Correlation between the powder properties and sintering behaviors of nano-crystalline gadolinium-doped ceria
- Correlation between the powder properties and sintering behaviors of nano-crystalline gadolinium-doped ceria
- Dasari Hari Pasad; 이종호; 이해원; 김병국; 박종성
- SOFC; CeO2; Sol-gel processes; sintering; Powders-chemical preparation; Fuel Cells
- Issue Date
- Journal of ceramic processing research
- VOL 11, NO 5, 523-526
- Nano-crystalline gadolinium-doped ceria (Ce0.9Gd0.1O1.95 (GDC)) powders prepared by different routes such as a co-precipitation
method (COP), a glycine-nitrate-process (GNP) and a sol-gel thermolysis process (STP) resulted in different powder properties.
In order to find out the effect of powder properties on sinterability, dilatometric studies were carried out on these powders.
Dilatometric studies revealed a pronounced correlation between powder properties and the sintering behavior. Along with
crystallite size and surface area, agglomerate size also played an important role in achieving a high sintered density at
relatively low sintering temperature.
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