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Grade: Reaction Bonded
Formula: SiC
Form: Rod
Material: Silicon Carbide
Commodity: Ceramics
Reaction Bonded Silicon Carbide (SiSiC) Rod delivers exceptional hardness, high thermal conductivity, and outstanding wear resistance in a robust cylindrical form. The reaction bonding process results in near-zero porosity, ensuring strength retention at elevated temperatures and excellent resistance to thermal shock. Industries employ SiSiC rods in mechanical seal faces, precision rollers, and high-wear structural components within chemical processing, mining, and semiconductor manufacturing. Specific applications include pump shaft sleeves in corrosive slurries, high-temperature kiln furniture supports, and precision guiding rods in abrasive material handling. In research, SiSiC rods are utilized to investigate high-temperature fracture mechanics, develop advanced coatings for wear resistance, and test structural reliability under severe thermal cycling. The rod format’s machinability in green form and performance in service make it indispensable in both heavy-duty industrial and advanced engineering contexts.
Tolerances
Rod
| Diameter | +20% / -10% |
|---|
Material Properties for Ceramics
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good |
| Acids - dilute | Good |
| Alkalis | Fair |
| Halogens | Fair |
| Metals | Fair |
Physical Properties
| Element | Value |
|---|---|
| Apparent porosity( % ) | 0 |
| Density( gcm⁻³ ) | 3.1 |
Thermal Properties
| Element | Value |
|---|---|
| Upper continuous use temperature( C ) | 1350 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1100@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 150-200@20°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 4.3-4.6@20-1000°C |
Mechanical Properties
| Element | Value |
|---|---|
| Tensile modulus( GPa ) | 410 |
| Hardness - Vickers( kgf mm⁻² ) | 2500-3500 |
| Tensile strength( MPa ) | 310 |
Pultrusions
| Element | Value |
|---|---|
| Compressive strength( MPa ) | 2000-3500 |
Electrical Properties
| Element | Value |
|---|---|
| Volume resistivity( Ohmcm ) | 10²-10³@25 |
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