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Numerical Simulation of Electron Beam Melting Vanadium Alloys by Finite Element Method
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Institute of Materials,China Academy of Engineering Physics

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Fund Project:

The Science and Technology Development Foundation of Chinese Academy of Engineering Physics (Grant No. 2015B0203031), and the Science Challenge Program (Grant No. TZ20160040201)

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    Abstract:

    In this article, a mathematical model was developed to investigate the electron beam melting (EBM) process of vanadium alloys. The temperature distribution of molten V-4Cr-4Ti alloy was obtained by using the model. The effects of different parameters of electron beam melting process on the temperature field and the shape of molten pool were studied. The results showed that the temperature field and the shape of molten pool were influenced by the melting power and scanning radius. With the melting power increasing, the max melt temperature increased linearly and the width and depth of molten pool increased gradually. With the scanning radius increasing, the max melt temperature increased first and then reduced. The optimized parameters of refining vanadium were obtained, and the accuracy of the model was validated by the experimental data.

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[Su Bin, Chen Daoming, Wang Zhenhong, Ma Rong, Li Yufei, Xia Shengquan. Numerical Simulation of Electron Beam Melting Vanadium Alloys by Finite Element Method[J]. Rare Metal Materials and Engineering,2019,48(3):711~715.]
DOI:10.12442/j. issn.1002-185X.20170925

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History
  • Received:October 15,2017
  • Revised:November 07,2017
  • Adopted:December 13,2017
  • Online: April 10,2019
  • Published: