Zirconia Rods For Camera
Zirconia ceramics rods are often used in camera applications due to their excellent properties, they can serve various functions, including acting as guiding rods, support structures, or wear-resistant components in mechanisms like lens adjustments or focusing systems.
- Coefficient of thermal expansion similar to iron
- High strength&hardness
- High fracture toughness
- Wear resistance
- Excellent thermal insulation
- Very high resistance to crack propagation, high fracture toughness
- Low thermal conductivity
- Corrosion resistance in acids and alkalis
- Modulus of elasticity similar to steel
| Properties | Unit | Value |
| Composition | % | 94.5% ZrO2 5.5% Y2O3 |
| Specific Density | g/cm3 | ≥6.03 |
| Hardness (HV) | GPa | >12 |
| Coefficient (20-400°C) | 10-6 /k | 9.6 |
| Elastic Modulis | GPa | 205 |
| Fracture Toughness | MPa·m1/2 | 8-10 |
| Crushing Load | KN | ≥25 (S ⊄6.5mm) |
| Grain Size | μm | <0.5 |
| Thermal Conductivity | w/(m·k) | 3 |
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