Research Article
Combating Corrosion Degradation of Turbine Materials Using HVOF Sprayed 25% (Cr3C2-25(Ni20Cr)) + NiCrAlY Coating
Table 2
Composition of the feedstock alloys, coating thickness, and porosity.
| | Chemical composition (wt%) | Particle size (μm)
Shape | Average coating thickness (µm) | Porosity | Microhardness (Hv) |
| 25% (Cr3C2-25(Ni20Cr)) +
75% (Bal Ni-21Cr-8Al-0.5Y) |
Spherical | 306 | <1.5% | 553 |
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