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Coatings for corrosion prevention based on rare earths

A.E. Hughes and T.G. Harvey,    Commonwealth Scientific and Industrial Research Organisation, Australia

N. Birbilis and A. Kumar,    Monash University, Australia

R.G. Buchheit,    The Ohio State University, USA

Abstract:

Conversion coatings are used extensively in metal finishing both as the principal mode of protection and a preliminary step for painting. Chromate-based conversion coatings have been a mainstay technology in this area for many years, but for environmental reasons and risk to health they are targeted for elimination. Rare earth-based technology, particularly cerium-based, has been extensively investigated as a replacement and shown considerable promise in a number of technologies, ...

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