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RECENT PROGRESS AND PRACTICAL APPLICATIONS IN CATHODIC PROTECTION OF SHIPS' HULLS BY IMPRESSED CURRENT

RECENTS PROGRES ET APPLICATIONS PRATIQUES DANS LA PROTECTION CATHODIQUE DES CONQUES DE NAVIRES PAR COURANT IMPOSE

Cathodic protection is now fully justified technically and economically as the most effective means of maintaining underwater hull areas in an optimum corrosion-free condition. In this connection, an automatically controlled impressed current system has distinct advantages over sacrificial anodes, not the least in terms of cost. However, effective corrosion control depends upon the successful combination of cathodic protection and paint coatings which are complementary. An efficient impressed current cathodic protection system depends upon the correct choice of design premises, selection of the most useful anode material, correct location and distribution of anodes and the effective monitoring of the level of protection to ensure actual automatic control of the system output. These factors are all interrelated and equally important if complete corrosion protection on the underwater hull is to be achieved. Typical applications are described.

  • Supplemental Notes:
    • Prepared for Meeting, Paris, France, May 12-16, 1975.
  • Corporate Authors:

    Association Technique Maritime et Aeronautique

    47 rue de Moneeau
    75008 Paris,   France 
  • Authors:
    • Nagel, R W
    • Chappel, M J
  • Publication Date: 1975

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00144302
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: Jan 16 1977 12:00AM