Advances in Materials Science and Engineering / 2018 / Article / Tab 2

Research Article

Microstructure and Wear Resistance of TIG Remelted NiCrBSi Thick Coatings

Table 2

Grit-blasting, spraying, and remelting process parameters.

ProcessParametersValues

Grit blastingAir pressure (MPa)0.7
Blasting distance (mm)300
Blasting angle (°)90

Plasma sprayingVoltage (V)60
Current (A)500
Spraying distance (mm)150
Cooling of substrateAir blow
Gas flow rate (L/min)Ar(80)
H2(130)
Coating thickness (mm)0.80

TIG remeltingCurrent (A)90
Arc length (mm)2
Argon flow (L·min−1)10
Scanning speed (mm·min−1)150
Step size (mm)3