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| Parameter | SSiC | RBSiC | Carbide SiC |
| Purity( % ) | >97 | >90 | 30% |
| Hardness( HRA ) | 90 | 90 | 85 |
| Grain Size( um ) | 0.5-0.7 | 8-20 | 20-40 |
| Density( g/cm3 ) | 3.06-3.15 | >3.05 | >2.65 |
| Bend Strength( MPa ) | 400-580 | 350-450 | 200 |
| Compressive Strength(MPa) | 3900 | >2500 | 1800 |
| Fracture Toughness( MPA ) | 3.05-4.6 | 4.3 | |
| Elastic Modulus( GPa ) | 380-410 | 420 | |
| Thermal Conductivity(W/M.K) | 102.6 | 35-110 | 125 |
| Coefficient of heat Expansion( L/°C ) | 4.02x10-6 | 4.3x10-6 | 3x10-6 |
| Poisson Ratio | 0.14 | 0.15 |
Main Performance Index of Silicon Carbide(SIC)
| Purity(SIC percentage)%: | 90 |
| Density(g/cm3): | 3.05 |
| Hardness(HS): | 110-125 |
| Elastic modulus(MPa) : | 4.12×105 |
| Poisson ratio : | 0.15 |
| Tensile strength(MPa) : | 2.75×102 |
| Bending strength (MPa) : | 4.41×102 |
| Compression strength (MPa) : | 2.94×103 |
| Thermal conductivity(cal/cm.s.) : | 0.30 |
| Coefficient of thermal expansion(l/) : | 4.3×10-6 |
| Heat resistance(in the atmosphere) : | 1600C |
| Thermal impact coefficient(cal/cm.sec) : | 46.5 |
| Acid resistance: | 5 times higher than the usual WC |
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