Sol-gel synthesis and thermal evaluation of cordierite-zirconia composites (Ce-ZrO2, Y-Ce-ZrO2)

被引：7
|
作者：
Senguttuvan, G [1 ]
Settu, T
Kuppusamy, P
Kamaraj, V
机构：
[1] Anna Univ, Dept Chem Engn, Div Ceram Technol, Chennai 600025, India
[2] Dalmia Inst Sci & Ind Res, Salem, India
[3] Indira Gandhi Ctr Atom Res, Phys Met Sect, Kalpakkam 603102, Tamil Nadu, India
来源：
JOURNAL OF MATERIALS SYNTHESIS AND PROCESSING | 1999年 / 7卷 / 03期
关键词：
cordierite; zirconia; sol-gel process; composites; crystallization;
D O I：
10.1023/A:1021821330311
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cordierite and cordierite-zirconia composites (ceria- and yttria-ceria-stabilized zirconia) were prepared by sol-gel processing for different compositions. The precursor powders of these composites were studied using analytical techniques such as thermogravimetric analysis, differential thermal analysis, X-ray diffraction, and infrared spectroscopy for different temperatures to investigate the crystallization behavior of the material. It was observed that the cordierite-zirconia composite powders are crystallized as alpha-cordierite and tetragonal zirconia when sintered at a temperature above 1200 degrees C in the presence of zircon in the cordierite matrix. Powder morphologies of cordierite-zirconia composites have also been investigated.
引用
收藏
页码：175 / 185
页数：11
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