| Picture No. | Phase name | Sight area S, µMa | Number of grains counted, n | The greatest Grain Dmax.. µM | The smallest Grain Dmin. µM | Grains Dmid. µM | Phase content % |
| 17 | SiC | 1740 | 85 | 33.3 | 2.70 | 4.80 | 26.8 |
| 13 | SiC | 3225 | 300 | 23.0 | 2.75 | 4.90 | 27.6 |
| Average |
|
|
|
|
| 4.85 | 27.2 |
| 5 | SIALON | 35,500 | 250 | 19.6 | 5.50 | 8.60 | 53.0 |
| 32 | SIALON | 8200 | 200 | 24.3 | 5.80 | 7.50 | 59.8 |
| 26 | SIALON | 1400 | 220 | 21.7 | 5.30 | 8.50 | 59.3 |
| Average |
|
|
|
|
| 8.20 | 57.4 |
| 5 | Al2O3 | 35,500 | 60 | 2.6 | 1.27 | 1.93 | 6.0 |
| The overall average size of the grains |
|
|
|
|
| 5.00 |
|