Cathodic protection
Cathodic protection is a technique used to control the corrosion of metal surfaces by connecting the protected structure to a more easily corroded metal or alloy. This process involves creating an electrochemical cell, in which the protected structure serves as the cathode and the more easily corroded metal as the anode.
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This process involves creating an electrochemical cell, in which the protected structure serves as the cathode and the more easily corroded metal as the anode. By supplying a direct current from an external power source to the cell, the protected metal is forced into a potential range where corrosion is minimized or eliminated. Cathodic protection is commonly used to protect underground pipelines, steel tanks, and offshore structures from corrosion. It is an effective and widely adopted method for preserving the integrity and extending the service life of various structures exposed to corrosive environments.