Abstract
Developing coated AISI D2 steel, exhibiting enhanced wear performance has been a major interest for the manufacturing industry in recent years. In this study, the Wear Performance of Manganese phosphate coatings on AISI D2 steel subjected to various heat treatments was investigated. The Surface morphology of manganese phosphate coatings was examined by Scanning Electron Microscope (SEM) and Energy Dispersive X-ray Spectroscopy (EDX) .The wear tests were performed in a pin on disk apparatus as per ASTM G-99 Standard. The wear resistance of the coated steel was evaluated through pin on disc test, using a sliding velocity of 0.35 m/s under normal load of 10 to 60N and controlled condition of temperature and humidity. The Coefficient of friction and temperature were evaluated. The results of the wear test revealed that annealing after the manganese phosphate coating exhibited the lowest average coefficient of friction and the lowest rise in temperature at higher loads.
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