The coatings available to give corrosion protection to underbonnet and underbody automotive components are reviewed together with design and application considerations for optimising cost effectiveness. The recent toxicity and environmental requirements are discussed and a table given that assesses the attributes of possible coatings.
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References
1.
See‘Design of articles that are to be coated’, BS 4479, British Standards Institution, Milton Keynes, 1990.
2.
LOARG. W., ROMERK. R., and AOET. J.: Plat. Surf. Finish., March 1991, 74–79.
3.
Dacromet is a licensed process offered by Metal Coatings International in the USA and Dacral SA, Paris, France in Europe.
4.
See‘Specification for chromate conver-sion coatings on electroplated zinc and cadmium coatings’, BS 6338, British Standards Institution, Milton Keynes, 1989.
5.
Xylan is a trade name of Whitford Plastics Ltd, Runcorn, Cheshire.
