Corrosion Protection and Control Using Nanomaterials

Corrosion Protection and Control Using Nanomaterials

Woodhead Publishing Series in Metals and Surface Engineering
2012, Pages 357-374
Corrosion Protection and Control Using Nanomaterials

14 - Nanocoatings for corrosion protection of aerospace alloys

https://doi.org/10.1533/9780857095800.2.357Get rights and content

Abstract:

As the result of environmental conditions, corrosion usually takes place and degrades the surface of aluminum alloys used in aerospace manufacturing. Commonly used methods of decreasing corrosion rates to improve the lifetime of these alloys include protective coatings, passivations and anodic and cathodic fortification. In addition, new protection methods incorporating nanotechnology-associated approaches have been recently developed. These include surface treatments, nanocomposite thin-film coatings, layer-by-layer coatings, self-cleaning coatings, sol–gel coatings, ceramic coatings, nanoscale alloy coatings and top-layer coatings. Compared with conventional coating materials, nanotechnology-associated coatings significantly increase the corrosion protection of aluminum alloys. In this paper, some of the nanoscale studies involving protective coatings are analyzed and the results evaluated.

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