HYDRAULIC PROPERTIES OF LADLE SLAGS

被引：0
|
作者：
Vlcek, J. [1 ]
Svrcinova, R. [1 ]
Burda, J. [1 ]
Topinkova, M. [1 ]
Klarova, M. [1 ]
Ovcacikova, H. [1 ]
Jancar, D. [1 ]
Velicka, M. [1 ]
机构：
[1] VSB Tech Univ Ostrava, Fac Met & Mat Engn, Ostrava, Czech Republic
来源：
METALURGIJA | 2016年 / 55卷 / 03期
关键词：
steel slag; ladle slag; hydraulic properties; calorimetry;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The article presents results of examining of hydraulic properties of ladle slags formed during production of steel. The studied ladle slags were subjected to different cooling mode from the molten state. Based on the ability of the slag react with the water was assessed their hydraulic activity. The hydraulic properties are caused by the presence of minerals dicalcium silicate, tricalcium aluminate, mayenite, brownmillerite and dicalcium ferite. The emergence of required hydrating phases in the ladle slags is conditioned by a sufficient CaO content and their cooling rate. The contact the slag with water during processing and their ageing has a negative effect. The experiment has shown that the phase transformation of the mineral dicalcium silicate which occurs during cooling of the ladle slags cause their volume instability.
引用
收藏
页码：399 / 402
页数：4
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