| 摘要 |
Coated products are described comprising a metallic substrate, an aluminium-rich layer, a chromia-forming layer and a thermally insulating top coat. The chromia-forming layer is located between the substrate and the thermally-insulating top coat. The aluminium-rich layer is located between the substrate and the chromia-forming layer. The coating may be used to provide protection of parts exposed to conditions of relatively high temperatures, heat flux, and/or corrosive environments, such as the conditions in industrial gas turbines using poorer-quality fuels (such as bio-fuels).
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