Effect and behaviour of Al-B-C system antioxidants added to MgO-C refractories

被引:0
|
作者
Yamaguchi, A [1 ]
Nakano, Y [1 ]
Wang, TM [1 ]
机构
[1] Nagoya Inst Technol, Dept Mat Sci & Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
关键词
Additives - Aluminum - Antioxidants - Brick - Carbon - Defects - Hydrates - Reaction kinetics - Thermal effects;
D O I
10.1179/cmq.2000.39.4.381
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
Aluminum added to MgO-C refractories reacts with carbon to form Al4C3 during heating. Since it hydrates as the bricks are cooled, it causes the collapse of the refractories during reheating. The defect can be overcome by the use of Al8B4C7. In this paper, the effect and behaviour of Al-B-C system antioxidants added to MgO-C refractories have been investigated.
引用
收藏
页码:381 / 385
页数:5
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