Zirconia (ZrO2)
| Properties (ZrO2) | |
| Transmission Range | 0.38... 7 µm |
| Refractive Index | n = 2.15026 @0.643 µm; 2.07203 @3.3 µm |
| Reflective Loss | 24% @3.3 µm |
| Reststrahlen | |
| Density | 5.9 g/cm3 |
| Melting Point | 2800°C |
| Molecular Weight | 123.204 |
| Thermal_Conductivity | 10.5 W/(m·K) @260 K |
| Specific Heat | 418 J/(kg·K) @0°C |
| Thermal Expansion | 10.65 · 10-6 /°C |
| Hardness (Mohs) | 1160 (8.2) |
| Young`s Modulus | |
| Shear Modulus | |
| Bulk Modulus | |
| Rupture Modulus | |
| Elastic Coefficient | C11 = 394; C12 = 91; C44 = 56 GPa |
| Dielectric Constant | 7-8 |
| Solubility in Water | insoluble |
| Type of Material | Single crystal, synthetic |
| Crystal Structure | cubic, CaF2 type structure, a = 5.14 Å |
| Cleavage Planes | |
| Standard Diameter | 50 mm |
| Application | |
| Remarks | available with stabilization of Y203; max. temperature for application: 2500°C; reacts in combination with HF and sulphuric acid |
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This symbol denotes crystal grown in-house.