The Role of Nanostructured Al₂O₃ Layer in Reduction of Hot Corrosion Products in Normal YSZ Layer

Figure 3

Cross-section of two types of as-sprayed TBCs. (a) Inconel 738/NiCrAlY/normal YSZ/nano-Al₂O₃ and (b) Inconel 738/NiCrAlY/normal YSZ.

(a)

(b)