Two dimensional probabilistic model of evolution of dendritic grain structures in undercooled melts
Authors: Brown, S. G. R.; Spittle, J. A.
Source: Materials Science and Technology, Volume 10, Number 9, September 1994 , pp. 793-796(4)
Publisher: Maney Publishing
Abstract:A two dimensional probabilistic cellular automaton model has been developed to simulate the evolution of a dendritic grain structure during the solidification of an undercooled pure melt. The computer model incorporates rules for simulating heat transfer and grain nucleation and growth, as well as routines that enable short and long range transport of grains in the melt. Grain growth is restricted by procedures simulating latent heat rejection and capillarity. The model is used to examine the influences of the degree of undercooling and of chilling of the melt surface on grain structure.
Document Type: Research Article
Publication date: 1994-09-01
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