Abstract
Various ratios of TiN particle reinforced Fe-based metallic glass coatings were prepared using gas tunnel type plasma torch and their phase and microstructure formation was examined through XRD, SEM-EDX and TEM characterization techniques. Mechanical and wear behavior of the glass coatings were evaluated by Vickers microhardness tester and conventional ball-on-disk tribometer. The microstructural results showed that Fe and TiN particle reinforced coatings were formed with minimum amount of oxidation. Fraction of TiN in coating microstructures linearly increased with the weight percentage of TiN in the initial feedstock and also the reinforced TiN particles were embedded in the Fe-based metallic glass matrix throughout the coating microstructures. Microhardness of the coating increased with respect to TiN fraction in coating microstructure. On the other hand, friction coefficient and wear rate of the coatings gradually decreased with respect to the increase in volume fraction of TiN in the coating microstructures. An increase in applied load linearly increased the wear volume of the Fe and TiN reinforced coatings.
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