One-step synthesis and growth mechanism of nitrate intercalated ZnAl LDH conversion coatings on zinc

resumo

An approach for the synthesis of ZnAl-NO3 LDH conversion coatings on zinc in an aqueous acidic Al(NO3)(3)/NaNO3 solution is demonstrated for the first time. The growth mechanism has been investigated using time resolved structural, microstructural and analytical methods. A LDH growth model involving both electrochemical and chemical processes is suggested.

palavras-chave

LAYERED DOUBLE HYDROXIDES; CORROSION-RESISTANCE; FILMS; PROTECTION; ALUMINUM; ION

categoria

Chemistry

autores

Mikhailau, A; Maltanava, H; Poznyak, SK; Salak, AN; Zheludkevich, ML; Yasakau, KA; Ferreira, MGS

nossos autores

agradecimentos

KY acknowledges a researcher grant (IF/01284/2015). The authors acknowledge project CICECO-Aveiro Institute of Materials and FCT Ref. UID/CTM/50011/2019, financed by national funds through the FCT/MCTES. This research received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement no. 645676, project MULTISURF.

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