Effects of Oxides Contents in Vanadium Slag on Corrosion Mechanism of MgO-C Bricks

被引：0
|
作者：
Guang-en Wang
Yu Wang
Bing Xie
Xin-sheng Li
Xu Guo
Xiao-jun Li
机构：
[1] Chongqing University,Chongqing Key Laboratory of Metallurgy Engineering, College of Materials Science and Engineering
来源：
Journal of Iron and Steel Research International | 2012年 / 19卷
关键词：
MgQ-C brick; vanadium slag; (Mg, Fe, Mn)O solid solution; corrosion;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The influence of V2O3, FeO, TiO2, MnO and MgO in vanadium slag on the corrosion mechanism of MgO-C bricks was studied by stationary immersion tests at vanadium-extracting temperature. Experimental results show that FeO, TiO2, and MnO could enhance the corrosion rate and V2O3 and MgO could decrease it. Microstructure and phase composition of worn samples were investigated by SEM-EDS, revealing the presence of Fe particles, produced by graphite reduction, and (Mg, Fe, Mn)O solid solution at the interface. The formation process of (Mg, Fe, Mn)O solid solution was discussed and the corrosion mechnism of MgO-C bricks was thus proposed.
引用
收藏
页码：36 / 42
页数：6
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