to Zirconia ceramics
to Properties of ceramics
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| Zirconia Ceramic YTZP | ||||
| Chemical composition: yttria (Y2O3 ) stabilized polycrystalline tetragonal zirconia (ZrO2) | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 6.0 *10³ | kg/m³ | 374.5 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 200 | GPa | 29000 | ksi |
| Flexural strength | 900 | MPa | 130500 | psi |
| Compressive strength | 2000 | MPa | 290000 | psi |
| Fracture toughness | 13 | MPa*m½ | 13 | MPa*m½ |
| Hardness | 1300 | HV | 1300 | HV |
| Thermal expansion (20 ºC) | 10.3*10-6 | ºCˉ¹ | 5.7*10-6 | in/(in* ºF) |
| Thermal conductivity | 2 | W/(m*K) | 13.9 | BTU*in/(hr*ft²*ºF) |
| Specific heat capacity | 400 | J/(kg*K) | 0.1 | BTU/(lb*ºF) |
| Max. working temperature | 1500 | ºC | 2730 | ºF |