Slag corrosion-resistance mechanism of lightweight magnesia-based refractories under a static magnetic field

被引：62
作者：
Zou, Yongshun [1 ]
Huang, Ao [1 ,2 ]
Wang, Runfeng [1 ]
Fu, Lvping [1 ]
Gu, Huazhi [1 ]
Li, Guangqiang [1 ]
机构：
[1] Wuhan Univ Sci & Technol, State Key Lab Refractories & Met, Wuhan 430081, Hubei, Peoples R China
[2] 947 Heping Ave, Wuhan 430081, Hubei, Peoples R China
来源：
CORROSION SCIENCE | 2020年 / 167卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Static magnetic field; Slag corrosion-resistance; Lightweight magnesia-based refractories; Steelmaking; Magnetic brake effect; ELECTROMAGNETIC-FIELD; MGO; ALUMINA; FLOW; BEHAVIOR; CONTACT;
D O I：
10.1016/j.corsci.2020.108517
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Slag corrosion resistance of lightweight magnesia-based refractories with micro/nano-sized pores under a static magnetic field is investigated. They exhibited excellent slag resistance under static magnetic field of 8.5 mT with an isolation layer composed of solid phases formed at the refractory/slag interface. The static magnetic field generated a "magnetic brake effect" that suppressed the infiltrating flow of the molten slag and decreased the dissolution rate of MgO grains. Moreover, it also limited the thickness of the isolation layer by reducing the extent of the refractory-slag interaction, which can be applied to further improve the slag resistance of refractories.
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页数：10
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