, Al 6063-6% Al2O3-1% Gr hybrid composite exhibits a higher rate of wear resistance. Comparison and analysis of wear behavior of as-cast Al6086 T6 and Al6082 were performed by Rana et al.[4] and results show that sliding distance increases the rate of wear to an extent of 800 m
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