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Corrosion protection
Article By:
Bird, Kenneth W. SPF Corporation of America, Louisville, Colorado.
Mansfeld, Florian Corrosion and Environmental Effects Laboratory, Department of Materials Science and Engineering, University of Southern California, Los Angeles, California.
Last reviewed:1999
DOI:https://doi.org/10.1036/1097-8542.YB990335
Various metals and treatment processes have been used throughout history in an effort to minimize the effects of surface erosion (corrosion). Increased corrosion protection can be accomplished by coating the outer surface of one metal with another which acts as a barrier preventing oxidation of the inner metal. One example of oxidation is when iron is exposed to water and air and forms iron oxide, or rust. Some oxidized metals have certain characteristics making them less desirable, such as iron oxide which forms flakes; other metals can form a relatively stable film, such as zirconium oxide, which is resistant to further corrosion. The first section of this article discusses the benefits of using zirconium.
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