Journal
METALS
Volume 12, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/met12101694
Keywords
numerical simulation; travelling magnetic field; transport phenomena; directional solidification; superalloy; solidification interface
Funding
- Natural Science Foundation of Chongqing [cstc2019jcyj-msxmX0183, cstc2020jcyj-msxmX0877]
- Science and Technology Research Program of Chongqing Municipal Education Commission [KJQN202001101, KJQN201901117, KJQN201901118]
- Scientific Research Foundation of Chongqing University of Technology
- Natural Science Basic Research Program of Shaanxi [2021JM-402]
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The roles of traveling magnetic fields (TMFs) during the solidification of nickel-based superalloys were simulated, and the evolution of thermal field, flow field, and solid-liquid interface morphology under different convection conditions were compared. The strength of TMFs in suppressing the interfacial flow was quantified, and its association with defect formation was discussed.
The roles of traveling magnetic fields (TMFs) within the transport phenomena during the directional solidification of nickel-based superalloys were simulated. The evolution of thermal field, flow field and solid-liquid interface morphology during the solidification process under both natural and forced convection conditions were also simulated and compared. The strength of TMFs window that suppresses the flow of the interfacial front in the melt was quantified. The association between flow velocity at the interface front and defect formation was discussed.
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