Designing oxidation-resistant coatings

This article examines the historical development of high-temperature, oxidation- and corrosion-resistant coatings, demonstrating how diffusion surface treatments, modified diffusion coatings, the design of M-Cr-Al-X corrosion-resistant overlay coatings, and the application of thermal-barrier coatings can be used to reduce the scaling (oxidation) rate of coated components. Future trends in high-temperature coating design are also reviewed, including the custom design of corrosion-resistant alloys, smart overlay coating concepts, diffusion barriers, and the use of layered thermal-barrier coating structures.

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