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The need for a University Department of Applied Cathodic Protection

There is a communications gap between field workers, in the application of cathodic protection, and the academics that advise this industry.

There is a communications gap between field workers, in the application of cathodic protection, and the academics that advise this industry.

This gap can be confirmed by simple questions to the practitioners of either activity.

A scientist believes that a copper/copper-sulphate electrode can be used as a reference potential whereas a field worker knows that the subject metal (usually a length of buried, coated, steel pipeline) is the reference and the Cu/CuSO4 electrode is the variable. This is obvious to the field worker as the position of the electrode determins the value on the meter.

This is the root cause of the majority of the misconceptions that have arrisen over the years.

It has given rise to the present situation where there is no internationally agreed criterion for the attainment of cathodic protection.

There is only one method to establish if corrosion has been stopped by cathodic protection, and that has not been validated by any academic establishment.



 

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