Standard Order | Run Order | Temperature (˚C) | Soaking Time (hrs) | Particle Size (µm) | Average Microhardness (HRB) | S/N Ratio of Hardness (dB) |
6 | 1 | 870 | 3 | 45 | 85 | 38.59 |
5 | 2 | 870 | 6 | 60 | 81 | 38.17 |
1 | 3 | 870 | 9 | 90 | 86 | 38.69 |
3 | 4 | 910 | 3 | 60 | 88 | 38.89 |
9 | 5 | 910 | 6 | 90 | 91 | 39.18 |
8 | 6 | 910 | 9 | 45 | 92 | 39.28 |
2 | 7 | 940 | 3 | 90 | 88 | 38.89 |
7 | 8 | 940 | 6 | 45 | 89 | 39.99 |
4 | 9 | 940 | 9 | 60 | 84 | 38.49 |