Study of the Interaction of Molten Aluminum with the Contact Surface of a Quartz Refractory

被引：1
|
作者：
Apakashev, R. A. [1 ]
Davydov, S. Ya. [1 ]
机构：
[1] Ural State Min Univ, Ekaterinburg, Russia
来源：
REFRACTORIES AND INDUSTRIAL CERAMICS | 2015年 / 56卷 / 02期
关键词：
molten aluminum; quartz refractory; high-temperature reaction; rate of heterogeneous reaction; micro-particles; nano-particles; alumomatrix composite;
D O I：
10.1007/s11148-015-9811-7
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：
Results are presented from studies of the kinetics of the reaction in which silicon is reduced from silica by molten aluminum. The micro- and nano-structure of molten aluminum in contact with the surface of a quartz refractory were also investigated. It was established that at 985 K the contact reaction between the components of the heterogeneous system Al-SiO2 takes place at an average rate of 5.7 x 10(-1) moles/(m(2)center dot sec). It is shown that the aluminum matrix structure which crystallizes in this system is characterized by the presence of micro- and nano-particles of silicon.
引用
收藏
页码：194 / 196
页数：3
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