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基于有限元法的釩合金電子束熔煉過程數(shù)值模擬研究
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中國工程物理研究院材料研究所

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中國工程物理研究院科技發(fā)展基金（編號(hào)：2015B0203031）；科學(xué)挑戰(zhàn)計(jì)劃（編號(hào)：TZ20160040201）


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

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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    摘要:

    基于ANSYS有限元軟件建立了釩合金電子束熔煉過程的數(shù)理模型,對(duì)V-4Cr-4Ti合金電子束熔煉過程進(jìn)行了數(shù)值模擬,研究了不同熔煉工藝參數(shù)下的熔煉過程溫度場(chǎng)分布規(guī)律以及熔池形狀。研究結(jié)果表明：熔煉過程溫度場(chǎng)分布及熔池形狀受到熔煉功率及掃描半徑的影響。隨著熔煉功率的增大,熔池最高溫度將會(huì)線性增大,熔池寬度和深度將會(huì)逐漸增大。隨著掃描半徑的增大,熔池最高溫度將會(huì)先增大后減小,通過分析獲得了V-4Cr-4Ti合金電子束熔煉的最佳工藝參數(shù)。實(shí)驗(yàn)結(jié)果表明,在優(yōu)化后的工藝條件下,釩合金電子束熔煉鑄錠質(zhì)量得到一定提升。

    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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蘇斌,陳道明,王震宏,馬榮,李魚飛,夏勝全.基于有限元法的釩合金電子束熔煉過程數(shù)值模擬研究[J].稀有金屬材料與工程,2019,47(3):711~715.[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,2019,47(3):711~715.]
DOI：10.12442/j. issn.1002-185X.20170925

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  • 收稿日期:2017-10-15
  • 最后修改日期:2017-11-07
  • 錄用日期:2017-12-13
  • 在線發(fā)布日期: 2019-04-10
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