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首页> 外文期刊>Journal of Materials Engineering and Performance >Macrosegregation Behavior of Ti-10V-2Fe-3Al Alloy During Vacuum Consumable Arc Remelting Process
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Macrosegregation Behavior of Ti-10V-2Fe-3Al Alloy During Vacuum Consumable Arc Remelting Process

机译：真空消耗电弧重熔过程中Ti-10V-2Fe-3Al合金的宏观偏析行为

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摘要

The effects of melting current and magnetic field in vacuum consumable arc remelting (VAR) process on the macrosegregation of Ti-10V-2Fe-3Al ingot are investigated in this paper. The results show that Fe content increases gradually from the bottom to the top of ingots along axial direction and the degree of macrosegregation is greater in the radial direction in the middle of the ingot versus the top and bottom. The macrosegregation rate of Fe element is higher with melting current of 2.6 kA than that of 1.7 kA in Ti-10V-2Al-3Fe ingot. There are two forces, buoyancy and Lorentz forces which arise from the flow of current through the pool of VAR when without magnetic stirring, but a new Lorentz force arising from the presence of external inductors occurs with adding magnetic stirring which decreases the macrosegregation rate of Fe element in Ti-10V-2Fe-3Al.
机译：研究了真空自耗电弧重熔（VAR）过程中的熔化电流和磁场对Ti-10V-2Fe-3Al铸锭宏观偏析的影响。结果表明，Fe含量沿轴向从铸锭的底部到顶部逐渐增加，并且铸锭中间相对于顶部和底部的径向宏观偏析程度更大。在熔化电流为2.6 kA时，Fe元素的宏观偏析率高于在Ti-10V-2Al-3Fe铸锭中为1.7 kA。在没有磁力搅拌的情况下，有两种力（浮力和洛伦兹力）是由流过VAR池的电流引起的，但是由于存在外部感应器而产生的新的洛伦兹力会随着添加磁力搅拌而发生，这会降低铁的宏观偏析率Ti-10V-2Fe-3Al中的元素。

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