Loading Port:Guangzhou
Payment Terms:TT OR LC
Min Order Qty:100 pc
Supply Capability:10000 pc/month
Product Description
Zirconia is most famous high-performance material among all oxide ceramics. Ceramic components made out of Zirconia generally consist of Zirconia as basic material doped with some percentage of other oxides like Yttria (Y2O3) or Magnesia (MgO). Depending on doping material different material properties could be achieved because of influencing the Yttria's microstructure. The "ceramic steel" titled Zirconia is doped with Yttria forming an ultra-fine ductile structure with sub-micron grain formation leading to enormous bending strengths. Magnesia doped qualities are less strong also showing a coarser microstructure.
Common applications of Zirconia ceramics include extrusion dies, wire and pipe extension, guide and other wear rollers, pressure valves, and bearing materials.
Ceramic Manufacturing Process
Raw Material >> Milling/Mixing >> Spray/Drying >> Forming >> Green Machining >> Sintering >> Grinding >> Special Process >> Inspection >> Cleaning >> Final Product
Product Feture:
*High density
*High strength and fracture toughness
*High hardness and wear resistance
*Low thermal conductivity (20% that of Alumina)
*Good chemical resistance
Application of Zirconia Ceramics
1. Precision ball valve (balls and seats)
2. Pump seals, valves and impellors
3. High density grinding media
4. Oxygen sensors
5. Threadguides
6. Fuel cell membranes
7. Cutting blades
8. Radio frequency heating susceptors
9. Medical prostheses
10. Metrology components
Data Sheet
Characteristics | Unit | 95 Al2O3 | 99 Al2O3 | ZrO2 | GPSi3N4 | BN | Glass Ceramic |
Crystal Structure | - | hexagonal | hexagonal | tetragonal | hexagonal | hexagonal | - |
Color | - | white | ivory | white | gray | white | white |
Density | g/cm³ | 3.65 | 3.88 | 5.95 | 3.22 | 2.26 | 2.55 |
Water Absorption | % | 0 | 0 | 0 | 0 | 0.0-1.0 | 0 |
Young's Modulus | Gpa | 280 | 350 | 205 | 295 | 670 | 65 |
Vickers Hardness | Gpa | 14 | 20 | 12 | 18-20 | - | - |
Flexural Strength | Mpa | 280 | 300 | 900 | 650 | 51 | 100 |
Compressive Strength | Mpa | 2000 | 2500 | 2200 | 2200 | 230 | 500 |
Thermal Conductivity | W/(m•K) | 18-25 | 30 | 2.2 | 25 | 20 | 1.70 |
Thermal shock resistance | ΔT(C°) | 220 | 180-200 | 280-350 | 450-650 | >1500 | 25-100 |
Max. Working Temperature | C° | 1500 | 1700 | 850 | 1200 | 960 | 800 |
Volume Resistivity | Ω . cm | >10^15 | >10^14 | >10^12 | >10^14 | 10^13 | 10^16 |
Dielectric Constant | - | 9.50 | 9.80 | 26 | 8.20 | 4.08 | 6.02 |
Dielectric Strength | kV/mm | 16 | 22 | - | 16 | 375 | 40 |
FAQ
We have organized several common questions for our clients, may help you sincerely：
1. Precision ball valve (balls and seats)
2. Pump seals, valves and impellors
3. High density grinding media
4. Oxygen sensors
5. Threadguides
6. Fuel cell membranes
7. Cutting blades
8. Radio frequency heating susceptors
High density
High strength and fracture toughness
High hardness and wear resistance
Low thermal conductivity (20% that of Alumina)
Good chemical resistance
