Motion of Solid Grains During Magnetic Field-Assisted Directional Solidification
Journal Article
·
· Metallurgical and Materials Transactions B, Process Metallurgy and Materials Processing Science
- Shanghai University, State Key Laboratory of Advanced Special Steel (China)
- Northwestern Polytechnical University, State Key Laboratory of Solidification Processing (China)
- SIMAP/EPM (France)
- Aix Marseille University (France)
In this paper, we report the visible evidence for thermoelectric magnetic forces (TEMFs) during magnetic field-assisted directional solidification, and their potential to control the motion of solid grains(dendrite fragments or equiaxed grains). These motions are observed by means of synchrotron X-ray radiography and compared with analytic calculations for a spherical particle’s motion driven only by TEMFs, which confirms that the observed solid grain motions are the combined result of the TEMFs and gravity. We also carried out corresponding 3D numerical simulations to validate the calculations and further prove our conclusion that TEMF acts on the solid grain and affects its motion trajectory.
- OSTI ID:
- 22857971
- Journal Information:
- Metallurgical and Materials Transactions B, Process Metallurgy and Materials Processing Science, Journal Name: Metallurgical and Materials Transactions B, Process Metallurgy and Materials Processing Science Journal Issue: 3 Vol. 49; ISSN 1073-5615; ISSN MTBSEO
- Country of Publication:
- United States
- Language:
- English
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