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CATHODIC PROTECTION
The science of cathodic protection was born in 1824, when Sir Humphrey Davy was to investigate the corrosion of the copper sheathing of the hulls of wooden naval ships, the Admiralty were the first users of cathodic protection. ... Zinc remained in use, however, and no doubt gave considerable protection to the copper sheathing. ...
Cathodic protection is a means of prevailing a metallic object which is either buried in the ground or immersed under water from corrosion. ... The basic principle of CP is to turn a metal’s surface into a cathode (cathodic), hence the name cathodic protection. A metals surface, buried or immersed, can contain anodic and cathodic areas, corrosion only occurs at the anodic areas, therefore if a metal objects surface can be turned into a cathode over its entire surface, then corrosion can be prevented on the metallic structure.
Approximate Word count = 671
Approximate Pages = 2.7
(250 words per page double spaced)
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