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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제18권 제8호
- 발행연도
- 2017.8
- 수록면
- 555 - 559 (5page)
- DOI
- http://dx.doi.org/
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This paper reports on the preparation of a fully dense Gd-doped CeO2 (GDC) at low sintering temperature using CeO2 powderand Gd precipitation in the presence of CoO as a sintering aid. A mixture of CeO2 powder and Gd precipitates was calcinedat 700 oC followed by milling that resulted in the GDC (Ce0.8Gd0.2O1.9) powder with an average particle size of 0.46 μm.
Sintering of the undoped sample showed a relative density of 99.2% at 1500 oC, whereas the samples doped with 3 mol% and5 mol% CoO exhibited a significant densification at the lower temperature reaching a relative density of 98.8% at 1200 oC.
The electrical conductivities of both doped samples were almost identical but higher than those of the undoped sample at allmeasuring temperatures.
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