High-alumina Refractory vs. Aluminum Nitride
High-alumina refractory belongs to the oxide-based engineering ceramics classification, while aluminum nitride belongs to the non-oxide engineering ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is high-alumina refractory and the bottom bar is aluminum nitride.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.1 | |
| 2.9 to 3.3 |
| Flexural Strength, MPa | 28 | |
| 190 to 400 |
| Maximum Temperature: Mechanical, °C | 1200 | |
| 1380 |
| Maximum Thermal Shock, °C | 210 | |
| 220 |
| Specific Heat Capacity, J/kg-K | 800 | |
| 780 |
| Thermal Conductivity, W/m-K | 1.5 | |
| 80 to 190 |
| Thermal Diffusivity, mm2/s | 0.87 | |
| 31 to 74 |
| Thermal Expansion, µm/m-K | 4.3 | |
| 4.2 to 5.4 |