Effect of slag impregnation on thermal degradations in refractories

被引：35
|
作者：
Blond, Eric [1 ]
Schmitt, Nicolas
Hild, Francois
Blumenfeld, Philippe
Poirier, Jacques
机构：
[1] Univ Paris 06, CNRS, UMR 8535, ENS,LMT Cachan, F-94235 Cachan, France
[2] Arcelor Res, F-57283 Maizieres Les Metz, France
[3] CNRS, CRMHT, F-45071 Orleans, France
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2007年 / 90卷 / 01期
关键词：
D O I：
10.1111/j.1551-2916.2006.01348.x
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Degradation in bauxite refractory linings used in steel plants is localized in the slag-impregnated zone of refractories. It is proposed to estimate the contribution of the pressure of the impregnated liquid on the degradation of refractories. The study of the gradient of chemical composition allows for the evaluation of the liquid content, the oxide content in the liquid phase, and the "slag" viscosity. The thermomechanical analysis of a porous refractory impregnated by slag enables us to propose analytical expressions for a rapid estimate of the maximum "slag pressure" and its location as well as the level of thermoelastic stresses.
引用
收藏
页码：154 / 162
页数：9
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