Influence of raw materials morphology on properties of magnesia-spinel refractories

被引：29
|
作者：
Szczerba, Jacek [1 ]
Pedzich, Zbigniew [1 ]
Nikiel, Malgorzata [1 ]
Kapuscinska, Dominika [1 ]
机构：
[1] Univ Sci & Technol, AGH, Fac Mat Sci & Ceram, PL-30059 Krakow, Poland
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2007年 / 27卷 / 2-3期
关键词：
refractory materials; spinel;
D O I：
10.1016/j.jeurceramsoc.2006.04.145
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：
The work concerns magnesia-spinel refractories (MSp) used in cement industry. These materials replace magnesia chromite refractories due to environment protection. The paper summarizes results of investigation on influence of raw materials on final properties of magnesia-spinel products. In experiments sintered or fused magnesia, and fused spinel were used. Clinkers differ in chemical composition and morphology. Grain composition of mixtures was calculated on the basis of modified Andreasen curve according to Dinger and Funk's model. Essential influence of clinker morphology on final properties of refractories was established. Porosity and pore size distribution in materials determine their strength and gas permeability. Relations between these parameters allow controlling the final properties of products in a wide range. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1683 / 1689
页数：7
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