SiAlON Ceramic Material
SiAlON, Silicon Aluminum Oxynitride, is an exceptional material for high-temperature applications that are subject to thermal shock. SiAlON Ceramics are an outstanding choice for extreme structural applications with high-temperature exposure.
Applications
- Semiconductor equipment parts
- General industry machinery parts
- Heat resistant parts
- Abrasion resistant parts
Properties
| General properties | Main component purity (wt%) | 90 | |
| Color | Gray | ||
| Density (g/cm3) | 3.2 | ||
| Water absorption (%) | 0 | ||
| Mechanical properties | Bending strength (MPa) | 880 | |
| Young’s modulus (GPa) | 290 | ||
| Vickers hardness (GPa) | 12 | ||
| Thermal properties | Max. operating temperature (°C) | 1300 | |
| Coefficient of thermal expansion (1/°C×10-6) | RT~500°C | 2.4 | |
| RT~800°C | 2.9 | ||
| Coefficient of thermal conductivity (W/m×K) | 27 | ||
| Thermal shock resistance ΔT (°C) | 800 | ||
| Electrical properties | Volume resistivity | 25°C | 1015 |
| 300°C | – | ||
| 500°C | – | ||
| 800°C | – | ||
| Dielectric constant | 10GHz | 8 | |
| Dielectric loss (×10-4) | 14 | ||
| Q factor (×104) | 0.7 | ||
| Dielectric breakdown voltage (KV/mm) | 15 | ||