Interactions between Exogenous Magnesia Inclusions with Endogenous Inclusions in a High Alloyed Steel Melt

被引：8
|
作者：
Schroeder, Christina [1 ,2 ]
Fischer, Undine [1 ]
Schmidt, Anne [1 ]
Schmidt, Gert [1 ]
Volkova, Olena [2 ]
Aneziris, Christos G. [1 ]
机构：
[1] Tech Univ Bergakad Freiberg, Inst Ceram Glass & Construct Mat, D-09599 Freiberg, Germany
[2] Tech Univ Bergakad Freiberg, Inst Iron & Steel Technol, D-09599 Freiberg, Germany
来源：
ADVANCED ENGINEERING MATERIALS | 2017年 / 19卷 / 09期
关键词：
IN-SITU OBSERVATION; NONMETALLIC INCLUSIONS; MGO INCLUSIONS; FILTRATION; FILTERS; COLLISION; SLAGS;
D O I：
10.1002/adem.201700146
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Interactions between exogenous MgO particles and endogenous inclusions on the surface of a high alloyed steel melt have been investigated in situ in a high temperature confocal laser scanning microscope. Exogenous magnesia particle forms immediately a liquid Mg-Si-Al-Ti-Cr phase surrounding the solid particle. The real attraction forces between the liquid layer surrounding MgO particles and endogenous Al2O3 inclusions are determined in the range of 6x10(-18) N to 1x10(-16) N. In contrast to earlier investigations with exogenous Al2O3 particles, lower real attraction forces between exogenous and endogenous particle pairs have been observed in comparison to endogenous inclusions pairs.
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页数：9
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