Abstract

Ti ( C , N ) coatings were prepared on stainless steel (SS) substrates by plasma surface alloying technique. Carbon–nitrogen co-doped titanium dioxide ( C - N - TiO 2) coatings were fabricated by oxidative of the Ti ( C , N ) coatings in air. The prepared C - N - TiO 2 coatings were characterized by SEM, XPS and XRD. Results reveal that the SS substrates were entirely shielded by the C - N - TiO 2 coatings. The C - N - TiO 2 coatings are anatase in structure as characterized by X-ray diffraction. The tribological behavior of the coatings was tested with ball-on-disc sliding wear and compared with substrate. Such a C - N - TiO 2 coatings showed good adhesion with the substrate and tribological properties of the SS in terms of much reduced friction coefficient and increased wear resistance.

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