Abstract
The proposed work deals with the microstructural, mechanical and tribological properties of Cr3C2 (Chromium Carbid) PS.ZrO2 (partiallystabilized zirconia) composite coatings fabricated using HVOF (High Velocity OxyFuel) techniques. The analysis of X-raydiffraction and TEM reveals that these three types of coating are consistent with mainly developed feedstock powders during the key phases of Cr3C2-PS.ZrO2. The three Cr3C2-PS.ZrO2 coatings are equally hard to use. Together with the plasma sprayed Cr3C2-PS.ZrO2 coating, the HVOF Cr3C2-PS.ZrO2 coats are less brittle and have more adhesive toughness. The coefficients of HVOF friction were fewer than the plasma coated coating, and the HVOF coatings were improved to user resistance on worn layers in the three coats and coupled Si3N4 balls, the lightweight PS.ZrO2 eutetic lubrication coating is formed at high temperatures owing to reduced friction and wear rates.
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