Research Article
Improvement of Surface Properties of Inconel718 by HVOF Coating with WC-Metal Powder and by Laser Heat Treatment of the Coating
Table 3
Improvement of surface properties by coating and LH coating.
| Surface | In718 | Coating | LH coating |
| Surface hardness (Hv) | 400 ± 10 | 980 ± 100 | 1430 ± 90 | Porosity (%) | 0.00 | 2.5 ± 0.5 | 0.35 ± 0.05 | Friction coefficient | 0.45 ± 0.08 | 0.32 ± 0.02 | 0.20 ± 0.03 |
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