Phase field investigation on the initial planar instability with surface tension anisotropy during directional solidification of binary alloys

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Abstract

Phase field investigation reveals that the stability of the planar interface is related to the anisotropic intensity of surface tension and the misorientation of preferred crystallographic orientation with respect to the heat flow direction. The large anisotropic intensity may compete to determine the stability of the planar interface. The destabilizing effect or the stabilizing effect depends on the misorientation. Moreover, the interface morphology of initial instability is also affected by the surface tension anisotropy.

Original languageEnglish
Article number017305
JournalChinese Physics B
Volume19
Issue number1
DOIs
StatePublished - 2010

Keywords

  • Directional solidification
  • Interfacial stability
  • Surface tension anisotropy

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