This is the fifth of a series of reports on the protection of mooring buoys. Fourteen test buoys were given their fourth rating for extent of coating deterioration, corrosion of steel, and fouling. Another buoy was so deteriorated it was removed from test. Exposure periods vary for the buoys. The coating systems on eight of the buoys were in good condition and six showed varying degrees of moderate deterioration. Two sets of thirteen test panels coated with the systems used on the buoys were rated for the third time after 18 months exposure, and results showed a general correlation. Environmental corrosion is supplemented by abrasion of buoys by mooring naval vessels. Three of the buoys were cathodically protected with a sacrificial magnesium anode, a control head, and a zinc anode, united directly to the ground cable, was substituted for the magnesium and potentials were increased to the desired magnitude. (Author)


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Protection of Mooring Buoys. Part V. Fourth Rating Inspection


    Contributors:

    Publication date :

    1965


    Size :

    2 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






    Mooring of Buoys in Restricted Waters

    Oestergaard, C. / Schellin, T. E. / Gerhard-Mercator-Universitat Duisburg; Institut fur Schiffstechnik Duisburg | British Library Conference Proceedings | 1997


    MOORING SYSTEM COMPRISING BUOYS AND ANCHORS

    MORITZ BERTIL | European Patent Office | 2024

    Free access

    MOORING SYSTEM COMPRISING BUOYS AND ANCHORS

    MORITZ BERTIL | European Patent Office | 2022

    Free access