Effect of flash sintering on microstructure of Ce0.9Gd0.1O1.95 electrolyte fabricated by tape-casting

被引：19
|
作者：
Valdebenito, Jonathan Usuba [1 ]
Akbari-Fakhrabadi, Ali [2 ]
Viswanathan, Mangalaraja Ramalinga [1 ]
机构：
[1] Univ Concepcion, Adv Ceram & Nanotechnol Lab, Dept Mat Engn, Fac Engn, Concepcion 4070409, Chile
[2] Univ Chile, Dept Mech Engn, Adv Mat Lab, Beauchef 851, Santiago, Chile
来源：
MATERIALS LETTERS | 2017年 / 209卷
关键词：
Gadolinium doped ceria; Electrolyte; Tape-casting; Flash sintering; OXIDE FUEL-CELLS; ZIRCONIA;
D O I：
10.1016/j.matlet.2017.07.129
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Flash sintering technique was applied to Ce0.9Gd0.1O1.95 (10GDC) electrolyte fabricated by tape-casting at different temperatures under various electric fields. Densification of the electrolyte at constant electric field depended mainly on the current passing through the sample. The applied electric field influenced the temperature at which the flash sintering occurred. To achieve the microstructure with high densification, a suitable current density must be selected. The temperature for flash sintering varies with the materials and the contact area between the particles, which changes with the particle size, the porosity and the inhomogeneity. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：291 / 294
页数：4
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