Zirconia vs. Ferrite
Both zirconia and ferrite 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 zirconia and the bottom bar is ferrite.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 1260 to 3080 | |
| 430 to 2000 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 to 200 | |
| 120 to 140 |
| Flexural Strength, MPa | 630 to 970 | |
| 120 to 150 |
| Fracture Toughness, MPa-m1/2 | 8.0 to 11 | |
| 1.4 to 1.5 |
| Knoop Hardness | 1210 to 1300 | |
| 630 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 450 | |
| 48 to 71 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 400 to 510 | |
| 710 to 1050 |
| Thermal Conductivity, W/m-K | 2.2 to 4.3 | |
| 3.9 to 6.3 |
| Thermal Expansion, µm/m-K | 8.8 to 9.5 | |
| 8.0 to 9.3 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 28 | |
| 12 to 270 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 4.5 to 11 | |
| 1.0 to 1.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.7 to 6.0 | |
| 4.7 to 4.8 |
Common Calculations
| Stiffness to Weight: Axial, points | 19 | |
| 15 to 16 |
| Stiffness to Weight: Bending, points | 33 to 34 | |
| 35 to 36 |
| Strength to Weight: Axial, points | 19 to 22 | |
| 2.8 to 4.1 |
| Strength to Weight: Bending, points | 21 to 23 | |
| 6.2 to 8.0 |
| Thermal Diffusivity, mm2/s | 0.73 to 1.8 | |
| 0.78 to 1.9 |
| Thermal Shock Resistance, points | 15 to 19 | |
| 3.0 to 4.6 |