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题名: Electrical property of 8-mol% yttria-stabilized zirconia electrolyte by spark-plasma sintering
作者: Jian Jiawen; Chang Aimin; Yang Bangchao; Zhang Yikang
刊名: Science in China, Series E: Technological Sciences
发表日期: 2004
DOI: 10.1360/04ye0074
卷: 47, 期:5, 页:569-576
收录类别: EI
摘要: Spark-plasma sintering (SPS) process was used to sinter ZrO2 (8Y) powders, and a relative density of 99% has been reached at a low temperature (1350°C) and short dwelling time (10 min) compared to the conventional sintered identical samples (1450°C 4 h)(CS). By the X-ray diffraction (XRD) patterns, the microstructure of the SPS pellet and CS pellet are both indexed by the cubic unit cell (Fm3m). The finer crystallite size (D111) of the SPS pellet is 154 nm and D111 of the CS pellet is more than 1 πm. The AC impedance spectroscopy shows that the ionic conductivity of SPS pellet is different from that of CS pellet. The activation energy for the SPS ceramics, estimated from the slope in the range of 400-800°C, was 91 kJ mol-1, which is in good agreement with CS pellet (96 kJ mol-1), indicating that the conduction mechanism in SPS ceramics is similar to that in CS ceramics.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2220
Appears in Collections:材料物理与化学研究室_期刊论文

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作者单位: School of Information Science Engineering, Ningbo University, Ningbo 315211, China;School of Microelectronics and Solid-state Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China;Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830022, China;Hongtak (Chengdu) Electronic Co., Ltd., Chengdu 610041, China

Recommended Citation:
Jian Jiawen,Chang Aimin,Yang Bangchao,et al. Electrical property of 8-mol% yttria-stabilized zirconia electrolyte by spark-plasma sintering[J]. Science in China, Series E: Technological Sciences,2004,47(5):569-576.
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