Abstract
Recent research on combating corrosion and oxidation of metals has been focused on nanotechnological principles. Sol–gel coating is one outcome of nanotechnology able to tailor both the corrosion protection properties of bulk coatings and the metal oxide/polymer interface chemistry. Organic–inorganic hybrid coatings are of special interest because they combine properties of organic polymers (hydrophobicity, flexibility and functional compatibility with organic paint systems) with those of inorganic ceramics (scratch resistance, durability and adhesion to the metal substrate). Several sol–gel coatings are commercially available for a variety of engineering metallic substrates and for a wide range of applications in mild to severe corrosive environments. Sol–gel coatings are desirable for their environmental friendliness, high performance, compatibility with existing coating application technologies and for the on-demand simplicity of tailoring coating properties.
Published Version
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