SIC Silicon Carbide High Temperature Vacuum Sintering Protective Atmosphere Heat Treatment Furnace
SIC silicon carbide high temperature vacuum sintering atmosphere protective furnace
About SiC:
One of the lightest, hardest, and strongest technical ceramic materials, SiC orcarborundum, has exceptional thermal conductivity, resistance to acids, and low thermal expansion.
| Compound Formula | SiC |
| Molecular Weight | 40.1 |
| Appearance | Black |
| Melting Point | 2,730° C (4,946° F) (decomposes) |
| Density | 3.0 to 3.2 g/cm3 |
| Electrical Resistivity | 1 to 4 10x Ω-m |
| Poisson’s Ratio | 0.15 to 0.21 |
| Specific Heat | 670 to 1180 J/kg-K |
Functions of RDE sintering furnace:
- Ar Negative Pressure Dewaxing/H2 Micro Positive Pressure Dewaxing
- Vacuum Sintering
- Partial Pressure Sintering
- Pressure Sintering
- Rapid Cooling
- High temperature&high pressure(up to 98bar)
Silicon Carbide is among the hardest of ceramics, and retains hardness and strength at elevated temperatures, which translates into among the best wear resistance. Additionally, SiC has a high thermal conductivity, especially in the CVD (chemical vapor deposition) grade, which aids in thermal shock resistance. It is also half the weight of steel.Based on this, SiC is often specified for seal faces and high performance pump parts.
Applications of SiC
Its physical hardness makes it ideal to be used in abrasive machining processes like grinding, honing, sand blasting and water jet cutting. On top of that, it has also been used in the manufacture of ceramic brake discs for sports cars, bulletproof vests, seal ring material for pump shaft sealing where it frequently runs at high speed in contact with a similar silicon carbide seal.
| Furnace Type | Max Working pressure:58bar/98bar | |||
| RDE-3312-N | RDE-4412-N | RDE-5512-N | RDE-5518-N | |
| Usable Space (W*H*L) | 300*300*1200mm | 400*400*1200mm | 500*500*1200mm | 500*500*1800mm |
| Max.Charge Load | 300kg | 500kg | 1200kg | 1500kg |
| Power Rating | 320KVA | 320KVA | 430KVA | 600KVA |
| Heating Zone | 2/3 Zones | 3 Zones | 3 Zones | 3 /4 Zones |
| Cooling time | ≤5h | ≤6h | ≤7h | ≤8h |
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Empty furnace, cooling from sintering temperature 2100℃ to 100℃. (water temperature≤26℃, water pressure 2-3bar, 55bar(95bar)≤Ar pressure≤58bar(98bar). |
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| Service Life | 20years/6000furnace cycles | |||
| Max. Working Temp | 2200℃ | |||
| Temperature Measurement | Special design High temperature W-Re5/26 Thermocouple | |||
| Max Vacuum Degree | 1Pa (under cold, empty, dry furnace) | |||
| Leakage Rate | 3Pa/h (Average value under cold, empty, dry furnace) | |||
| Wax Collection | ≥98%(Argon gas negative dewaxing, 3-time average value) | |||
| Forming Agent | Paraffin,PEG,Rubber,(C12H22O5)n etc. | |||
| Input gas | N2, H2 | |||
| Functions |
Ar Negative Pressure Dewaxing/H2 Micro Positive Pressure Dewaxing Vacuum Sintering Partial Pressure Sintering (Static, Dynamic) Pressure Sintering Rapid Cooling |
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