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