In-situ formation of Ag nanoparticles in the MAO coating during the processing of cp-Ti.

Maj, L; Fogarassy, Z; Wojtas, D; Jarzebska, A; Muhaffel, F; Sulyok, A; Góral, A; Kulczyk, M; Çimenoglu, H; Bieda, M

Maj, L; Fogarassy, Z; Wojtas, D; Jarzebska, A; Muhaffel, F; Sulyok, A; Góral, A; Kulczyk, M; Çimenoglu, H; Bieda, M.

Afiliación

Maj L; Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Krakow, Poland. l.maj@imim.pl.
Fogarassy Z; Institute for Technical Physics and Materials Science, Centre for Energy Research, Budapest, Hungary.
Wojtas D; Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Krakow, Poland.
Jarzebska A; Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Krakow, Poland.
Muhaffel F; Department of Metallurgical and Materials Engineering, Istanbul Technical University, Istanbul, Turkey.
Sulyok A; Institute for Technical Physics and Materials Science, Centre for Energy Research, Budapest, Hungary.
Góral A; Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Krakow, Poland.
Kulczyk M; Institute of High Pressure Physics, Polish Academy of Sciences, Warsaw, Poland.
Çimenoglu H; Department of Metallurgical and Materials Engineering, Istanbul Technical University, Istanbul, Turkey.
Bieda M; Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Krakow, Poland.

Sci Rep ; 13(1): 3230, 2023 Feb 24.

Article en En | MEDLINE | ID: mdl-36828934

RESUMEN

Silver nanoparticle (Ag-NP) containing antibacterial micro-arc oxidation (MAO) coatings have already been synthesized over titanium-based materials via the MAO process employed in silver acetate (AgC2H3O2) containing electrolyte. However, the way of incorporation and in-situ formation of Ag-NPs within the MAO coating have not been documented yet. Present work was initiated to reveal the mechanism of Ag-NP formation within the MAO coatings. Thus, the structure of the MAO coating fabricated on commercial purity titanium in the AgC2H3O2-containing electrolyte was investigated by electron microscopy techniques. To this end, the cross-sectional high-resolution electron microscopy studies were carried out on lamella cut out with the focused ion beam technique, and these investigations were backed by X-ray photoelectron spectroscopy measurements of chemical composition on the surface of the MAO coating. These studies revealed that Ag is dispersed in the form of nanoparticles throughout the coating and that a higher density was confirmed closer to the micro-pores.

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Rep Año: 2023 Tipo del documento: Article País de afiliación: Polonia Pais de publicación: Reino Unido

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