Title: Analysis of the isothermal crystallization of CaSiO3 in a CaO-Al2O3-SiO2 melt through in situ observations
Authors: Heulens, Jeroen ×
Blanpain, Bart
Moelans, Nele #
Issue Date: Sep-2011
Publisher: Elsevier Science Publishers
Series Title: Journal of the European Ceramic Society vol:31 issue:10 pages:1873-1879
Abstract: Crystal growth of Wollastonite (CaO.SiO2) in a 42CaO–10Al2O3–48SiO2 melt is observed in situ at 1320°C and 1370°C using a high-temperature confocal scanning laser microscope (CSLM). The crystallization is initiated by seeding the melt with Wollastonite particles, which is the primary phase at these temperatures and composition. At 1370°C, a faceted growth form is observed, while at 1320°C, dendritic, non-faceted growth occurs. The dendrite tip velocity is measured and compared with Ivantsov’s theory. The presented experimental technique proofs to be successful for characterizing isothermal crystallization of minerals in silicate melts.
ISSN: 0955-2219
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Materials Engineering - miscellaneous
Chemical and Extractive Metallurgy Section (-)
× corresponding author
# (joint) last author

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