5.95g/Cm3 To 6.0g/Cm3 Zirconia Ceramic Tube Fracture Toughness Insulating Ceramic Ring
Zirconia Ceramic Tube Insulating Ceramic Ring
Properties
| Properties | Units | 95 Alumina | 99 Alumina | ZrO2 |
| Density | g / cm³ | 3.65 | 3.92 | 5.95-6.0g/cm³ |
| Water absorption | % | 0 | 0 | 0 |
| Coefficient of thermal expansion | 10-6/K | 7.9 | 8.5 | 10.5 |
| Modulus of Elasticity Young's Mod | GPa | 280 | 340 | 210 |
| Poisson's ratio | / | 0.21 | 0.22 | 0.3 |
| HV Hardness | MPa | 1400 | 1650 | 1300-1365 |
| Flexural Strength at room temperature | MPa | 280 | 310 | 950 |
| Flexural Strength at 700°C | MPa | 220 | 230 | 210 |
| Compressive Strength at room temperature | MPa | 2000 | 2200 | 2000 |
| Fracture Toughness | MPa *m 1/2 | 3.8 | 4.2 | 10 |
| Heat conductivity at room temperature | W/m*k | 18-25 | 26-30 | 2-2.2 |
| Electrical Resistivity at room temperature | Ω*mm2 /m | >1015 | >1016 | >1015 |
| Max use temperature | °C | 1500 | 1750 | 1700-2200 |
| Resistance to acid and alkali | / | high | high | high |
| Dielectric Constant | / | 9.5 | 9.8 | 26 |
| Dielectric Strength | KV/mm | 16 | 22 | / |
| Thermal Shock Resistance | △ T ( °C ) | 220 | 180-200 | 280-350 |
| Tensile Strength at 25 °C | MPa | 200 | 248 | 252 |
Feautures
1. High strength: Due to its high density and sintering temperature, zirconia ceramic tube has high mechanical strength, up to 2000MPa, which is higher than that of alumina ceramics and metal materials.
2. High wear resistance: The zirconia ceramic tube has good wear resistance, which is 10 times higher than that of alumina ceramic and metal materials.
3. High temperature resistance: The zirconia ceramic tube has a high melting point of up to 2700°C, which is much higher than that of alumina ceramic and metal materials.
4. Corrosion resistance: The zirconia ceramic tube has good corrosion resistance, which is 5 times higher than that of alumina ceramic.
5. Low thermal conductivity: The zirconia ceramic tube has low thermal conductivity, which is about 1/10 of that of alumina ceramic.
6. Low dielectric constant: The zirconia ceramic tube has low dielectric constant, which is about 1/3 of that of alumina ceramic.
7. Low thermal expansion coefficient: The zirconia ceramic tube has low thermal expansion coefficient, which is about 1/10 of that of alumina ceramic.
Application Range Of Zirconia Ceramics
1. Medical Devices:
- Dental Implants: Zirconia ceramics are widely used in dental implants due to their high strength, toughness, and excellent biocompatibility with the human body.
- Artificial Joints: They are also used in the production of artificial joints and other biomedical implants due to their wear resistance and corrosion resistance.
2. Industrial Applications:
- Cutting Tools: The high hardness and wear resistance of zirconia ceramics make them suitable for manufacturing cutting tools, such as blades, drill bits, and shearing tools.
- Wear-Resistant Components: Zirconia ceramics are used in industrial equipment for producing wear-resistant parts like bearings, seals, and pump components.
3. High-Temperature Applications:
- Refractory Materials: Due to their high melting point and temperature resistance, zirconia ceramics are used to produce linings, nozzles, and other refractory materials for high-temperature furnaces.
- Smelting Equipment: In the metallurgy industry, zirconia ceramics are used in crucibles and molds for smelting equipment.
4. Electronics and Electrical Components:
- Zirconia Sensors: Zirconia is used to manufacture oxygen sensors, widely applied in automotive emission control systems and industrial gas analysis.
- Insulating Materials: Due to their excellent electrical insulation properties, zirconia ceramics are used as insulating materials in high-temperature environments.
5. Energy Sector:
- Solid Oxide Fuel Cells (SOFC): Zirconia ceramics serve as electrolyte materials in solid oxide fuel cells, playing a crucial role due to their high ionic conductivity and thermal stability.
6. Luxury Goods and Decorative Items:
- Jewelry: Zirconia ceramics are used as diamond substitutes, particularly in the production of synthetic gemstones like cubic zirconia (CZ), which resemble natural diamonds in luster and hardness.
- High-End Watches: They are used in the production of cases and straps for high-end watches due to their scratch resistance and aesthetic appeal.
7. Aerospace:
- Thermal Barrier Coatings: In the aerospace industry, zirconia ceramics are used as thermal barrier coatings on turbine engines and other high-temperature components to protect metal substrates from heat damage.
FAQ
Q1: Are you a manufacturer or a trader?
A1: We are a real manufacturer, our factory is specialized in producing refractory materials for more than 20 years. We promise to provide the best price, the best pre-sale and after-sale service.
Q2: How do you control your quality?
A2: For each production process, LJ has a complete QC system for chemical composition and physical properties. And we will test the goods, and the quality certificate will be shipped with the goods. If you have special requirements, we will try our best to accommodate them.
Q3: What is your delivery time?
A3: Depending on the quantity, our delivery time is different. But we promise to ship as soon as possible with guaranteed quality.
Q4: Do you provide free samples?
A4: Of course, we provide free samples.
Q5: Can we visit your company?
A5: Yes, of course, you are welcome to visit LJ company and our products.
Q6: What is the MOQ for trial order?
A6: There is no limit, we can provide the best suggestion and solution according to your situation.
Q7: Why choose us?
A7: We have been making refractory materials for more than 20 years, we have strong technical support and rich experience, we can help customers design different kilns and provide one-stop service.
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