1.high strength,hardness and fracture toughness 2.stable 3.supersmooth,low wear rate zirconia rods,zirconia ceramic rod
zirconia rods,zirconia ceramic rod
Typical Zirconia characteristics include:
§ High temperature capability up to 2400ºC
§ High density
§ High strength and fracture toughness
§ High hardness and wear resistance
§ Low thermal conductivity (20% that of Alumina)
§ Good chemical resistance
§ Ionic conductivity
Typical Zirconia applications include:
§ Precision ball valve (balls and seats) Pump seals, valves and impellors
§ High density grinding media
§ Oxygen sensors
§ Threadguides
§ Fuel cell membranes
§ Cutting blades
§ Radio frequency heating susceptors
§ Medical prostheses
Metrology components
Property:
Composition | Wt% | 94.8±0.2%ZrO2 5.2±0.2%Y2O3 |
Density | g/cm3 | ≥6.0 |
Hardness(HV) | Kg/mm2 | >1200 |
Bending Strength | Mpa | 1150 |
Fracture toughness | Mpa.m1/2 | ≥9 |
Grain size | μm | ≤0.5 |
Modulus of Elasticity | Gpa | 200 |
Thermal conductivity | W/(m.k) | 3(20-400°) |
Coefficient of thermal expansion | 10-6K-1 | 9.6(20-400°) |
low wear resistant zirconia rods
