Zirconia vs. Granite
Zirconia belongs to the oxide-based engineering ceramics classification, while granite belongs to the natural stone. There are 17 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is zirconia and the bottom bar is granite.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 1260 to 3080 | |
| 2200 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 to 200 | |
| 70 |
| Flexural Strength, MPa | 630 to 970 | |
| 24 |
| Poisson's Ratio | 0.25 to 0.29 | |
| 0.25 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 450 | |
| 39 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 500 to 1330 | |
| 350 |
| Specific Heat Capacity, J/kg-K | 400 to 510 | |
| 840 |
| Thermal Conductivity, W/m-K | 2.2 to 4.3 | |
| 2.7 |
| Thermal Expansion, µm/m-K | 8.8 to 9.5 | |
| 7.4 |
Electrical Properties
| Dielectric Strength (Breakdown Potential), kV/mm | 7.7 to 9.0 | |
| 8.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.7 to 6.0 | |
| 2.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 19 | |
| 14 |
| Stiffness to Weight: Bending, points | 33 to 34 | |
| 48 |
| Strength to Weight: Axial, points | 19 to 22 | |
| 3.8 |
| Strength to Weight: Bending, points | 21 to 23 | |
| 9.0 |
| Thermal Diffusivity, mm2/s | 0.73 to 1.8 | |
| 1.1 |
| Thermal Shock Resistance, points | 15 to 19 | |
| 5.4 |