Researches and Application of Controlled MHD-Flows of Liquid Metal for New Casting Processes

机译：新型铸造工艺中液态金属的MHD控制流的研究与应用

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It is shown that superposition of two mutually transverse alternative electric field and external magnetic field on liquid metal at fixed area of induction channel in magnetodymamic devices causes circular vortical structures on boundaries of these regions.Such vortexes are like “hard walls” and allow creating in this area electromagnetic forces and electromagnetic pressure which moves liquid metal.There are studied features of electric,electromagnetic,and caused by them thermal and hydrodynamic processes in melts in metallurgical and casting magnetodynamic aggregates.Such equipments have a few(2-5)electromagnetic systems and induction channels of 2,3 or 4 branches,that form T-shaped and cross-shaped working areas.Due to this fact,it is possible to realize more controlled and various thermal & forcing action on liquid metal.It is designed experimental and industrial magnetodynamic pumps,installations,and mixers-batchers for preparation and pouring of ferrous and non-ferrous alloys.Also,there are developed concomitant technologies for manufacturing of castings and ingots,new technologies of casting under low electromagnetic pressure with dispersed non-solidifying gating system,and also processes for rheocasting and thixocasting.These developments combine MHD-processing of melts with other physical and chemical actions on melts(blowing out by inert gas,treatment by refining reagents,alloying and modifying etc.).

机译：结果表明，在磁动装置的感应通道固定区域，液态金属上的两个相互交叉的交变电场和外部磁场的叠加会在这些区域的边界上形成圆形涡旋结构。这种涡旋就像“硬壁”，并允许在研究了电磁，电磁压力的特征，这些电磁力和电磁压力使液态金属运动。研究了由冶金和铸造磁动力骨料中的熔体中的热，流体动力学过程引起的电，电磁特性。此类设备具有少量（2-5）电磁系统和2、3或4个分支的感应通道，形成T形和十字形的工作区域。因此，可以对液态金属实现更多的控制和各种热力和强迫作用。用于制备和浇铸黑色和有色金属合金的工业磁动力泵，装置和搅拌器-搅拌器。，随之而来的是用于铸件和铸锭制造的技术，在低电磁压力下具有分散的非凝固浇铸系统的铸造新技术，以及流变铸造和触变铸造的工艺。这些发展将熔体的MHD处理与其他物理化学方法相结合对熔体的作用（通过惰性气体吹出，通过精制试剂进行处理，合金化和改性等）。

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来源
《7th International Conference on Electromagnetic Processing of Materials》|2012年|1-6|共6页
会议地点 Beijing(CN)
作者
DUBODELOV Viktor; FIKSSEN Vladyslav; POGORSKY Viktor; SLAZHNIEV Mykola; GORYUK Maksym; SKOROBAGATKO Iuliia;
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作者单位

Physico-Technological Institute of National Academy of Sciences of Ukraine(PTIMA NASU),Academician Vernadsky Avenue,34/1,Kyiv-142,03680,Ukraine;

Physico-Technological Institute of National Academy of Sciences of Ukraine(PTIMA NASU),Academician Vernadsky Avenue,34/1,Kyiv-142,03680,Ukraine;

Physico-Technological Institute of National Academy of Sciences of Ukraine(PTIMA NASU),Academician Vernadsky Avenue,34/1,Kyiv-142,03680,Ukraine;

Physico-Technological Institute of National Academy of Sciences of Ukraine(PTIMA NASU),Academician Vernadsky Avenue,34/1,Kyiv-142,03680,Ukraine;

Physico-Technological Institute of National Academy of Sciences of Ukraine(PTIMA NASU),Academician Vernadsky Avenue,34/1,Kyiv-142,03680,Ukraine;

Physico-Technological Institute of National Academy of Sciences of Ukraine(PTIMA NASU),Academician Vernadsky Avenue,34/1,Kyiv-142,03680,Ukraine;

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原文格式 PDF
正文语种 eng
中图分类一般性问题;
关键词
magnetodynamic equipment; inductor; electromagnet; working area (WA); liquid metal; temperature; stirring; pouring; new casting technologies;

机译：磁动力设备；电感器；电磁体；工作区域（WA）；液态金属；温度；搅拌；浇注；新铸造技术;

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Researches and Application of Controlled MHD-Flows of Liquid Metal for New Casting Processes

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