Hafnia vs. Monel 400
Hafnia and Monel 400 belong to fundamentally different material chemistries. Hafnia is a ceramic material, while Monel 400 is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (23, in this case) are not shown.
For each property being compared, the top bar is hafnia and the bottom bar is Monel 400.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 9.7 | |
| 8.9 |
| Elastic (Young's, Tensile) Modulus, GPa | 57 | |
| 160 |
| Maximum Temperature: Mechanical, °C | 2800 | |
| 1000 |
| Melting Onset (Solidus), °C | 2900 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 120 | |
| 430 |
| Stiffness to Weight: Axial, points | 3.3 | |
| 10 |
| Stiffness to Weight: Bending, points | 13 | |
| 21 |
| Thermal Conductivity, W/m-K | 1.1 | |
| 23 |
| Thermal Diffusivity, mm2/s | 0.95 | |
| 6.1 |
| Thermal Expansion, µm/m-K | 6.0 | |
| 14 |