CAS OpenIR  > 多相复杂系统国家重点实验室
Grain-size dependence of the grain-boundary conductivity of zirconia stabilized with Y2O3 and CaO
Li, Y.; Gong, J. H.; Xie, Y. S.; Tang, Z. L.; Chen, Y. F.; Zhang, Z. T.
2002
Conference Name2nd China International Conference on High-Performance Ceramics (CICC-2)
Source PublicationKEY ENGINEERING MATERIALS
Pages169-172
Conference DateNOV 11-15, 2001
Conference PlaceKUNMING, PEOPLES R CHINA
PublisherTrans Tech Publications Ltd
AbstractSix samples of mixed Y2O3/CaO doped zirconia were prepared. The average grain sizes of these samples were different with each other. The grain-boundary conductivity of each sample was measured using complex impedance method in the temperature range from 673 to 1073 K and experimental results were analyzed according to the Arrhenius equation. It was found that, as the grain size increases, the activation energy for grain-boundary conduction increases steady first and then, after reaches a maximum, decreases rapidly. In addition, a strong correlation exists between E-gb and the thickness of the grain-boundary layer, d.
KeywordIonic Conductivity Zirconia Grain-boundary Solid Electrolytes Ionic-conductivity
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Indexed ByCPCI
Language英语
Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/5622
Collection多相复杂系统国家重点实验室
Recommended Citation
GB/T 7714
Li, Y.,Gong, J. H.,Xie, Y. S.,et al. Grain-size dependence of the grain-boundary conductivity of zirconia stabilized with Y2O3 and CaO[C]:Trans Tech Publications Ltd,2002:169-172.
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