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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Abstract

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 Sep 201412 Sep 2014
http://www.eurocorr2014.org/scope.htm

Conference

ConferenceEuropean Corrosion Congress
LocationPalazzo dei Congressi of Pisa
CountryItaly
CityPisa
Period08/09/201412/09/2014
Internet address

Bibliographical note

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