期刊
SCRIPTA MATERIALIA
卷 60, 期 11, 页码 1023-1026出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.02.036
关键词
Yttria-stabilized zirconia; Electrolyte; Plasma spray; Ionic conductivity
类别
资金
- NASA [16266038-1]
Nanocrystalline 10 mol.% yttria-stabilized zirconia (YSZ) electrolyte was synthesized via the plasma spray technique. The ionic conductivity was measured using AC impedance spectroscopy within the temperature range 350-600 degrees C in air. The measured total 17 ionic conductivity of plasma-sprayed YSZ electrolyte is similar to 2.3 times higher than that of sintered YSZ electrolyte at 600 degrees C in air. The improvement in ionic conductivity is ascribed to the nanocrystalline grain size and siliceous free grain boundary with grain-to-grain contact. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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