Aluminum Titanate vs. Synthetic Sapphire
Both aluminum titanate and synthetic sapphire are oxide-based engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is aluminum titanate and the bottom bar is synthetic sapphire.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 3.2 | |
| 4.0 |
| Elastic (Young's, Tensile) Modulus, GPa | 13 | |
| 450 |
| Flexural Strength, MPa | 29 | |
| 1090 |
| Fracture Toughness, MPa-m1/2 | 1.0 | |
| 1.9 |
| Maximum Temperature: Mechanical, °C | 1250 | |
| 2000 |
| Stiffness to Weight: Axial, points | 2.2 | |
| 63 |
| Stiffness to Weight: Bending, points | 24 | |
| 64 |
| Thermal Conductivity, W/m-K | 1.6 | |
| 30 |
| Thermal Expansion, µm/m-K | 2.9 | |
| 5.3 |