Four manufacturers' aluminum sacrificial anodes protecting bare steel specimens were exposed for 6 months in seawater and two types of marine soil to determine their relative electrochemical efficiencies. The operating potentials and currents, and the electrochemical efficiencies of each anode were measured. A cathodic protection system with aluminum and zinc anodes to protect the same cathode also was tested. In a protection system with aluminum and zinc, the zinc anodes became passivated.


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    Title :

    Long-term performance of aluminum anodes in seawater and marine soil


    Contributors:

    Published in:

    Materials Performance ; 38 , 1 ; 34-39


    Publication date :

    1999


    Size :

    6 Seiten, 6 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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