释义 |
Definition of cathodic protection in English: cathodic protectionnoun mass nounProtection of a metal structure from corrosion under water by making it act as an electrical cathode. Example sentencesExamples - We were able to speed up work by using a hi-tech system called cathodic protection, which involves passing an electric current through concrete bridge supports to reverse corrosion.
- This was the first successful application of cathodic protection, in which a more readily oxidized metal is attached to the metal to be protected.
- The commercially pure metal has a number of important nonstructural uses, for example, in pyrotechnics, as an alloying agent in nonferrous metallurgy, and in the cathodic protection of other metals against corrosion.
- A process called cathodic protection will reverse the effects of salt corrosion by passing a small electric current through steel reinforcements inside the concrete.
- Stainless steel tubing increases copper alloy tube sheet attack to the point where impressed current cathodic protection is normally required to control tube sheet corrosion.
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