A study was undertaken to investigate seawater velocity thresholds and failure modes for three selected marin coatings under non-cavitating, parallel flow ranging from 3 to 30 m/s. The study was accomplished in a flow channel using natural seawater. The results indicate: (1) the velocity threshold for two of the three coatings investigated might exceed 30 m/s (2) blister formation appears to be the critical part of the damage process leading to gross failure (3) under the given set of experimental conditions, hydromechanical wear is negligible (4) electrical impedance measurements enable non-destructive detection of impending coating failure (5) parallel flow is not as damaging as impinging or cavitating flow in the velocity range between 15 and 30 m/s. (Kursetz)


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    Titel :

    The performance of selected marine coatings exposed to high velocity seawater


    Weitere Titelangaben:

    Das Verhalten von ausgewaehlten Oberflaechenbeschichtungswerkstoffen des Schiffbaues beim Einfluss des Seewassers bei hohen Geschwindigkeiten


    Beteiligte:
    Gehring, G.A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1979


    Format / Umfang :

    52 Seiten


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch




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