Microstructures and mechanical properties of Ce1-xCaxO2-y (x=0.05, 0.1, 0.2) with different sintering temperatures

Yan, M., Mori, T., Zou, J., Huang, H. and Drennan, J. (2010) Microstructures and mechanical properties of Ce1-xCaxO2-y (x=0.05, 0.1, 0.2) with different sintering temperatures. Journal of the European Ceramic Society, 30 3: 669-675. doi:10.1016/j.jeurceramsoc.2009.09.005

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Author Yan, M.
Mori, T.
Zou, J.
Huang, H.
Drennan, J.
Title Microstructures and mechanical properties of Ce1-xCaxO2-y (x=0.05, 0.1, 0.2) with different sintering temperatures
Formatted title
Microstructures and mechanical properties of Ce1-xCaxO2-y (x=0.05, 0.1, 0.2) with different sintering temperatures
Journal name Journal of the European Ceramic Society   Check publisher's open access policy
ISSN 0955-2219
Publication date 2010-02
Year available 2009
Sub-type Article (original research)
DOI 10.1016/j.jeurceramsoc.2009.09.005
Volume 30
Issue 3
Start page 669
End page 675
Total pages 7
Editor R. J. Brook
Place of publication Barking, Essex, England
Publisher Elsevier Science
Collection year 2010
Language eng
Formatted abstract
In this study, the microstructures and mechanical properties of Ca-doped CeO2 affected by different sintering temperatures and various dopant concentrations have been systematically investigated. Transmission electron microscopy (TEM) and X-ray diffraction (XRD) revealed that a seemingly individual Ca-doped CeO2 system may consist of multiple types of doped CeO2 phases. X-ray photoelectron spectroscopy (XPS) analysis demonstrated that the chemical state of the Cc element is less dependent on the sintering temperature, while increasing the sintering temperature may cause segregation of the Ca elements to form CaO phase. Nanoindentation tests showed that Ca-doped CeO2 has better fracture toughness compared to rare-earth (RE) doped CeO2; the relationship between the sintering temperature and the mechanical property has been discussed.
© 2009 Elsevier Ltd. All rights reserved.
Keyword Microstructure-final
Mechanical properties
Fuel cells
Sintering
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 26 September, 2009.

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2010 Higher Education Research Data Collection
School of Mechanical & Mining Engineering Publications
 
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Created: Wed, 14 Apr 2010, 09:41:23 EST by Susan Morrison on behalf of School of Mechanical and Mining Engineering