Paper Title:
Preparation and Thermal Conductivity of Y2Ce2O7 Ceramic Material
| Periodical | Advanced Materials Research (Volume 266) |
|---|---|
| Main Theme | China Postdoctoral Forum on Materials Science and Engineering |
| Edited by | Deliang Chen |
| Pages | 59-62 |
| DOI | 10.4028/www.scientific.net/AMR.266.59 |
| Citation | Hong Song Zhang et al., 2011, Advanced Materials Research, 266, 59 |
| Online since | June, 2011 |
| Authors | Hong Song Zhang, Su Ran Liao, Wei Yuan, Shao Kang Guan |
| Keywords | Ceramic Materials, Phonon Scattering, Thermal Barrier Coating (TBC), Thermal Conductivity (TC) |
| Price | US$ 28,- |
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Abstract
Y2Ce2O7 ceramic material was prepared by solid reaction at 1600°C for 10h. The phase composition, microstructure and thermal conductivity of this material were investigated. XRD results reveals that single phase Y2Ce2O7 with fluorite structure was synthesized. Microstructure of Y2Ce2O7 was dense and no other unreacted oxides or interphase existed in the interfaces between grains. Because of phonon scattering by oxygen vacancies and difference in atomic mass between substitutional atoms and host atoms, thermal conductivty of Y2Ce2O7 is lower than that of 8YSZ, which implies that this ceramic can be used as novel candidate materials for thermal barrier coatings in the future.
