Processing Method | Properties | ||||
Particle Size | Density (g/cm3) | Hardness (VHN) | Hardness (GPa) | ||
Conventional (1600˚C, 10 h) | 45 ± 10 μm | 4.8 (80%) | 660 ± 20 | 6.47 ± 0.20 | |
Conventional (1600˚C, 8 h) | 45 ± 10 μm | 4.5 (75%) | 433 ± 15 | 4.25 ± 0.15 | |
Microwave (1500˚C, 20 min) | 45 ± 10 μm | 4.5 (75%) | 440 ± 17 | 4.32 ± 0.17 | |
Vacuum (1500˚C, 20 min) | 45 ± 10 μm | 4.2 (70%) | 417 ± 18 | 4.09 ± 0.18 | |
Conventional (1450˚C, 2 h) | 40 ± 20 nm | 6.0 (100%) | 1345 ± 25 | 13.19 ± 0.25 |