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Phase field modelling of dendrite fragmentation during thermal shock

Guo, Z.; Mi, Jia Wei; Grant, Patrick S.


Z. Guo

Patrick S. Grant


The dendrite grain growth of a succinonitrile based transparent alloy, their fragmentation under an intense thermal shock and the subsequnet morphology evolution during solidification have been simulated using a two-dimensional binary alloy phase field model coupled with heat and solute transfer. The effect of a sudden, rapid change in the thermal environment (thermal shock) was implemented in the model and the resulting effect on the incipient dendritic grain morphology was studied. Thermal shock effectively promoted the fragmentation of the dendritic grains, providing a significant grain multiplication effect to refine the final solidification microstructure.


Guo, Z., Mi, J. W., & Grant, P. S. (2010). Phase field modelling of dendrite fragmentation during thermal shock. Materials Science Forum, 654-656, 1524-1527.

Journal Article Type Article
Acceptance Date Aug 2, 2010
Publication Date Aug 2, 2010
Journal Materials Science Forum
Print ISSN 0255-5476
Publisher Trans Tech Publications
Peer Reviewed Peer Reviewed
Volume 654-656
Pages 1524-1527
Public URL