Silicon Carbide Material Properties
Silicon Carbide (SiC), is a ceramic also known as carborundum that offers superior heat resistance maintaining high mechanical strength in temperatures reaching 1400° C. Additional properties include extreme hardness, good fatigue resistance, high thermal conductivity, low coefficient of thermal expansion, high chemical inertia and resistance to corrosion. The relatively high thermal conductivity and low coefficient of thermal expansion result in favorable thermal shock resistance when compared to other ceramic materials.
Applications for precision balls include: bearings, pumps, electronics, sensors, medical devices
Silicon Carbide
| MECHANICAL PROPERTIES | |
|---|---|
| density | 3.1 g/cm3 |
| porosity | 0% |
| color | black |
| flexural strength | 550 MPa |
| elastic modulus | 410 GPa |
| Poisson’s ratio | 0.14 |
| compressive strength | 3900 MPa |
| hardness | 2800 Kg/mm2 |
| Fracture Toughness KIC | 4.6 MPa•m1/2 |
| Maximum Use Temperature (no load) | 1650 °C |
| THERMAL PROPERTIES | |
| thermal conductivity | 120 W/m•K |
| coefficient of thermal expansion | 4.0 x10–6/°C |
| specific heat | 750 J/Kg•K |
| ELECTRICAL PROPERTIES | |
| dielectric strength | semiconductor |
| volume resistivity | 102–106 ohm•cm |
