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Title: The Impact Of Electric Field Theory On Cathodic Protection Criteria
Author: Maurice A. Riordan
Source: American Gas Association 1987
Year Published: 1987
Abstract: Some controversial aspects of cathodic protection are reviewed. Exception is taken to some technical concepts that have widespread acceptance in the present-day practice of cathodic protection. These concepts include: Polarization of the cathode to the open circuit potential of the anode as being essential to cathodic protection Positive current Ohms law in electrolytic circuits IR drop. The application of electric field theory to the energy systems of corrosion and cathodic protection is discussed. Power as a fundamental criterion for cathodic protection is considered. It is concluded that energy concepts and electric field theory offer sound bases from which less controversial concepts and a sounder technical philosophy can be developed.

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