Synthesis of cordierite powder from talc, diatomite and alumina

被引：117
|
作者：
Goren, R [1 ]
Gocmez, H [1 ]
Ozgur, C [1 ]
机构：
[1] Dumlupinar Univ, Fac Engn, Dept Ceram Engn, Kutahya, Turkey
来源：
CERAMICS INTERNATIONAL | 2006年 / 32卷 / 04期
关键词：
cordierite; diatomite; talc; Rietveld;
D O I：
10.1016/j.ceramint.2005.03.016
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A cordierite powder was synthesized from a batch composition of talc, diatomite and alumina. Sintered samples of the synthesized cordierite were characterized by X-ray diffraction (XRD), differential thermal analysis (DTA), and Rietveld analysis. The XRD analysis showed hexagonal or alpha-cordierite (indialite) as a major phase along with MgAl2O4 spinel and cristobalite as secondary phases in the samples sintered at 1300 degrees C for 1 h, whereas indialite phase only was observed at 1350 degrees C for 3 and 5 h as well as at 1400 degrees C for 1 h. Density and linear thermal expansion coefficient of the sample synthesized at 1400 degrees C for 1 h were 2.47 g cm(-3) and 1.8 x 10(-6) degrees C-1, respectively. (C) 2005 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：407 / 409
页数：3
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