Combating Corrosion Degradation of Turbine Materials Using HVOF Sprayed 25% (Cr₃C₂-25(Ni20Cr)) + NiCrAlY Coating

Figure 1

Optical micrograph of substrate materials. (a) Ti-31, (b) Superco-605, and (c) MDN-121.

(a)

(b)

(c)