Optical appearance of AC anodized Al/TiO2 composite coatings

Kirill Bordo, Visweswara Chakravarthy Gudla, Rajan Ambat, Flemming Jensen, Stela Canulescu, Aude Simar

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    AC anodization of Friction Stir Processed (FSP) surface composites of Al/TiO2 was systematically investigated with an aim to understand the effect of the anodization parameters on the optical appearance of the anodic layer. FSP-treated Al samples were anodized at different frequencies and voltage amplitudes. The microstructure and composition of the obtained anodic films were determined by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX) and transmission electron microscopy (TEM). The optical appearance of the films was characterized by optical reflectance spectroscopy. The changes of the optical reflectance spectra were analysed and correlated to the microstructural features observed for the FSP-treated samples before and after anodization.
    Original languageEnglish
    Title of host publicationProceedings of EuroCorr 2014
    Number of pages7
    Publication date2014
    Publication statusPublished - 2014
    EventEuropean Corrosion Congress - Palazzo dei Congressi of Pisa, Pisa, Italy
    Duration: 8 Sept 201412 Sept 2014


    ConferenceEuropean Corrosion Congress
    LocationPalazzo dei Congressi of Pisa
    Internet address

    Bibliographical note

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