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CeramTec Rocar® SiF Silicon Carbide, SiSiC
| Category | Ceramic , Carbide |
| Manufacturer | CeramTec North America |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | CeramTec Rocar® SiF Silicon Carbide, SiSiC.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Rocar® is an extremely lightweight silicon carbide ceramic. It permits a reduction in mass forces at high speeds, and is considered for its hardness, excellent resistance to corrosion and sudden changes in temperature, excellent anti-friction properties, and higher heat conductivity over steel. The various types of Rocar include sintered and silicon infiltrated silicon carbide. In SiSiC, the pore cavities are filled with metallic silicon. Since shrinkage during firing is minimal, complex components can be produced with low tolerances. It maximum application temperature is 1350°C. However, it is not suitable for use in highly alkaline media because of its content of metallic silicon.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.07 g/cc | 0.111 lb/in³ | DIN EN 623-2 / ASTM-C373 / ASTM-C20 |
| Water Absorption | 0.00 % | 0.00 % | DIN EN 623-2 / ASTM-C373 |
| Porosity | 0.00 % | 0.00 % | Closed (approximate) |
| Permeability | 0.00 | 0.00 | Gas |
| Weibull Modulus | >= 14 | >= 14 | DINV ENV 843-5 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Vickers Microhardness | 1200 | 1200 | HV 0.2; Si; DINV ENV 843-4 |
| 2700 | 2700 | HV 0.2; SiC; DINV ENV 843-4 | |
| Tensile Strength at Break | 350 MPa | 50800 psi | ACMA Test #4 / DIN EN 843-1 |
| Tensile Modulus | 395 GPa | 57300 ksi | Young's; DINV ENV 843-2 / ASTM-F417 |
| Flexural Strength | 350 MPa @Temperature 20.0 °C |
50800 psi @Temperature 68.0 °F |
DIN EN 843-1 |
| 350 MPa @Temperature 1000 °C |
50800 psi @Temperature 1830 °F |
DIN EN 820-1 | |
| Compressive Strength | 3500 MPa | 508000 psi | ASTM C-773-88 / DIN 51067T1 |
| Poissons Ratio | 0.17 | 0.17 | DINV ENV 843-2 |
| Fracture Toughness | 4.00 MPa-m½ | 3.64 ksi-in½ | DIN 51109 |
| Shear Modulus | 169 GPa | 24500 ksi | Calculated |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 3.80 µm/m-°C @Temperature 20.0 - 200 °C |
2.11 µin/in-°F @Temperature 68.0 - 392 °F |
DIN EN 821-1 |
| 4.30 µm/m-°C @Temperature 20.0 - 400 °C |
2.39 µin/in-°F @Temperature 68.0 - 752 °F |
DIN EN 821-1 | |
| 4.50 µm/m-°C @Temperature 20.0 - 600 °C |
2.50 µin/in-°F @Temperature 68.0 - 1110 °F |
DIN EN 821-1 | |
| 4.90 µm/m-°C @Temperature 20.0 - 1000 °C |
2.72 µin/in-°F @Temperature 68.0 - 1830 °F |
DIN EN 821-1 | |
| Specific Heat Capacity | 0.700 J/g-°C @Temperature 100 - 200 °C |
0.167 BTU/lb-°F @Temperature 212 - 392 °F |
DINV ENV 821-3 |
| 1.30 J/g-°C @Temperature 1000 °C |
0.311 BTU/lb-°F @Temperature 1830 °F |
DINV ENV 821-3 | |
| Thermal Conductivity | 40.0 W/m-K @Temperature 1000 °C |
278 BTU-in/hr-ft²-°F @Temperature 1830 °F |
DIN EN 821-2 |
| 120 W/m-K @Temperature 20.0 - 100 °C |
833 BTU-in/hr-ft²-°F @Temperature 68.0 - 212 °F |
DIN EN 821-2 / ASTM-C408 | |
| Maximum Service Temperature, Air | 1350 °C | 2460 °F | |
| Maximum Service Temperature, Inert | 1350 °C | 2460 °F |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | <= 1.0 ohm-cm @Temperature 20.0 °C |
<= 1.0 ohm-cm @Temperature 68.0 °F |
IEC 672-1 |
| 100 ohm-cm @Temperature 400 °C |
100 ohm-cm @Temperature 752 °F |
IEC 672-1 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Black | |
| Ra = Arithmetic Mean Roughness Value (µm) | Profilometer (0.8 mm Cutoff) |
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