Numerical Simulation of Dendritic Morphology of Magnesium Alloys Using Phase Field Method

Acta Metall Sin

2008, Vol. 44

Issue (4): 483-488 DOI:

Research Articles

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Numerical Simulation of Dendritic Morphology of Magnesium Alloys Using Phase Field Method

;;Baicheng LIU

清华大学机械工程系

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Baicheng LIU. Numerical Simulation of Dendritic Morphology of Magnesium Alloys Using Phase Field Method. Acta Metall Sin, 2008, 44(4): 483-488 .

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Abstract Due to Magnesium alloys with hcp crystal structure, we established the phase field model of dendritic growth in two dimensions. Using the model coupled with heat noise, we simulated the process of dendritic growth of Magnesium alloys. From simulation results, some phenomena of dendritic growth were found, such as necking and competitive growth, and there is a high consistency of dendritic morphologies between simulation and experiment. Meanwhile, we analyzed the influence of parameters on dendritic morphology.

Key words: Phase Field Magnesium Alloys Dendritic Morphology Numerical Simulation

Received: 29 September 2007

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2008/V44/I4/483

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