Journal article review

A Review of Radial Segregation in Crystal Growth during Microgravity

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Publication Details

Author list: Carlberg, Torbjörn

Publication year: 2006

Start page: 213

End page: 222

Number of pages: 10

ISSN: 0960-8974

DOI: http://dx.doi.org/10.1016/j.pcrysgrow.2006.06.002

View additional information: View in Web of Science


Abstract

This review describes radial segregation results from crystal growth experiments in microgravity, together with their corre-sponding theoretical treatments. The paper is structured in terms of the different factors influencing radial segregation during crystal growth, such as: curved growth interfaces, variations in boundary layer thicknesses, weak convection, facets and magnetic fields. In a number of experiments considerably stronger radial segregation occurs in space than is normally observed on earth. The theoretical treatments lead to a sound understanding of all of the results. Possible ways to avoid the problem, such as the application of magnetic fields, are outlined.


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