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Author |
Xu, T.; Wang, P.; Fang, P.; Kan, Y.; Chen, L.; Vleugels, J.; Van der Biest, O.; van Landuyt, J. |
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Title |
Phase assembly and microstructure of CeO2-doped ZrO2 ceramics prepared by spark plasma sintering |
Type |
A1 Journal article |
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Year  |
2005 |
Publication |
Journal of the European Ceramic Society |
Abbreviated Journal |
J Eur Ceram Soc |
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Volume |
25 |
Issue |
15 |
Pages |
3437-3442 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
CeO2-doped ZrO2, (8 mol%) starting powder was sintered by means of spark plasma sintering (SPS) at 1300 degrees C without holding time. The stability of the tetragonal ZrO2 phase in the Ce-ZrO2 ceramic sintered under strongly reducing conditions was investigated. The SPS sample consisted of monoclinic and tetragonal ZrO2 phase, with a volume ratio of two to one, as well as a trace amount of a Zr-Ce-O cubic solid solution phase. In contrast, the same powder sintered by hot-pressing in nitrogen at 1300 and 1500 degrees C for 1h showed no tetragonal ZrO2. Microstructural observation of the SPS ceramic by SEM and TEM revealed grains with and without twins. The reason for the appearance of the tetragonal phase in the SPS sample sintered under strongly reducing conditions is discussed. (c) 2004 Elsevier Ltd. All rights reserved. |
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Publisher |
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Place of Publication |
Barking |
Editor |
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Wos |
000232172100006 |
Publication Date |
2004-12-16 |
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ISSN |
0955-2219; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.411 |
Times cited |
13 |
Open Access |
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Notes |
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Approved |
Most recent IF: 3.411; 2005 IF: 1.567 |
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Call Number |
UA @ lucian @ c:irua:104065 |
Serial |
2576 |
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| Permanent link to this record |
