물성표
| Item | Unit | Si₃N₄ | |
|---|---|---|---|
| SN-D100 | SN-D200 | ||
| Density | g/㎤ | 3.27 | 3.22 |
| Bending Strength | MPa | 816 | 1063 |
| Compressive Strength | MPa | 1979 | 2478 |
| Fracture Toughness | MPa·m1/2 | 6.0 | 7.89 |
| Thermal Shock Resistance |
(℃) | > 500 | > 800 |
| Thermal Expansion Coefficient |
X10-6/℃ | 2.9(at 400℃) 3.4(at 800℃) |
2.55(at 400℃) 3.17(at 800℃) |
| Thermal Conductivity | W/mㆍK | 22.5 | 27.4 |
| Young’s Modulus | GPa | 292 | 294 |
| Poisson’s Ratio | - | 0.27 | 0.29 |
| Hardness | GPa | 17.6 | 18.4 |