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Numerical Simulation of Small Plane Dendrite Growth in Directionally Solidified Polysilicon Based on LBM-CA Coupling Model
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Wang MA, Hongjian CHEN, Jia WANG, Ri LI
Journal of the Chinese Ceramic Society | 2020, 48(1) : 140 - 146
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Journal of the Chinese Ceramic Society | 2020, 48(1): 140-146
Numerical Simulation of Small Plane Dendrite Growth in Directionally Solidified Polysilicon Based on LBM-CA Coupling Model
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Wang MA, Hongjian CHEN, Jia WANG, Ri LI
Affiliations
  • School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130

    • MA Wang (1993-), male, Master. E-mail:

About Author:

MA Wang (1993-), male, Master. E-mail:

Published: 2020-01-20 doi: 10.14062/j.issn.0454-5648.20190159
Outline
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To investigate the growth of high anisotropic planar dendrites, the growth process and the shape of silicon planar dendrites considering both dynamic anisotropy and interfacial energy anisotropy were simulated by a lattice Boltzmann method coupled based on a cellular automata (LBM-CA) model. The related dynamic anisotropic equation was proposed and verified. The effects of interfacial energy anisotropy, dynamic anisotropy and undercooling on the growth of planar dendrites were analyzed. The results show that the planar dendrites exhibit more intense anisotropy than non-planar dendrites, the anisotropy of planar dendrites increases with the increase of interfacial energy anisotropy coefficient, and the anisotropy of planar dendrites increases significantly with the growth rate and partial orientation loss. The planar dendrites grow, and the anisotropy and orientation loss increase with the increase of undercooling. The growth rate, length and number of secondary dendrite arms increase with the increase of kinetic anisotropy.

polysilicon  /  numerical simulation  /  small plane dendrite  /  lattice Boltzmann  /  cellular automaton
马旺, 陈洪建, 王佳, 李日. 基于LBM-CA耦合模型的定向凝固多晶硅小平面枝晶生长数值模拟. 硅酸盐学报, 2020 , 48 (1) : 140 -146 . DOI: 10.14062/j.issn.0454-5648.20190159
Wang MA, Hongjian CHEN, Jia WANG, Ri LI. Numerical Simulation of Small Plane Dendrite Growth in Directionally Solidified Polysilicon Based on LBM-CA Coupling Model[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (1) : 140 -146 . DOI: 10.14062/j.issn.0454-5648.20190159
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Year 2020 volume 48 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20190159
  • Receive Date：2019-03-15
  • Online Date：2026-10-29
  • Published：2020-01-20
Article Data
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History
  • Received：2019-03-15
  • Revised：2019-06-20
Funding
Affiliations
    School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130

Corresponding:

CHEN Hongjian (1966-), male, Ph.D., Professor. E-mail:
LI Ri (1966-), male, Ph.D., Professor.
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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