Numerical simulation of dendrite growth during solidification
Article
Article Title | Numerical simulation of dendrite growth during solidification |
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ERA Journal ID | 30802 |
Article Category | Article |
Authors | Yao, X. (Author), Wang, H. (Author), He, B. (Author) and Zhou, X. (Author) |
Journal Title | International Journal of Nonlinear Sciences and Numerical Simulation |
Journal Citation | 7 (2), pp. 171-176 |
Number of Pages | 6 |
Year | 2006 |
Publisher | Walter de Gruyter |
Place of Publication | Israel |
ISSN | 1565-1339 |
2191-0294 | |
Digital Object Identifier (DOI) | https://doi.org/10.1515/IJNSNS.2006.7.2.171 |
Web Address (URL) | https://www.degruyter.com/document/doi/10.1515/IJNSNS.2006.7.2.171/html |
Abstract | A comprehensive probabilistic model for simulating dendrite morphology and investigating dendritic growth kinetics during solidification has been developed, based on a modified Cellular Automaton (mCA) for microscopic modeling of nucleation, growth of crystals and solute diffusion. The mCA model numerically calculated solute redistribution both in the solid and liquid phases, the curvature of dendrite tips and the growth anisotropy. This modeling takes account of thermal, curvature and solute diffusion effects. Therefore, it can simulate microstructure formation both on the scale of grain size and dendrite tip length. This model was then applied for simulating dendritic solidification of an Al-7%Si alloy. Both directional and equiaxed dendritic growth has been performed to investigate the effect of growth anisotropy and cooling rate on dendrite morphology. Furthermore, competitive growth and selection of the dendritic crystals have also been investigated. |
Keywords | cellular automaton (CA), dendrite, solidification, crystal, crystallographic, morphology |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 401699. Materials engineering not elsewhere classified |
370505. Mineralogy and crystallography | |
401706. Numerical modelling and mechanical characterisation | |
Public Notes | The accessible file is the accepted version of the paper. Please refer to the URL for the published version. |
Byline Affiliations | University of Queensland |
Faculty of Engineering and Surveying | |
East China Jiaotong University, China |
https://research.usq.edu.au/item/9y58w/numerical-simulation-of-dendrite-growth-during-solidification
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