Zirconia（ZrO2）
Zirconia has the highest mechanical strength and toughness among fine ceramics.
One characteristic of zirconia ceramics is the ease with which they can be combined with metal due to a coefficient of thermal expansion close to metal.
Characteristics Chart
Mechanical characteristics:
| Characteristics | Density g/cm3 |
Coefficient of elasticity GPa |
Bending strength MPa |
Hardness GPa |
Fracture toughness MPa√m |
|
|---|---|---|---|---|---|---|
| Standard product | AYZ-3 | 6.0 | 200 | 1000 | 13 | 6 |
Heat/electrical characteristics
| Characteristics | Coefficient of thermal expansion ×10-6/K |
Thermal shock resistance K |
Coefficient of thermal conductivity W/m・K |
Electrical resistance Ω・cm |
Dielectric strength kV/mm |
Dielectric constant | Dielectric loss ×10-4 |
|
|---|---|---|---|---|---|---|---|---|
| Standard product | AYZ-3 | 10 | 280 | 3 | 1012 | >10 | 35 | 20 |
Usage
- Abrasion-resistant components of powder and slurry handling equipment
- Several types of pumps and valve components
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