Silicon Carbide vs. Ferrite
Silicon carbide belongs to the non-oxide engineering ceramics classification, while ferrite belongs to the oxide-based engineering ceramics. There are 17 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 silicon carbide and the bottom bar is ferrite.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 2780 to 3900 | |
| 430 to 2000 |
| Elastic (Young's, Tensile) Modulus, GPa | 370 to 490 | |
| 120 to 140 |
| Flexural Strength, MPa | 410 to 600 | |
| 120 to 150 |
| Fracture Toughness, MPa-m1/2 | 3.4 to 4.6 | |
| 1.4 to 1.5 |
| Knoop Hardness | 2500 to 2900 | |
| 630 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 370 | |
| 48 to 71 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 670 to 1180 | |
| 710 to 1050 |
| Thermal Conductivity, W/m-K | 120 to 170 | |
| 3.9 to 6.3 |
| Thermal Expansion, µm/m-K | 4.0 to 4.5 | |
| 8.0 to 9.3 |
Electrical Properties
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 0.94 to 3.3 | |
| 1.0 to 1.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 3.0 to 3.2 | |
| 4.7 to 4.8 |
Common Calculations
| Stiffness to Weight: Axial, points | 69 to 84 | |
| 15 to 16 |
| Stiffness to Weight: Bending, points | 79 to 82 | |
| 35 to 36 |
| Strength to Weight: Axial, points | 18 to 34 | |
| 2.8 to 4.1 |
| Strength to Weight: Bending, points | 24 to 38 | |
| 6.2 to 8.0 |
| Thermal Diffusivity, mm2/s | 38 to 79 | |
| 0.78 to 1.9 |
| Thermal Shock Resistance, points | 6.9 to 18 | |
| 3.0 to 4.6 |