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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. 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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History
  • Received:January 30,2019
  • Revised:June 25,2019
  • Adopted:July 30,2019
  • Online: April 08,2020
  • Published: