Corrosion Study of MgO-C Bricks in Contact with a Steelmaking Slag

被引：19
|
作者：
Benavidez, Edgardo [1 ,2 ]
Brandaleze, Elena [1 ,2 ]
Musante, Leonardo [3 ]
Galliano, Pablo [3 ]
机构：
[1] UTN, Dept Met, Colon 332, RA-2900 San Nicolas, Argentina
[2] UTN, Deytema Fac Reg San Nicolas, RA-2900 San Nicolas, Argentina
[3] Tenaris REDE AR, RA-2804 Campana, Argentina
来源：
INTERNATIONAL CONGRESS OF SCIENCE AND TECHNOLOGY OF METALLURGY AND MATERIALS, SAM - CONAMET 2013 | 2015年 / 8卷
关键词：
Refractories; MgO-C; Slags; Corrosion; Microstructure; REFRACTORIES;
D O I：
10.1016/j.mspro.2015.04.068
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The MgO-C bricks are extensively used as lining work on different steel containers. Due to the high temperatures of the process, these refractories are subjected to severe wear and corrosion processes, principally in the area of contact with the slag. These slags have variable contents of CaO, SiO2, Al2O3, MgO and FeO, varying in composition according to the process stage. In this paper, cup tests were performed at 1650 degrees C during 2 hours in air, using three kinds of commercial MgO-C bricks. They were put in contact with a high basicity slag. The corrosion degree and decarburization level sufferered by the refractories were analyzed and compared. Microstructural observations were performed in order to postulate the probable corrosion mechanisms acting on each material. (C) 2015 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：228 / 235
页数：8
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