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首页> 外文会议>Annual Meeting Exhibition of The Minerals, Metals Materials Society >Preparation of Ti-6Al-4V Alloy Powder by Aluminothermic Reduction
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Preparation of Ti-6Al-4V Alloy Powder by Aluminothermic Reduction

机译：通过铝热还原制备Ti-6Al-4V合金粉末

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摘要

In the present work, a novel method for preparing Ti-6Al-4V powder with Na_2TiF_6 and Al-V alloy as raw materials via aluminothermic reduction was studied in laboratory scale. The entire process of the two-stage aluminothermic reduction was introduced in detail. The products were analyzed by X-ray diffraction, inductively coupled plasma optical emission spectrometry, and scanning electron microscopy. The mechanism of preparing Ti-6Al-4V by aluminothermic reduction was discussed. The results show that the aluminothermic reduction of Na_2TiF_6 was a stepwise reduction process and vanadium did not participate in the reaction during reduction process. Some Ti sub-fluorides and Al sub-fluorides also generated during the reduction process. Spherical or near-spherical Ti-6Al-4V alloy with uniform distribution of aluminum and vanadium can be obtained after the reduction process and ball milling process.
机译：在目前的作用中，在实验室规模中研究了通过铝热还原用Na_2tif_6和Al-V合金用Na_2TIF_6和Al-V合金制备Ti-6Al-4V粉末的新方法。详细介绍了两级铝热还原的整个过程。通过X射线衍射，电感耦合等离子体光发射光谱法和扫描电子显微镜分析产物。讨论了通过铝热还原制备Ti-6Al-4V的机制。结果表明，Na_2tif_6的铝热还原是逐步减少过程，钒在还原过程中未参与反应。在还原过程中也产生了一些Ti亚氟化物和Al氟化物。在还原过程和球磨过程之后，可以获得具有均匀铝和钒的球形或近球形Ti-6Al-4V合金。

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