Hollow fibers of yttria-stabilized zirconia (8YSZ) prepared by calcination of electrospun composite fibers

被引：26
|
作者：
Li, J. Y. [1 ]
Tan, Y. [1 ]
Xu, F. M. [1 ]
Sun, Y. [1 ]
Cao, X. Q. [2 ]
Zhang, Y. F. [2 ]
机构：
[1] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem & Phys, Changchun 130022, Jilin, Peoples R China
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 15期
关键词：
yttria-stabilized zirconia; ceramic; fibers; electrospinning; sintering;
D O I：
10.1016/j.matlet.2007.12.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
8YSZ fibers were synthesized by calcination of PVP/zirconium oxychloride/yttrium nitrate composite fibers (PVP-Precursor) obtained by electrospinning. Scanning electron microscopy (SEM) indicated that the 8YSZ fibers are hollow and the gas released during organic binder decomposition resulted in the formation of hollow center in fibers. Proper controlling heating rate is necessary to the formation of hollow structure. Both X-ray diffraction (XRD) and Raman spectroscopy analysis indicated that the 8YSZ fibers have crystal structure of tetragonal phase. The hollow structure should make the fibers to have a higher resistance to sintering than solid fibers at elevated temperature. This result has important applications in catalytic combustion. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：2396 / 2399
页数：4
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