| Issue |
EPL
Volume 111, Number 2, July 2015
|
|
|---|---|---|
| Article Number | 28004 | |
| Number of page(s) | 6 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/111/28004 | |
| Published online | 19 August 2015 | |
Effect of a transverse magnetic field on solidification structure in directionally solidified Al-Cu-Ag ternary alloys
1 Department of Material Science and Engineering, Shanghai University - Shanghai, 200072, PRC
2 SIMAP-EPM-Grenoble INP UJF CNRS - BP 75, 38402 St. Martin d'Heres Cedex, France
(a) Present address: SIMAP-EPM-Madylam/G-INP/CNRS, PHELMA - BP 75, 38402 St. Martin d'Heres Cédex, France; lx_net@sina.com
Received: 24 April 2015
Accepted: 21 July 2015
The effect of a transverse magnetic field on solidification structure in directionally solidified Al-Cu-Ag ternary alloys was investigated experimentally. The results show that the application of the transverse magnetic field significantly modified the solidification structures. Indeed, the magnetic field caused the formation of macrosegregation and the transformation of the liquid/solid interface from cellular to planar. Moreover, it was found that the magnetic field refined the eutectic cell and decreased the mushy zone length. This may be attributed to the thermoelectric magnetic convection between eutectic cells.
PACS: 81.30.-t – Phase diagrams and microstructures developed by solidification and solid-solid phase transformations / 47.65.Cb – Magnetic fluids and ferrofluids / 75.47.-m – Magnetotransport phenomena; materials for magnetotransport
© EPLA, 2015
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