METHOD FOR PROTECTING METAL THINGS AGAINTS LEAKAGE CURRENT AND/OR ELECTROCHEMICAL CORROSION IN ELECTROLYTES
A large number of measurements are taken along the steel pipe to be protected, over a long period. The results of this survey are evaluated by mathematical-statistical methods and the locations having the largest positive potential are identified. Shallow earthing points are placed at these points....
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Zusammenfassung: | A large number of measurements are taken along the steel pipe to be protected, over a long period. The results of this survey are evaluated by mathematical-statistical methods and the locations having the largest positive potential are identified. Shallow earthing points are placed at these points. By connecting these to the steel pipe the peak potentials are removed. The pipe is then protected by deep earthed cathodic protection system, against stray currents and/or electrochemical corrosion. (-pp) |
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