What is Cathodic Protection
What is Cathodic protection.
Cathodic protection is a method to reduce corrosion by minimizing the difference
in potential between anode and cathode.
This is achieved by applying a current to the structure to be protected (such as a pipeline or a boat) from some outside source: a galvanic anodes or impressed current.
When enough current is applied, the whole structure will be at one potential; thus, anode and cathode sites will not exist.
Cathodic protection is commonly used on many types of structures, such as pipelines, underground storage tanks, locks, and ship hulls.
For a detailed description of see: Cathodic Protection or Documents on Cathodic Protection
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