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

Figure 10

XRD patterns of (a) normal YSZ layer, (b) YSZ as inner layer of YSZ/normal Al₂O₃ coating, and (c) YSZ as inner layer of YSZ/nano-Al₂O₃ coating after hot corrosion testing.

(a)

(b)

(c)