Title

A Modified Mullins-Sekerka Stability Analysis Including Surface Energy Effects

Abstract

An excess enthalpy correction is proposed to the energy balance condition at the solid-liquid interface used in the morphological stability analysis of a planar interface. The Mullins-Sekerka stability criterion is modified to account for this excess enthalpy. Numerical calculations show that the correction is especially significant at larger growth velocities; larger positive values of excess enthalpy have a stabilizing influence on the interface.

Date of this Version

4-22-1993

Published in:

L. Zhang and S. V. Garimella, “A Modified Mullins-Sekerka Stability Analysis Including Surface Energy Effects,” Journal of Applied Physics, Vol. 74, No. 4, pp. 2494-2500, 1993.

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