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Migration and rotation of TiAl3 particles in an Al-melt solidified under high magnetic field conditions
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2009 (English)In: Journal of Alloys and Compounds, ISSN 0925-8388, Vol. 472, no 1-2, 225-229 p.Article in journal (Refereed) Published
Abstract [en]

The effects of high magnetic fields on the migration and rotation of TiAl3 particles in an Al-7 wt.% Si alloy were studied. Without magnetic fields, the rod-like TiAl3 particles segregate at the lower part of the solidified structure. Under high uniform magnetic fields, these particles rotate to an orientation with their longitudinal axes parallel to the direction of the magnetic flux. The segregation of the particles reduces with the increase of the magnetic flux density. A negative gradient field enhances the effect of the uniform magnetic field. By altering high magnetic fields, Al-Si alloy samples containing homogeneously distributed and preferably aligned TiAl3 particles were prepared.

Place, publisher, year, edition, pages
2009. Vol. 472, no 1-2, 225-229 p.
Keyword [en]
Metal matrix composites, Anisotropy, High magnetic fields
National Category
Metallurgy and Metallic Materials
URN: urn:nbn:se:kth:diva-32347DOI: 10.1016/j.jallcom.2008.04.023ISI: 000264757200043ScopusID: 2-s2.0-61349171952OAI: diva2:410122
QC 20110412Available from: 2011-04-12 Created: 2011-04-12 Last updated: 2011-04-12Bibliographically approved

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Nakajima, Keiji
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Applied Process Metallurgy
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