Evaluation of Normal and Nanolayer Composite Thermal Barrier Coatings in Fused Vanadate-Sulfate Salts at 1000°C

<table>Cross-section of the coatings after hot corrosion testing at 1000°C. (a, b) Conventional YSZ coating, (c) YSZ as inner layer of YSZ/normal Al<sub>2</sub>O<sub>3</sub> coating, and (d) YSZ as inner layer of YSZ/nano-Al<sub>2</sub>O<sub>3</sub> coating.</table>

Advances in Materials Science and Engineering

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Figure 9

Figure 9: Evaluation of Normal and Nanolayer Composite Thermal Barrier Coatings in Fused Vanadate-Sulfate Salts at 1000°C 