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Title: Induced migration of non-magnetic particles and fabrication of metallic-based graded materials by applying a strong magnetic field
Authors: Sun, Zhi ×
Guo, Muxing
Vleugels, Jef
Blanpain, Bart
Van der Biest, Omer #
Issue Date: Apr-2011
Publisher: American Institute of Physics
Series Title: Journal of Applied Physics vol:109 issue:8 pages:-
Article number: 084917
Abstract: Strong magnetic fields e.g., 10 T are now frequently used during materials preparation. In the present paper, a method of metal-ceramics graded materials preparation is proposed by applying a strong magnetic field with a high gradient. Experimental and theoretical analyses are performed to investigate the effect of the strong magnetic field on the migration and interaction behavior of diamagnetic oxide particles in a liquid metal. The migration of micrometer or sub-micrometer sized particles is clearly enhanced by the magnetic field gradient. After being treated by the strong magnetic field, a self-assembly structure of the particles is achieved. Various factors such as the magnetic dipole-dipole interaction and chain-chain interaction, are governing the particles assembly. The present results provide direct evidence that nonmetallic particles of micrometer size or less can be manipulated in a conductive melt by applying a strong magnetic field and as a consequence graded materials can be prepared. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3579426]
ISSN: 0021-8979
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Chemical and Extractive Metallurgy Section (-)
Department of Materials Engineering - miscellaneous
Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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