Title: Resolidification of metal matrix composites in microgravity
Authors: Van Vugt, Cornelia ×
Froyen, Ludo #
Issue Date: 2000
Publisher: Trans Tech Publications
Series Title: Materials science forum vol:329-330 pages:145-150
Abstract: During EuroMIR 94 (Altibor) and EuroMIR 95 (Alinsitu) space experiments, the influence of gravity on segregation and clustering of ceramic particles in an aluminium matrix is investigated, in combination with the effect of the thermal gradient and cooling rate. The reinforcements were respectively TiB2 and SiC. On comparison with the ground processed reference samples it appears that the distribution of the particles in the resolidified material is much more homogeneous, due to sedimentation of the reinforcements. On microscopic scale, differences in particle distribution can be found at a slow and fast cooling. The agglomeration of particles increases with a decreasing of the thermal gradient. In all used systems the particles arranged as a three dimensional skeleton during the liquid state, which interact with the solid-liquid interface during solidification.
ISSN: 0255-5476
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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