Corrosion and Wear Properties of Composite Coatings Reinforced with TiB_𝟐 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