Description
- 5% molar Y2O3 stabilized zirconia powders with high chemical purity
- good ionic conductivity
- dispersible spray-dried powder
Main applications
- oxygen sensors
Ceramic properties
- good ionic conductivity
- high sintering ability achievable
- fine microstructure
Typical chemical analysis (ppm)
| ZrO2 + HfO2* | Y2O3 | Al2O3** | SiO2 | Na2O | TiO2 | Fe2O3 | CaO |
| 91,9 % | 8 % | 10 | 20 | 25 | 10 | 10 | 20 |
* by difference
** Al2O3: up to 5% for A grade
Product range: physical properties
| CY5Z-NS | CY5Z-NA | |
| Al2O3 | / | up to 5% |
| specific surface
area (m2/g) |
7 ± 1 | |
| D50 (µm)
D90 (µm) |
0,3 ± 0,1
< 1,0 |
|
| loose bulk
density (g/cm3) |
1,3 ± 0,2 | |
analytical method: laser diffraction
Application properties
– ceramic sintering
| CY5Z-NS | CY5Z-NA | |
| ceramic density (g/cm3) | ≥ 6,0 | ≥ 6,0 |
| sintering temperature (oC) | 1500 | 1450 |
– ionic conductivities
| conductivity (S/cm) | CY5Z-NS* | CY5Z-NA** |
| 300°C | 4 x 10-6 | 3 x 10-6 |
| 400°C | 6,4 x 10-5 | 5,9 x 10-5 |
| 800°C | 2,5 x 10-2 | 2 x 10-2 |
* sintered 1500°C, 2h
** sintered 1450°C, 2h
Packaging
- 25 kg plastic drums
- other packaging upon request