Morphological instability in freezing colloidal suspensions
- 12 December 2006
- journal article
- Published by The Royal Society in Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
- Vol. 463 (2079), 723-733
- https://doi.org/10.1098/rspa.2006.1790
Abstract
We present a linear stability analysis of a planar ice interface during unidirectional solidification of a hard-sphere colloidal suspension. We find that the interface can become unstable due to constitutional supercooling, yielding a new mechanism for pattern formation in colloidal systems. The interfacial stability is shown to depend strongly on the size and concentration of the particles. Increasing the particle radius tends to stabilize the interface, while increasing the concentration has a destabilizing effect. Additional effects that may influence the stability and morphology of such a system are described. © 2006 The Royal SocietyThis publication has 25 references indexed in Scilit:
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