Abstract
In this study, WC10Co4Cr (particle size [Formula: see text][Formula: see text][Formula: see text]m) and WC10Co4Cr+Graphen nano-platelets (GNPs) of particle size [Formula: see text][Formula: see text][Formula: see text]m cermet coatings were deposited on an ASTM A479 steel substrate utilising the High-Velocity Oxygen Fuel (HVOF) technique. The wear and corrosion of coated and uncoated surfaces were studied using the pin-on-disc and salt spray testing methods, respectively, and the micro-hardness of the cross-sections was tested using a Vickers micro-hardness testing machine at an applied force of 10[Formula: see text]N. Further, surface morphology of coated and uncoated substrate was investigated using scanning electron microscopy (SEM) and microscopic images. The analysis revealed that WC-10Co-[Formula: see text]-coated (C2) surfaces outperformed WC10Co4Cr coated (C1) surfaces in terms of wear resistance.
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