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Sunward 8Y Zirconia Powder
8 mole% yttria-stabilized cubic zirconia (8YCZ) is a good oxygen-ion conductor that is utilized in many high temperature functional applications, such as oxygen sensors, solid oxide fuel cells (SOFC) , and combustion controller in furnaces.
The properties of high quality TP-8Y zirconia powders：
| Powder Properties |
TP-8Y |
| ZrO2 + HfO2 (wt%) |
>86.0 |
| Y2O3 (wt%) |
13.3+0.2 |
| SiO2 (wt%) |
<0.02 |
| Fe2O3 (wt%) |
<0.01 |
| Na2O (wt%) |
<0.01 |
| Al2O3 (wt%) |
<0.1 |
| L.O.I (wt%) |
<1.5 |
| Surface area (m sq./g) |
8+1 |
| D50 (um) |
0.5~0.6 |
Note
(1)ICP result is analyzed by SGS OPTIMA 2000
(2)L.O.I is calcined 1000oC for 1hr
(3)The specific surface area is analyzed by ASAP 2010
(4)Particle size and particle size distribution are test by HORIBA LA300
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Dried droplets of zirconia slurry with high solid content (>60wt%) being sprayed from rotary disk atomizer. Typical spherical granules with size 75~125 um are prepared in a co-current flow spray dryer. |
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SEM micrograph of 8 mol% yttria-doped stabilized cubic zirconia (8YCZ) prepared by colloidal processing. The average grain size of this sample is 6.1um. The samples were thermally etched at 1480oC for 20 min.■ |
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