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Zirconia (ZrO2) – Custom Machined Parts
Zirconium Dioxide, commonly known as Zirconia, is a high-performance ceramic material which exhibits excellent mechanical properties such as high hardness and fracture toughness. This makes zirconia ideal for a variety of wear resistance applications.
It is difficult to manufacture zirconia in large sizes compared to other oxide materials like alumina. In addition, zirconia is a relatively expensive material, and its use is usually limited to small parts / components which require high bending strength and resistance to fracture, chipping and cracking.
Zirconia Properties
| Property (Unit) |
Vickers Hardness HV(GPa) |
Flexural Strength (MPa) |
Fracture Toughness (MPam¹/²) |
Max Use Temperature℃） | Coefficient of Thermal Expansion (×10-⁶/℃) |
Thermal Conductivity (W/(m・K)) |
Thermal Shock Resistance(℃) | Chemical Resistance |
|---|---|---|---|---|---|---|---|---|
| Chemical Formula | ||||||||
| ZrO₂ | 13 | 1000 | 6 | Not suitable for very high temperature applications. | 7.7 | 3 | 280 | Good |
Zirconia – Key Properties & Popular Applications
| Key Properties | Applications | |
|---|---|---|
| High Strength |
Zirconia is an exceptionally strong ceramic. Due to its high bending strength and fracture toughness, it resists cracking, bending or breaking. It can also withstand severe impacts and heavy loads. |
■High load-bearing parts ■High impact-resistant parts ■Cutting tools such as blades and knives |
| Low Thermal Conductivity | Zirconia is an excellent thermal insulator due to its very low thermal conductivity. | ■Heat insulation parts |
| Good Chemical Property | Zirconia resists acid and alkali attack. | ■Pump parts & valve components |
| Excellent Wear Resistance | Zirconia is a popular material for parts used in high friction environments. | ■Wear-resistant parts ■Pistons & liners |
Available Sizes and Machining Capability
| Availability | Sizes(mm) | Machining Capability | Sizes(mm) |
|---|---|---|---|
| Plate | Φ300×30 | Hole diameter | Φ0.2 or more |
| Rod | Φ50×300 | Hole depth | 150 or less |
| Groove width | 0.1 or more | Max. hole number | 100 |
| Max. Groove(pocket) depth | 30 | Thread size | M2 or more |
Zirconia Custom Machined Parts
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Ceramics List
-
- Alumina（Al₂O₃）
-
Excellent electrical insulation properties , High temperature resistance , Plasma resistance , High hardness , Wear resistance
-
- Aluminum nitride（AlN）
-
High thermal conductivity , High temperature resistance , Low thermal expansion , Excellent electrical insulation properties , Plasma resistant , Corrosion resistant
-
- Zirconia（ZrO2）
-
High fracture toughness , Low thermal conductivity , Wear resistant
-
- Silicon carbide（SiC）
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High hardness , High thermal conductivity , High mechanical strength , Corrosion resistant
-
- Silicon Nitride (Si3N4)
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High fracture toughness , Low thermal expansion , Wear resistant , Good thermal shock resistance
-
- Machinable Ceramics
-
Excellent electrical insulation properties , High machinability , High temperature resistance
China Ceramic machining Inc.
〒526-0105
Shajing 7th Industrial Zone, Baoan,
Shenzhen.,China. 518125
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