Research Article
Corrosion and Wear Properties of Composite Coatings Reinforced with Particles Produced by PTA on Steel Substrate in Different Atmospheres
Table 1
P.T.A. operation parameters.
| | TiB2 | TiB2 + N (Nitrogen-enriched TiB2) |
| Current I | 80 A | 80 A | Scanning speed | 2 mm/s | 2 mm/s | Electrode set back | 0 mm | 0 mm | Working distance | 2.34 mm | 2.34 mm | Plasma gas | 0.7 L/min Ar | 0.7 L/min Ar + 5% N2 | Shielding gas | 7.1 L/min Ar | 7.1 L/min Ar + 5% N2 | Electrode diameter (W-2% Ce2O) | 2.4 mm | 2.4 mm | Tip diameter | 2.36 mm | 2.36 mm | Lateral step | 2.34 mm | 2.34 mm |
|
|