Zirconia blocks usage Precision Zirconia Ceramic zirconium oxide for CAD CAM
Zirconium dioxide Zirconia ZrO2
| Properit properties Type |
3YF |
3YP |
3YZ |
3YP-E |
3YZ-E |
|
|
ZrO2(HfO2)% |
94.7 |
94.7 |
94.7 |
94.7 |
94.7 |
|
|
Y2O3% |
5.2+/-0.1 |
5.2+/-0.1 |
5.2+/-0.1 |
5.2+/-0.1 |
5.2+/-0.1 |
|
|
SiO2% ≤ |
0.005 |
0.005 |
0.005 |
0.25 |
0.25 |
|
|
Fe2O3% ≤ |
0.003 |
0.003 |
0.003 |
0.003 |
0.003 |
|
|
CaO%≤ |
0.002 |
0.002 |
0.002 |
0.002 |
0.002 |
|
|
MgO≤ |
0.003 |
0.003 |
0.003 |
0.003 |
0.003 |
|
|
TiO2≤ |
0.001 |
0.001 |
0.001 |
0.001 |
0.001 |
|
|
Na2O≤ |
0.001 |
0.001 |
0.001 |
0.001 |
0.001 |
|
|
Cl≤ |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
|
|
Lgnition%≤ |
0.2 |
0.2 |
2.0 |
0.2 |
2.0 |
|
|
Binder% |
0 |
0 |
1.0 |
0 |
1.0 |
|
|
Sintering Temperature |
1500 |
1500 |
1500 |
1370 |
1370 |
|
|
Sintered Density |
6.05 |
6.05 |
6.05 |
6.05 |
6.05 |
|
|
Three-point Flexural strength(Mpa) |
1000 |
1000 |
1000 |
1000 |
1000 |
|
|
Specific Surface Area(m²/g) |
10+/-1 |
10+/-1 |
10+/-1 |
10+/-1 |
10+/-1 |
|
|
Crystallite Size(nm) |
40-80 |
40-80 |
40-80 |
40-80 |
40-80 |
|
|
Volume Distribution |
Dmaxμm |
3 0.5+/-0.1
|
3 0.5+/-0.1 |
3 0.5+/-0.1 |
3 0.5+/-0.1 |
3 0.5+/-0.1 |
|
Dmin μm |
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Application:
The main use of zirconia is in the production of hard ceramics, such as in dentistry (see below), with other uses including as a protective coating on particles of titanium dioxide pigments, as a refractory material, in insulation, abrasives and enamels. Stabilized zirconia is used in oxygen sensors and fuel cell membranes because it has the ability to allow oxygen ions to move freely through the crystal structure at high temperatures. This high ionic conductivity (and a low electronic conductivity) makes it one of the most useful electroceramics. Zirconium dioxide is also used as the solid electrolyte in electrochromic devices.
Zirconia is a precursor to the electroceramic lead zirconate titanate (PZT), which is a high-K dielectric, which is found in myriad components.
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