In vitro corrosion of titanium nitride and oxynitride-based biocompatible coatings deposited on stainless steel

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dc.contributor.authorPana, Iulian
dc.contributor.authorBraic, Viorel
dc.contributor.authorMouele, Emile S. Massima
dc.date.accessioned2022-06-02T12:24:22Z
dc.date.available2022-06-02T12:24:22Z
dc.date.issued2020
dc.description.abstractThe reactive cathodic arc deposition technique was used to produce Ti nitride and oxynitride coatings on 304 stainless steel substrates (SS). Both mono (SS/TiN, SS/TiNO) and bilayer coatings (SS/TiN/TiNO and SS/TiNO/TiN) were investigated in terms of elemental and phase composition, microstructure, grain size, morphology, and roughness. The corrosion behavior in a solution consisting of 0.10 M NaCl + 1.96 M H2O2 was evaluated, aiming for biomedical applications. The results showed that the coatings were compact, homogeneously deposited on the substrate, and displaying rough surfaces. The XRD analysis indicated that both mono and bilayer coatings showed only cubic phases with (111) and (222) preferred orientations. The highest crystallinity was shown by the SS/TiN coating, as indicated also by the largest grain size of 23.8 nm, which progressively decreased to 16.3 nm for the SS/TiNO monolayer. The oxynitride layers exhibited the best in vitro corrosion resistance either as a monolayer or as a top layer in the bilayer structure, making them a good candidate for implant applications.en_US
dc.identifier.citationPana, I. et al. (2020). In vitro corrosion of titanium nitride and oxynitride-based biocompatible coatings deposited on stainless steel. Coatings, 10(8), 710. https://doi.org/10.3390/coatings10080710en_US
dc.identifier.issn2079-6412
dc.identifier.urihttps://doi.org/10.3390/coatings10080710
dc.identifier.urihttp://hdl.handle.net/10566/7485
dc.language.isoenen_US
dc.publisherMPDIen_US
dc.subjectTitanium nitrideen_US
dc.subjectOxynitrideen_US
dc.subjectCoating adhesionen_US
dc.subjectReactive cathodic arc depositionen_US
dc.subjectBilayer coatingsen_US
dc.titleIn vitro corrosion of titanium nitride and oxynitride-based biocompatible coatings deposited on stainless steelen_US
dc.typeArticleen_US

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