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An anisotropic lattice Boltzmann - phase field model for dendrite growth and movement in rapid solidification of binary alloys

Shilin Mao1*, Yuting Cao2,1, Wei Chen3, Dongke Sun1*

1 Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing 211189, China

2 Department of Mechanical Engineering, University of Michigan, 2350 Hayward St., G. G. Brown Building, Ann Arbor, MI 48109, United States

3 Power Beam Processing Lab, AVIC Manufacturing Technology Institute, Beijing 100024, China

* Corresponding authors emails: shilinmao@seu.edu.cn, dksun@seu.edu.cn
DOI10.24435/materialscloud:wb-sf [version v1]

Publication date: Mar 06, 2024

How to cite this record

Shilin Mao, Yuting Cao, Wei Chen, Dongke Sun, An anisotropic lattice Boltzmann - phase field model for dendrite growth and movement in rapid solidification of binary alloys, Materials Cloud Archive 2024.44 (2024), https://doi.org/10.24435/materialscloud:wb-sf

Description

In this paper, we proposed a model coupling the lattice Boltzmann and the phase field methods with anisotropic effects is proposed, which is used to numerically describe the growth and movement of dendrites in rapid solidification of alloys. The model was applied to investigate the effects of dendrite movement and interfacial non-equilibrium on evolution of dendritic patterns for Si-9.0at%As and the CET for Al-3.0wt%Cu alloys. Both the growth and remelt processes of isolated dendrites are studied, and the result reveals the remelting influences on dendrite growth and solute micro-segregation in the condition of directional solidification. This dataset contains the underlying data for the above. This work demonstrates that the proposed model has a wide range of applicability and great potential to simulate the microstructure evolution with various solidification conditions.

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External references

Journal reference
Shilin Mao, Yuting Cao, Wei Chen, Dongke Sun. An anisotropic lattice Boltzmann - phase field model for dendrite growth and movement in rapid solidification of binary alloys. npj Computational materials.(submitted)

Keywords

Lattice Boltzmann Phase field Rapid solidification Dendrite growth Solid sedimentation

Version history:

2024.44 (version v1) [This version] Mar 06, 2024 DOI10.24435/materialscloud:wb-sf