high temperature resistance sisic ceramics beam for bearing structure used to tunnel kiln
Non-oxide Ceramics – Silicon Carbide (SiSiC/SSiC) Beam
A Ceramic Material Hard as Diamond
Silicon carbide behaves almost like a diamond. It is not only the lightest, but also the hardest ceramic material and has excellent thermal conductivity, low thermal expansion and is very resistant to acids and lyes.
Properties of Silicon Carbide (SSiC / SiSiC) Beam
Low density (3.07 to 3.15 g/cm3)
High hardness (HV10 ≥ 22 GPa)
High Young’s modulus (380 to 430 MPa)
High thermal conductivity (120 to 200 W/mK)
Low coefficient of linear expansion
(3.6 to 4.1x10-6/K at 20 to 400°C)
Maximum operating temperature of SSiC under inert gas: 1,800°C
Excellent thermal shock resistance of SiSiC: ΔT 1,100 K
Erodible
Corrosion and wear resistant even at high temperatures
Toxicologically safe
Good gliding properties
Products made from Silicon Carbide (SiSiC/SSiC) Beam
Advanced Ceramic Tubes
Bearing Technology in Automotive Engineering
Mechanical Engineering Special Applications
Pumps, Components for
Regulator Discs
ROCAR®
Seal and Regulator Discs
Seal Rings, Bearings and Sealing
Tubes and Pipe
| Silicon Carbide Product Specification: |
| Item | Unit | SSIC | RBSIC SISIC | R-SIC |
| Purity | ( % ) | ≥ 99 | ≥90% | ≥ 99 |
| Application temperature | ºC | 1700 | 1380 | 1650 |
| Density | g/CM2 | ≥3.10-3.15 | ≥3.02 | 2.65-2.75 |
| Open porosity | % | ≤0.1 | ≤0.1 | |
| Hardness | | ≥92 HRA | 2400 Kg/mm2 | 1800-2000 Kg/mm2 |
| Bending strength | MPa | 400-580 | 250(20ºC) | ≥300 |
| | | | 281(1200ºC) | |
| Tensile strength | Mpa | ≥200 | ≥190 | |
| modulus of elasticity | GPa | 400 | 332(20ºC) | 80-100(20ºC) |
| | | | 300(1200ºC) | 90-110(1200ºC) |
| Thermal Conductivity | W/m.k | 100-120 | 45(1200ºC) | 36 |
| Coefficient of thermal expansion | K1X 106 | 4.2 | 4.5 | 4.6 |
| Rigidity | Gpa | >25 | 13 | |
| Acid&Ikali resistance | | Excellent | Excellent | Excellent |
Photos for reference:
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Yui
WEIFANG BETTER CERAMIC CO., LTD
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