Ferrite vs. Aluminum Nitride
Ferrite belongs to the oxide-based engineering ceramics classification, while aluminum nitride belongs to the non-oxide engineering ceramics. There are 14 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ferrite and the bottom bar is aluminum nitride.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 430 to 2000 | |
| 2100 |
| Elastic (Young's, Tensile) Modulus, GPa | 120 to 140 | |
| 330 |
| Flexural Strength, MPa | 120 to 150 | |
| 190 to 400 |
| Fracture Toughness, MPa-m1/2 | 1.4 to 1.5 | |
| 2.9 |
| Knoop Hardness | 630 to 700 | |
| 1160 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 710 to 1050 | |
| 780 |
| Thermal Conductivity, W/m-K | 3.9 to 6.3 | |
| 80 to 190 |
| Thermal Expansion, µm/m-K | 8.0 to 9.3 | |
| 4.2 to 5.4 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 12 to 270 | |
| 6.9 to 28 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 1.0 to 1.5 | |
| 10 to 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.7 to 4.8 | |
| 2.9 to 3.3 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 to 16 | |
| 55 to 63 |
| Stiffness to Weight: Bending, points | 35 to 36 | |
| 69 to 80 |
| Thermal Diffusivity, mm2/s | 0.78 to 1.9 | |
| 31 to 74 |