Abstract
The key issues to enhancing the working life of the automobile components are friction and wear behavior. This study deals with the experimental investigation of friction and wear behavior of piston rings substrate coated with chromium carbide (CrC)-based composite coating produced by a thermally sprayed plasma technique against the pin made of cylinder liner. In this composite coating, the CrC powder has been varying from ten percent to fifty percent by weight with Mo, Fe + Mo, and NiCr. The experiment was performed at constant load 60 N and sliding distance 2500 mm on the pin-on-disk tribometer setup to study the friction and wear behavior. Scanning electron microscope (SEM) was further used for the morphological study of the developed coating. The SEM examination reported that the sizes of the powders are ranging from 15 to 75 µm. It is experimentally investigated that CrC composite with 40% reveals the tremendous lessening in specific wear rate and exhibits a lower coefficient of friction. KeywordsComposite coatingPlasma sprayCrC contentCoefficient of frictionSpecific wear rateScanning electron microscope
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