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首页> 外文会议>International Conference on Solidification and Gravity; 20040906-09; Miskolc-Lillafured(HU) >Motion of Fine Particles under Interfacial Tension Gradient in Relation to Solidification of Steel
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Motion of Fine Particles under Interfacial Tension Gradient in Relation to Solidification of Steel

机译：界面张力梯度下细颗粒的运动与钢凝固的关系

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摘要

It is important to understand the behavior of argon gas bubbles and non-metallic inclusions in front of the solidifying shell in order to improve the surface quality of steel products, in the steelmaking industry. Based on a series of fundamental researches on the motion of fine particles under the interfacial tension gradient, Mukai and Lin proposed a new mechanism wherein the solute concentration gradient in front of the solidifying shell, which is the interfacial tension gradient between liquid steel and particles, plays an important role in the entrapment of argon gas bubbles and non-metallic inclusions by the solidifying shell in continuous casting of steel. Developing this idea, this paper proposes Mukai-value M for use in estimating the dependence of the interfacial gradient force required to entrap the particles on solute concentrations of steel. Use of this index enables rapid quantitative prediction of the behavior of argon gas bubbles and non-metallic inclusions in the continuous casting of steel.
机译：重要的是，要了解炼钢行业中氩气气泡和凝固壳前的非金属夹杂物的行为，以提高钢材的表面质量。穆凯和林在一系列关于细颗粒在界面张力梯度下的运动的基础研究的基础上，提出了一种新的机理，即凝固壳前的溶质浓度梯度即液态钢与颗粒之间的界面张力梯度，在钢的连续铸造中，凝固壳对氩气气泡和非金属夹杂物的截留起着重要作用。提出这个想法后，本文提出了Mukai值M，用于估计将颗粒截留所需的界面梯度力与钢的溶质浓度之间的关系。使用该指数可以快速定量地预测钢的连铸过程中氩气气泡和非金属夹杂物的行为。

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