Effects of film thickness of ALD-deposited Al2O3, ZrO2 and HfO2 nano-layers on the corrosion resistance of Ti(N,O)-coated stainless steel

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dc.contributor.authorDinu, Mihaela
dc.contributor.authorWang, Kaiying
dc.contributor.authorPetrik, Leslie Felicia
dc.contributor.authorMassima, Mouele Emile S
dc.date.accessioned2023-04-21T09:42:28Z
dc.date.available2023-04-21T09:42:28Z
dc.date.issued2023
dc.description.abstractThe goal of this stydy was to explore the potential of the enhanced corrosion resistance of Ti(N,O) cathodic arc evaporation-coated 304L stainless steel using oxide nano-layers deposited by atomic layer deposition (ALD). In this study, we deposited Al2O3, ZrO2, and HfO2 nanolayers of two different thicknesses by ALD onto Ti(N,O)-coated 304L stainless steel surfaces. XRD, EDS, SEM, surface profilometry, and voltammetry investigations of the anticorrosion properties of the coated samples are reported. The amorphous oxide nanolayers homogeneously deposited on the sample surfaces exhibited lower roughness after corrosion attack compared to the Ti(N,O)-coated stainless steel. The best corrosion resistance was obtained for the thickest oxide layers. All samples coated with thicker oxide nanolayers augmented the corrosion resistance of the Ti(N,O)-coated stainless steel in a saline, acidic, and oxidising environment (0.9% NaCl + 6% H2O2, pH = 4), which is of interest for building corrosion-resistant housings for advanced oxidation systems such as cavitation and plasma-related electrochemical dielectric barrier discharge for breaking down persistent organic pollutants in water.en_US
dc.identifier.citationDinu, M. et al. (2023). Effects of film thickness of ALD-deposited Al2O3, ZrO2 and HfO2 nano-layers on the corrosion resistance of ti(N,O)-coated stainless steel. Materials, 16(5) doi:10.3390/ma16052007en_US
dc.identifier.urihttps://doi.org/10.3390/ma16052007
dc.identifier.urihttp://hdl.handle.net/10566/8857
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.subjectAtomic layer depositionen_US
dc.subjectCorrosion resistanceen_US
dc.subjectOxidesen_US
dc.subjectOxynitrideen_US
dc.titleEffects of film thickness of ALD-deposited Al2O3, ZrO2 and HfO2 nano-layers on the corrosion resistance of Ti(N,O)-coated stainless steelen_US
dc.typeArticleen_US

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