In the present work, investigation of slurry erosion wear performance of nickel-based clads on austenitic steel SS-304 substrate has been reported. Clads were developed through microwave hybrid heating technique using… Click to show full abstract
In the present work, investigation of slurry erosion wear performance of nickel-based clads on austenitic steel SS-304 substrate has been reported. Clads were developed through microwave hybrid heating technique using a low-cost microwave oven. The microwave-induced clads were characterized through scanning electron microscope equipped with energy-dispersive X-ray spectroscopy. The tribological properties of clads were determined using a slurry erosion wear testing setup. Experimental trials were conducted as per Taguchi L 27 orthogonal array considering three factors: spindle speed, specimen angle and time of exposure of clad surface to spinning slurry. The developed clads exhibited considerable resistance to slurry erosion; however, higher wear resistance characteristics were observed at lower spindle speed and higher specimen angle. ANOVA results indicated the specimen angle as the most significant factor followed by speed and time. A multiple linear regression equation was obtained to determine the correlation between the parameters. The clad specimens tested at a lower specimen angle were completely damaged due to microcutting, grooves and crater formation.
               
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