Aluminum Titanate vs. Silicon Nitride
Aluminum titanate belongs to the oxide-based engineering ceramics classification, while silicon nitride belongs to the non-oxide engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is aluminum titanate and the bottom bar is silicon nitride.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 3.2 | |
| 2.2 to 3.4 |
| Elastic (Young's, Tensile) Modulus, GPa | 13 | |
| 140 to 310 |
| Flexural Strength, MPa | 29 | |
| 130 to 810 |
| Fracture Toughness, MPa-m1/2 | 1.0 | |
| 3.1 to 6.2 |
| Maximum Temperature: Mechanical, °C | 1250 | |
| 1000 to 1330 |
| Stiffness to Weight: Axial, points | 2.2 | |
| 34 to 53 |
| Stiffness to Weight: Bending, points | 24 | |
| 65 to 78 |
| Thermal Conductivity, W/m-K | 1.6 | |
| 12 to 31 |
| Thermal Expansion, µm/m-K | 2.9 | |
| 2.5 to 3.2 |