Properties
• Good mechanical strength
• Good thermal conductivity
• High electrical resistivity
• High hardness
• Good wear resistant
• Chemically inert
Applications
• Electric Insulators
• Laboratory devices
• Telecommunication equipment
• Electronical Devices
• Spatial
• Foundry Cores
• Optical Instruments
PHYSICAL AND MECHANICAL PROPERTIES
| Density | >3.9 g/cm3 | |
| Grain size after sintering | 2.2 μm | |
| 4-pt bending strength | 397 MPa | |
| Weibull modulus | 14.сен | |
| Theorical Young modulus | 300 GPa | |
| Vickers hardness | 16.4 GPa | |
Fracture toughness | 4 MPa.m^1/2 | |
| Thermal properties from -50°C to 60 °C | ||
| Thermal conductivity at RT | 23.3 W/m.K | |
Thermal expansion coefficient | at -50 °C | 3.74 *10^-6 K^-1 |
| at 20 °C | 4.98 *10^-6 K^-1 | |
| at 60°C | 5.51 *10^-6 K^-1 | |
