Alumina-rich refractory concretes with added spinel, periclase and dolomite:: A comparative study of their microstructural evolution with temperature

被引：41
|
作者：
Díaz, LA
Torrecillas, R
De Aza, AH
Pena, P
De Aza, S
机构：
[1] CSIC, Inst Nacl Carbon, Dept Chem, Oviedo 33011, Spain
[2] CSIC, Inst Ceram & Vidrio, E-28040 Madrid, Spain
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2005年 / 25卷 / 09期
关键词：
refractories; castables; Al2O3; MgAl2O4; MgO; dolomite; phase evolution; microstructure;
D O I：
10.1016/j.jeurceramsoc.2004.05.018
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：
Three processing routes for obtaining refractory castables within the alumina-rich zone of the Al2O3-MgO-CaO ternary phase equilibrium diagram were studied starting from mixtures of: (a) calcined alumina, synthetic spinel and calcium aluminate cements, (b) calcined alumina, magnesia and calcium aluminate cement, and (c) calcined alumina, dolomite and calcium aluminate cement. The evolution of the phases and microstructure was studied as a function of temperature and the processing route for both refractory concretes and their corresponding matrices (< 125 mu m). (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1499 / 1506
页数：8
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