ZrO2 Ceramic rods
Use temperatures up to 2400°C
High density
Low thermal conductivity (20% that of alumina)
Chemical inertness
Resistance to molten metals
Ionic electrical conduction
Wear resistance
High fracture toughness
High hardness
Performance of Zirconia rods
Zirconia ceramic are used in shaft , plunger, high-Pressure cleaning machines. sealing structure, auto mobile Industrial, oil drilling equipment, Insulation parts in electrical equipment , ceramic knife, ceramic hair clipper spare parts, with high density, bending strength and breaking tenacity. | |||
Zirconia ceramics performance | Density | g/cm3 | 6.05 |
Water absorption | % | <0.05 | |
Firing temperature | °C | 1550 | |
Hardness | HV | 1350 | |
Bending strength | MPa | 950 | |
Compression strength | Mpa | 25000 | |
Breaking tenacity | Mpa·m1/2 | 6-8 | |
Hot expansion coefficient | /°C | 9.5x10-6 | |
Processing technology | |||
Process range (mm) | |||
Outside Diameter | 1---300 | ||
Inside Diameter | 0.5---300 | ||
Length | 0.5---800 | ||
Accuracy of working (mm) | |||
Perpendicularity | 0.01 | ||
Concentricity | 0.01 | ||
Roundness | 0.005 | ||
Straightness | 0.005 | ||
Parallelism | 0.01 | ||
Planeness | 0.005 | ||
Roughness | 0.05 | ||
Fit clearance | 0.005 | ||
