NDLI: Simulation of faceted dendrite growth of non-isothermal alloy in forced flow by phase field method

Content Provider	Springer Nature Link
Author	Chen, Zhi Hao, Li mei Chen, Chang le
Copyright Year	2011
Abstract	Numerical simulation based on a new regularized phase field model was presented to simulate the dendritic shape of a non-isothermal alloy with strong anisotropy in a forced flow. The simulation results show that a crystal nucleus grows into a symmetric dendrite in a free flow and into an asymmetry dendrite in a forced flow. As the forced flow velocity is increased, both of the promoting effect on the upstream arm and the inhibiting effects on the downstream and perpendicular arms are intensified, and the perpendicular arm tilts to the upstream direction. With increasing the anisotropy value to 0.14, all of the dendrite arms tip velocities are gradually stabilized and finally reach their relative saturation values. In addition, the effects of an undercooling parameter and a forced compound flow on the faceted dendrite growth were also investigated.
Starting Page	1780
Ending Page	1788
Page Count	9
File Format	PDF
ISSN	10059784
Journal	Journal of Central South University of Technology
Volume Number	18
Issue Number	6
e-ISSN	19930666
Language	English
Publisher	Central South University
Publisher Date	2011-12-02
Publisher Place	Heidelberg
Access Restriction	Subscribed
Subject Keyword	phase field method forced flow strong anisotropy faceted dendrite steady state tip velocity Engineering Metallic Materials
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Materials Science Mechanical Engineering

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Simulation of faceted dendrite growth of non-isothermal alloy in forced flow by phase field method