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鈦合金真空自耗熔煉過(guò)程中電流、磁場(chǎng)和電磁力數(shù)值模擬
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1.北京科技大學(xué) 鋼鐵共性技術(shù)協(xié)同創(chuàng)新中心，北京 100083;2.攀鋼集團(tuán)攀枝花鋼鐵研究院有限公司，四川 攀枝花 617000;3.成都先進(jìn)金屬材料產(chǎn)業(yè)技術(shù)研究院股份有限公司，四川 成都 610300

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Numerical Simulation of Current, Magnetic Field and Electromagnetic Force in Vacuum Arc Remelting of Titanium Alloy
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1.Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing 100083, China;2.Pangang Group Panzhihua Research Institute of Iron and Steel Co., Ltd, Panzhihua 617000, China;3.Chengdu Advanced Metal Materials Industrial Technology Research Institute Co., Ltd, Chengdu 610300, China

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    摘要:

    采用有限元模擬軟件Ansys Electromagnetics Suite中Maxwell 3D模塊建立鈦合金真空自耗熔煉過(guò)程電磁場(chǎng)數(shù)學(xué)物理模型，分析并掌握熔煉過(guò)程中電流、磁場(chǎng)和電磁力相互作用規(guī)律，并研究了熔煉電流和攪拌電流變化對(duì)磁場(chǎng)及電磁力的影響。結(jié)果表明：鑄錠中電流均呈向心分布，且集中分布在鑄錠上部350 mm范圍內(nèi)；熔煉電流產(chǎn)生切向磁場(chǎng)，攪拌電流產(chǎn)生軸向磁場(chǎng)，兩者進(jìn)行簡(jiǎn)單耦合；在熔煉電流及其自感磁場(chǎng)的作用下，產(chǎn)生徑向和軸向電磁力；該電磁力又在攪拌磁場(chǎng)的作用下發(fā)生旋轉(zhuǎn)，產(chǎn)生切向電磁力；隨熔煉電流線性變化，磁場(chǎng)切向分量和電磁力的徑向和軸向合力均呈線性變化；隨攪拌電流線性變化，磁場(chǎng)軸向分量和電磁力徑向分量均呈線性變化。

    Abstract:

    The Maxwell 3D module in Ansys Electromagnetics Suite was used to establish a mathematical and physical model for electromagnetic field in the vacuum arc remelting process of titanium alloy, and the interaction law of current, magnetic field and electromagnetic force in the melting process was analyzed. The results show that the current in the ingot is centripetal and concentrated within 350 mm of the upper part of the ingot. Tangential magnetic field is generated by smelting current and axial magnetic field is generated by stirring current, which are simply coupled. Under the action of smelting current and its self-induced magnetic field, radial and axial electromagnetic forces are generated; the electromagnetic force rotates under the action of the stirring magnetic field, generating tangential electromagnetic force. With the change of smelting current, the tangential component of magnetic field and the radial and axial resultant force of electromagnetic force change linearly. The axial component of the magnetic field and the radial component of the electromagnetic force change linearly with the stirring current.

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靖振權(quán),孫彥輝,陳煉,耿乃濤,鄭友平,彭力,王瑩.鈦合金真空自耗熔煉過(guò)程中電流、磁場(chǎng)和電磁力數(shù)值模擬[J].稀有金屬材料與工程,2023,52(6):1994~2001.[Jing Zhenquan, Sun Yanhui, Chen Lian, Geng Naitao, Zheng Youping, Peng Li, Wang Ying. Numerical Simulation of Current, Magnetic Field and Electromagnetic Force in Vacuum Arc Remelting of Titanium Alloy[J]. Rare Metal Materials and Engineering,2023,52(6):1994~2001.]
DOI：10.12442/j. issn.1002-185X.20220826

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歷史
  • 收稿日期:2022-10-20
  • 最后修改日期:2023-02-17
  • 錄用日期:2023-03-03
  • 在線發(fā)布日期: 2023-07-03
  • 出版日期: 2023-06-30