Abstract
Abstract Tantalum nitride (TaN) coatings have been deposited on Stainless steel (SS 316L) substrates by magnetron sputtering technique. The structural, morphological and tribological characteristics as a function of substrate temperature (Ts) have been studied using X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and Linear reciprocating tribometer. XRD analysis revealed that the coatings showed cubic phase and no secondary phase has been formed in coatings during deposition. XRD also revealed that the preferred orientation of coatings changes with change in Ts. Crystallite size was increased with increasing Ts from 200 °C−400 °C. The tribological properties of TaN coatings with respect to Ts and preferred orientation were studied. The results revealed that there is a significant impact of Ts and preferred orientation on tribology properties. The coating deposited at 400 °C with (2 2 0) preferred orientation shows lower coefficient of friction with enhanced wear resistance compared to the other two coatings deposited at 200 °C and 300 °C.
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