A high density, low porosity Al-Co-Ce metallic coating has been successfully applied to a AA-2024-T351 substrate using a PTS (pulsed thermal spray) process in thicknesses ranging from 100 - 500 micron. The three proposed modes of corrosion protection brought about by the coating (e.g., a localized corrosion barrier, a sacrificial anode to supply cathodic protection of any exposed AA 2024-T351, and active inhibitor release and protection of AA 2024-T351) have been verified to function simultaneously. Although XRD (x-ray diffraction) has identified nanocrystalline peaks in the as-sprayed deposit, the best PTS applied coating samples have approached the localized corrosion properties of fully amorphous melt spun ribbons of similar composition. However, high surface area PTS coatings produced superior capabilities for active inhibitor release.


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    Titel :

    Metallurgical and physical factors in improving the corrosion resistance of thermally sprayed semi-amorphous Al-Co-Ce coatings


    Weitere Titelangaben:

    Metallurgische und physikalische Faktoren bei der Verbesserung der Korrosionsfestigkeit thermisch gespritzter, halbamorpher Al-Co-Ce-Beschichtungen


    Beteiligte:
    Tailleart, N. (Autor:in) / Gauthier, B. (Autor:in) / Eidelman, S. (Autor:in) / Scully, J.R. (Autor:in)


    Erscheinungsdatum :

    2009


    Format / Umfang :

    25 Seiten, 15 Bilder, 2 Tabellen, 32 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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