Introduction Zirconia ceramic sleeve
Zirconia sleeve or zirconia ceramic sleeve, which is also called zirconia ceramic axle sleeve or zirconia ceramic shaft sleeve is widely used in many industries. Zirconium oxide ceramics are white, yellow or gray when containing impurities, and generally contain HfO 2, which is not easily separated. Pure ZrO2 has three crystal states under normal pressure. The production of zirconia ceramics requires the preparation of high-purity, good dispersion properties, ultra-fine particles, narrow particle size distribution, zirconia ultrafine powder preparation methods, zirconia purification mainly chlorination and thermal decomposition, alkali metal Oxidative decomposition method, lime melting method, plasma arc method, precipitation method, colloid method, hydrolysis method, spray pyrolysis etc.
Characteristics Zirconia ceramic sleeve
- High strength and hardness
- Good wear resistance
- Insulation, corrosion resistance
- High lubrication and low resistance
Technical Data Sheet of Zirconia ceramic sleeve
Item | Test condition | Unit | Zirconia Ceramic |
Chemical ingredients | ZrO2:95% Y2O3:5% | ||
Bulk Density | g/cm3 | 6.0 | |
Max. Use Temp. | 1300℃ | ||
Water absorption | % | 0 | |
ROHS Hardness | HRA | ≥83 | |
Compressive Strength | 20℃ | Kgf/cm2 | 25000 |
Fracture Toughness | Mpa m^3/2 | 6-8 | |
Coefficient of thermal expansion | 1X10^-6/℃ | 9.5 | |
Thermal Shock Resistance | ^Tc | ℃ | 360 |
Volume Resistivity | 20℃ | ohm-cm | >10^12 |