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

Figure 7

Plots of weight gain per unit area as a function of number of hot corrosion cycles. (a) Uncoated samples, (b) 25% (Cr₃C₂-25(Ni20Cr)) + NiCrAlY coated substrates.

(a)

(b)