Correlation between the powder properties and sintering behaviors of nano-crystalline gadolinium-doped ceria

Title
Correlation between the powder properties and sintering behaviors of nano-crystalline gadolinium-doped ceria
Authors
Dasari Hari Pasad이종호이해원김병국박종성
Keywords
SOFC; CeO2; Sol-gel processes; sintering; Powders-chemical preparation; Fuel Cells
Issue Date
2010-10
Publisher
Journal of ceramic processing research
Citation
VOL 11, NO 5, 523-526
Abstract
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.
URI
http://pubs.kist.re.kr/handle/201004/40622
ISSN
1229-9162
Appears in Collections:
KIST Publication > Article
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