Research Article
Microstructure and Wear Resistance of TIG Remelted NiCrBSi Thick Coatings
Table 2
Grit-blasting, spraying, and remelting process parameters.
| | Process | Parameters | Values |
| | Grit blasting | Air pressure (MPa) | 0.7 | | Blasting distance (mm) | 300 | | Blasting angle (°) | 90 |
| | Plasma spraying | Voltage (V) | 60 | | Current (A) | 500 | | Spraying distance (mm) | 150 | | Cooling of substrate | Air blow | | Gas flow rate (L/min) | Ar(80) | | H2(130) | | Coating thickness (mm) | 0.80 |
| | TIG remelting | Current (A) | 90 | | Arc length (mm) | 2 | | Argon flow (L·min−1) | 10 | | Scanning speed (mm·min−1) | 150 | | Step size (mm) | 3 |
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