Advantages of ZrO2 Ceramic Ball
High hardness
Good wear resistance
High mechanical strength
Low wear loss
Corrosion resistance
Non-conducted, low thermal conduction
High thermal expansion rate
Non-greased and self lubrication
Applications
Special bearings, high-speed bearings, under vacuum pumps, pumps and valves in corrosive environments, compressors, centrifugal pumps, shafts/mandrill, recirculation balls, flow meters, measurement instruments, pump jacks. They are used in aerospace and military industry.
Item | unit | Zirconium | |
Chemical composition | Y2O3 | % | 5.21 |
FeO3 | <0.001 | ||
Na2O | <0.001 | ||
SiO2 | <0.001 | ||
TiO2 | <0.001 | ||
| ZrO2 | >94 | |
Density | g/cm3 | ≥6.0 | |
Hardness | Kg/mm2 | 1100~1300 | |
Bending strength | Mpa | >950 | |
Fracture toughness | Mpa.m-3/2 | 8.0~10.0 | |
Elastics modulus | Gpa | 210 |