Research Article
Hot Corrosion Behaviour of Detonation Gun Sprayed
Al2O3-40TiO2 Coating on Nickel Based Superalloys at 900°C
Table 3
Parameter used in Detonation Gun Spray.
| | Parameters | Al2O3-40TiO2 coating |
| | Oxygen flow rate (O2) | 4,800 SLPH | | Pressure | 0.2 MPa | | Acetylene flow rate (C2H2) | 1920 SLPH | | Pressure | 0.14 MPa | | Nitrogen flow rate (N2) | 800 SLPH | | Pressure | 0.4 MPa | | Spray angle | 90° | | Spray distance | 200 mm | | Power | 450 VA | | Wire rate | 1–10 Hz | | Coating thickness (average) | 250 m |
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