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電弧增材制造TC4鈦合金不同掃描策略初生β晶粒宏觀形態(tài)演變
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西北工業(yè)大學(xué)

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國家重點(diǎn)研發(fā)計劃項目(2016YFB1100104)


Effects of different deposition strategies on prior-β grain morphology by wire and arc additive manufactured Ti-6Al-4V components
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Northwestern Polytechnical University

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National Key Research and Development Programme (2016YFB1100104)

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    Abstract:

    Macrostructural characterisation was performed for Ti-6Al-4V components produced by wire and arc additive manufacturing (WAAM) to investigate the effects of different deposition direction and interlayer dwell time on grain morphology of prior-β. By extending the interlayer dwell time between each deposited layer, the full equiaxed β grain were obtained. The results indicated that the equiaxed β grains at the bottom were caused by recrystallization. The sizes of the equiaxed β grains at the bottom were both affected by the thermal cycle and the degree of recrystallization.

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王健.電弧增材制造TC4鈦合金不同掃描策略初生β晶粒宏觀形態(tài)演變[J].稀有金屬材料與工程,2020,49(3):857~861.[王健. Effects of different deposition strategies on prior-β grain morphology by wire and arc additive manufactured Ti-6Al-4V components[J]. Rare Metal Materials and Engineering,2020,49(3):857~861.]
DOI：10.12442/j. issn.1002-185X.17Ti2019192

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  • 收稿日期:2019-01-30
  • 最后修改日期:2019-06-25
  • 錄用日期:2019-07-30
  • 在線發(fā)布日期: 2020-04-08
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