Ferrite vs. Zirconia
Both ferrite and zirconia are oxide-based engineering ceramics. There are 18 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ferrite and the bottom bar is zirconia.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 430 to 2000 | |
| 1260 to 3080 |
| Elastic (Young's, Tensile) Modulus, GPa | 120 to 140 | |
| 190 to 200 |
| Flexural Strength, MPa | 120 to 150 | |
| 630 to 970 |
| Fracture Toughness, MPa-m1/2 | 1.4 to 1.5 | |
| 8.0 to 11 |
| Knoop Hardness | 630 to 700 | |
| 1210 to 1300 |
| Tensile Strength: Ultimate (UTS), MPa | 48 to 71 | |
| 410 to 450 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 710 to 1050 | |
| 400 to 510 |
| Thermal Conductivity, W/m-K | 3.9 to 6.3 | |
| 2.2 to 4.3 |
| Thermal Expansion, µm/m-K | 8.0 to 9.3 | |
| 8.8 to 9.5 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 12 to 270 | |
| 28 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 1.0 to 1.5 | |
| 4.5 to 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.7 to 4.8 | |
| 5.7 to 6.0 |
Common Calculations
| Stiffness to Weight: Axial, points | 15 to 16 | |
| 19 |
| Stiffness to Weight: Bending, points | 35 to 36 | |
| 33 to 34 |
| Strength to Weight: Axial, points | 2.8 to 4.1 | |
| 19 to 22 |
| Strength to Weight: Bending, points | 6.2 to 8.0 | |
| 21 to 23 |
| Thermal Diffusivity, mm2/s | 0.78 to 1.9 | |
| 0.73 to 1.8 |
| Thermal Shock Resistance, points | 3.0 to 4.6 | |
| 15 to 19 |