Properties of silicate-bonded silicon carbide refractories

被引：11
|
作者：
Reddy, NK [1 ]
机构：
[1] Indian Inst Chem Technol, Mat Sci Sect, Hyderabad 500007, Andhra Pradesh, India
来源：
MATERIALS LETTERS | 2001年 / 47卷 / 4-5期
关键词：
silicate-bonded silicon carbide refractories; modulus of rupture; coefficient of thermal expansion;
D O I：
10.1016/S0167-577X(00)00254-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Silicate-bonded silicon carbide refractories have been prepared by reaction bonding. Mullite or sillimanite was used for bonding of silicon carbide. The percentage of silicate bond was varied from 15 to 30 wt.%. Molybdenum disilicate (4 wt.%) has been used as an infiltrant for silicon carbide refractories. Modulus of rupture (MOR) of these refractories increases with molybdenum disilicate addition. Thermal expansion coefficients of the refractories vary from 32.8 x 10(-6) to 4.1 x 10(-6)/degreesC. These are resistant to non-ferrous metals but are attacked by molten salts. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：305 / 307
页数：3
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