MgAl2O4 Inclusion Agglomeration on the Surface of Liquid Steel

MgAl2O4 Inclusion Agglomeration on the Surface of Liquid Steel
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钢液表面MgAl2O4夹杂物团聚

DOI:
10.1007/s11663-019-01688-9
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发表时间:
2019-12
期刊:
Metallurgical and Materials Transactions B
影响因子:
--
通讯作者:
Hong Lei
Hong Lei
中科院分区:
其他
文献类型:
--
作者:
Lei Cao;Guocheng Wang;Yang Zhao;Seetharaman Sridhar;Hong Lei

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利用激光共聚焦扫描电镜(CLSM)观察了MgAl2O4夹杂物的聚集、分离和团聚行为。实验结果表明,夹杂物颗粒间的空穴桥力在团聚过程中起主导作用,空穴桥力的作用距离与MgAl_2O_4夹杂物的半径成正比。一旦两个MgAl2O4颗粒之间形成稳定的空穴桥,聚集的MgAl2O4夹杂物就不能再次分离。
The aggregation, separation, and agglomeration behaviors of MgAl2O4 inclusions were observed by CLSM. From these observations, it was found that the cavity bridge force between two inclusion particles plays a dominant role in the process of agglomeration, and that the action distance of the cavity bridge force is proportional to the radius of the MgAl2O4 inclusion. Once a stable cavity bridge between two MgAl2O4 particles forms, the aggregated MgAl2O4 inclusion cannot be separated again.
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