Mirrow Polishing Smooth Zirconia Ceramic Plate High Precision
Mirrow Polishing high precision Zirconia Ceramic plate
Description:
Zirconium oxide is employed to an increasing extent, on the grounds of its useful characteristics: high rupture strength, comparable thermal expansion to cast iron, exceptionally high flexural and tensile strength, high resistance to wear and abrasion, and low thermal conductivity. Moreover, this material is a conductor of oxygen ions, and possesses excellent tribological properties.
The highest surface roughness that can be achieved on ceramic surface is Ra0.1, which is equivalent to a mirror-like polished finish.
Technical Parameters:
|
Performance |
Unit |
Typical value |
|
Density |
g/cm3 |
>6.0 |
|
HV Hardness |
Kg/mm2 |
>1300 |
|
Compressive Strength |
MPa |
5500 |
|
Flexural Strength |
MPa |
1250 |
|
Modulus of Elasticity |
Gpa |
200 |
|
Thermal Conductivity |
W/(m.k) |
3(20-400℃) |
|
Thermal Expansivity Cofficient |
10^-6K^-1 |
10 |
|
Facture Toughness |
Mpa.m0.5 |
8 |
|
Grain Size |
um | 0.5 |
Principal characteristic
1. High density.
2. Low thermal conductivity .
3. Chemical inertness.
4. Resistance to molten metals.
5. Ionic electrical conduction.
6. Wear resistance.
Application:
1. Production of customized components
2. Flame tubes
3. Heat exchangers
4. Firing trays
5. Protection of electrical circuits
6. Substrates
7. Medical prostheses
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