期刊
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
卷 463, 期 2079, 页码 723-733出版社
ROYAL SOC
DOI: 10.1098/rspa.2006.1790
关键词
solidification; colloidal suspensions; linear stability
We present a linear stability analysis of a planar ice interface during unidirectional solidi. cation 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.
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