Alumina vs. Aluminum Titanate
Both alumina and aluminum titanate are oxide-based engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is alumina and the bottom bar is aluminum titanate.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 3.4 to 4.1 | |
| 3.2 |
| Elastic (Young's, Tensile) Modulus, GPa | 220 to 370 | |
| 13 |
| Flexural Strength, MPa | 260 to 430 | |
| 29 |
| Fracture Toughness, MPa-m1/2 | 3.7 to 7.2 | |
| 1.0 |
| Maximum Temperature: Mechanical, °C | 650 to 1730 | |
| 1250 |
| Stiffness to Weight: Axial, points | 35 to 53 | |
| 2.2 |
| Stiffness to Weight: Bending, points | 57 to 62 | |
| 24 |
| Thermal Conductivity, W/m-K | 14 to 30 | |
| 1.6 |
| Thermal Expansion, µm/m-K | 6.7 to 8.2 | |
| 2.9 |