Coating designation | Type of flame | Nozzle | Porosity (%) |
N1R | Reducing | N1 | 16.7 ± 1.6 |
N1N | Neutral | N1 | 14.7 ± 1.7 |
N1O | Oxidant | N1 | 15.9 ± 1.9 |
N2R | Reducing | N2 | 17.1 ± 1.4 |
N2N | Neutral | N2 | 14.9 ± 2.6 |
N2O | Oxidant | N2 | 18.9 ± 1.9 |
N3R | Reducing | N3 | 6.6 ± 1.2 |
N3N | Neutral | N3 | 6.4 ± 0.7 |
N3O | Oxidant | N3 | 8.0 ± 1.0 |