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Custom alumina ceramic tubes
Custom alumina ceramic tubes are high-precision components made from Al2O3 Ceramics, a material known for its exceptional mechanical, thermal, and electrical properties. They are widely used in various industries due to their ability to withstand high temperatures, resist chemical corrosion, and maintain dimensional stability.
Key Features of Custom Alumina Ceramic Tubes
1. **High Mechanical Strength**: Alumina ceramic tube can handle significant mechanical stresses, making them ideal for applications requiring durability.
2. **High Thermal Stability**: They can operate at high temperatures without experiencing significant changes in shape or performance, making them suitable for applications involving heat.
3. **Good Electrical Insulation**: These tubes provide excellent insulation properties, making them useful in electrical ceramics applications where insulation is critical.
4. **Corrosion Resistance**: They are resistant to many chemicals, including acids and bases, which makes them suitable for use in harsh environments.
5. **Customizability**: Custom alumina ceramic tubes can be tailored to specific dimensions, shapes, and surface treatments to meet the unique requirements of different applications.
Applications
- **Electronics**: Used in semiconductor manufacturing, as insulators in electronic devices, and in high-voltage switches.
- **Chemical Processing**: In industries requiring resistance to chemical corrosion, such as pharmaceuticals and petrochemicals.
- **Energy**: In power generation systems, particularly in high-temperature applications like gas turbines.
- **Medical Devices**: Due to their biocompatibility, they can be used in medical implants and equipment.
- **Aerospace**: For components that need to withstand extreme temperatures and mechanical stresses.
Manufacturing Process
The production of custom alumina ceramic tubes typically involves several steps:
1. **Raw Material Preparation**: High-purity aluminum oxide powders are selected and processed.
2. **Mixing and Forming**: The powder is mixed with a binding agent, then shaped into the desired form using techniques like extrusion or casting.
3. **Sintering**: The formed pieces are heated in a kiln to fuse the particles together, forming a solid ceramic body.
4. **Post-Sintering Treatment**: This may include grinding, honing, or polishing to achieve the required surface finish and dimensions.
Conclusion
Custom alumina ceramic tubes are versatile components that offer a combination of strength, thermal stability, and chemical resistance, making them indispensable in a wide range of industries. Their precise manufacturing process allows for customization to meet specific application needs, ensuring optimal performance in challenging environments.
Technical Parameters:
| Item | Unit | Al2O3 95％－97％ | Al2O3 99％ |
| Desity | g/cm3 | 3.7 | 3.85 |
| Flexural Strength | Mpa | 300 | 340 |
| Compressive Strength | Mpa | 3400 | 3600 |
| Modulus of Elaslicity | Gpa | 350 | 380 |
| Impact Resistance | Mpa m1/2 | 4.0 | 5 |
| Weibull Moudulus | m | 10.0 | 10 |
| Vickers Hardness | HV0.5 | 1200.0 | 1300 |
| Thermal Expansion Coefficent | 10-6K-1 | 5.0-8.3 | 5.4-8.3 |
| Thermal Conductivity | W/mK | 24 | 27 |
| Thermal Shork Resistance | △T℃ | 250 | 270 |
| Maximum Use Temperature | ℃ | 1600 | 1650 |
| Dielectric Constant | KV/mm | 20 | 25 |
| Open Porosity | % | 0 | 0 |
| Dielectric Constant | ξr | 10 | 10 |
| Dielectric Loss Angle | Tanσ | 0.001 | 0.001 |
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