| 脉冲磁场下电磁力特性研究:凝固实验 |
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| 引用本文： | 华骏山,张永杰,王恩刚,赫冀成.脉冲磁场下电磁力特性研究:凝固实验[J].东北大学学报(自然科学版),2011,32(2):258-261. |
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| 作者姓名： | 华骏山 张永杰 王恩刚 赫冀成 |
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| 作者单位： | 华骏山,王恩刚,赫冀成,HUA Jun-shan,WANG En-gang,HE Ji-cheng(东北大学,材料电磁过程教育部重点实验室,辽宁,沈阳,110819);张永杰,ZHANG Yong-jie(东北大学,材料电磁过程教育部重点实验室,辽宁,沈阳,110819;宝钢研究院,上海,201900) |
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| 基金项目： | 国家高技术研究发展计划项目，国家自然科学基金资助项目 |
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| 摘 要： | 采用低熔点金属伍德合金研究了工频脉冲磁场对金属液面波动行为的影响规律:工频脉冲磁场的周向电磁力搅拌熔体使其形成环状涡流;而径向电磁力在其表现为压力作用时使熔体在中心形成圆形液柱,表现为拉力作用时使熔体在中心形成圆形漩涡.另外,采用Sn-20%Pb合金研究了工频脉冲磁场对铸坯质量的影响:工频脉冲磁场的作用不仪使Sn-Pb...
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| 关 键 词： | 脉冲磁场 电磁力 晶粒细化 表面质量 |
On the Characteristics of Pulsed Electromagnetic Force:Solidification Experiment |
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| HUA Jun-shan,ZHANG Yong-jie,WANG En-gang,HE Ji-cheng.On the Characteristics of Pulsed Electromagnetic Force:Solidification Experiment[J].Journal of Northeastern University(Natural Science),2011,32(2):258-261. |
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| Authors: | HUA Jun-shan ZHANG Yong-jie WANG En-gang HE Ji-cheng |
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| Institution: | HUA Jun-shan1,ZHANG Yong-jie1,2,WANG En-gang1,HE Ji-cheng1(1.Key Laboratory of Electromagnetic Processing of Materials,Ministry of Education,Northeastern University,Shenyang 110819,China,2.Baosteel Research Institute,Shanghai 201900,China.) |
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| Abstract: | With the low-melting-point Wood's metal used,how the PMF(pulsed magnetic field) affects the fluctuation behavior of melt meniscus in PMF was investigated,where the melt was stirred with the peripheral electromagnetic force to form a vertex,while the radial electromagnetic force formed a liquid cylinder and vertex at the central part of melt if the force played a role of compression and tension,respectively.Moreover,the Sn-20wt% Pb alloy was applied to investigating the effect of the PMF on the quality of bi... |
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| Keywords: | pulsed magnetic field electromagnetic force grain refinement surface quality |
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