1184 Surface Coatings

Surface coatings are an established anticorrosion strategy providing the opportunity to use "poor" corrosion resistance metals/alloys and offering the opportunity to aesthetically enhance a component or structure. Coating systems are extremely diverse, being applied to the substrate via a variety of techniques. In general, coatings may be classified as (i) metallic coatings, (ii) conversion coatings, and (iii) nonmetallic coatings.

The choice and application of a particular coating system will be dictated by the following considerations:

• Economics (cost per unit area or number of articles treated)

• Applicability to a given substrate

• Applicability of a given coating material

• Coating vs. durability consideration

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