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What is Principles of Cathodic Protection about?
This document summarizes the principles of cathodic protection for preventing corrosion of metals. It discusses: 1) How Sir Humphry Davy conducted the first experiments with cathodic protection in 1824 to prevent corrosion of copper ship hulls using zinc and iron anodes. 2) The electrochemical process of corrosion as an anodic reaction that releases electrons from metal and a cathodic reaction that consumes electrons. Cathodic protection works by supplying excess electrons to inhibit the anodic reaction.
- Author
- skumar_krishnan
- Language
- EN