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Particle incorporation in metallic melts during dendritic solidification-undercooling experiments under reduced gravity
T. Lierfeld, , M. Kolbe, T. Schenk, H. M. Singer, G. Eggeler, D. M. Herlach
Published in Elsevier BV
2007
Volume: 449-451
   
Pages: 689 - 692
Abstract
The interaction of ceramic particles with a dendritic solid/liquid-interface has been investigated by undercooling experiments with different levels of convection: (i) in a terrestrial electromagnetic levitation facility and (ii) in TEMPUS, a facility for containerless processing, under low gravity conditions during parabolic flights. Entrapment of particles in ground experiments and engulfment of a significant fraction of submicron particles under low gravity conditions are attributed to the lower level of convection in the latter experiments and to morphological features of dendritic solidification. X-ray radiography has been used for in situ observations of directional solidification in Al90Cu10 with alumina particles. © 2006 Elsevier B.V. All rights reserved.
About the journal
JournalData powered by TypesetMaterials Science and Engineering A
PublisherData powered by TypesetElsevier BV
ISSN09215093
Open AccessNo
Concepts (13)
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    DENDRITES (METALLOGRAPHY)
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    Gravitation
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    Metal melting
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    Microgravity
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    Solidification
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    UNDERCOOLING
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    X RAY RADIOGRAPHY
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    Dendritic solidification
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    PARTICLE PUSHING
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    Aluminum alloys
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    DENDRITES (METALLOGRAPHY)
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    UNDERCOOLING
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    X RAY RADIOGRAPHY