An inhibitor is a chemical added to the corrosive environment in small amounts to reduce the corrosion rate. Some inhibitors interfere with the anode reaction, some with the cathode reaction, and some with both. They are usually used to prevent general corrosion but most are not effective in preventing localized attack, such as crevice corrosion, pitting, or SCC.
KeywordsCorrosion Inhibitor Polarization Diagram Crevice Corrosion Adsorption Inhibitor Cathode Site
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