Abstract
Efficiency and performance are two critical characteristics of the internal combustion engine. The power generating component is required to be efficient so as to increase the overall performance of the vehicle and to make maximum use of the energy. In this study, we investigate the effect of load and speed on the wear of plasma sprayed coating with 60% Mo and Fe, 20% Mo, 10% NiCr, 10% Mo on cast iron substrate were investigated. Cylinder liner material was used as the counter body. We analyzed wear behavior, wear mechanism, the coefficient of friction, and temperature variation with different load and speed on a pin on disc tribometer in a dry run condition for a constant run of 2500 m. The specific wear rate was found to be increasing with the increase of the load from 50 to 70 N. Simultaneously with the increase in sliding velocity, the coefficient of friction decreased from 0.4 to 0.3. Further, the microstructure of the coating was studied with the help of SEM, EDX, and X-ray diffraction.
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