A MODIFIED MULLINS-SEKERKA STABILITY ANALYSIS INCLUDING SURFACE-ENERGY EFFECTS

Authors
LEI Z GARIMELLA SV
Citation
Z. Lei et Sv. Garimella, A MODIFIED MULLINS-SEKERKA STABILITY ANALYSIS INCLUDING SURFACE-ENERGY EFFECTS, Journal of applied physics, 74(4), 1993, pp. 2494-2500
Citations number
15
Categorie Soggetti
Physics, Applied
Journal title
Journal of applied physics → ACNP
ISSN journal
00218979
Volume
74
Issue
4
Year of publication
1993
Pages
2494 - 2500
Database
ISI
SICI code
0021-8979(1993)74:4<2494:AMMSAI>2.0.ZU;2-Y
Abstract
An excess enthalpy correction is proposed to the energy balance condit ion at the solid-liquid interface used in the morphological stability analysis of a planar interface. The Mullins-Sekerka stability criterio n is modified to account for this excess enthalpy. Numerical calculati ons show that the correction is especially significant at larger growt h velocities; larger positive values of excess enthalpy have a stabili zing influence on the interface.