Ceria vs. Hafnia
Both ceria and hafnia are oxide-based engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ceria and the bottom bar is hafnia.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 7.6 | |
| 9.7 |
| Elastic (Young's, Tensile) Modulus, GPa | 180 | |
| 57 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 4.0 | |
| 9.0 |
| Maximum Temperature: Mechanical, °C | 1900 | |
| 2800 |
| Melting Onset (Solidus), °C | 2340 | |
| 2900 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 120 |
| Stiffness to Weight: Axial, points | 13 | |
| 3.3 |
| Stiffness to Weight: Bending, points | 25 | |
| 13 |
| Thermal Expansion, µm/m-K | 11 | |
| 6.0 |