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Numerical simulation of equiaxed growth of Ni-based alloy in multi-directional flowing melt
Feng, Xiaohui1,2; Zhang, Yi1,2; Zhang, Kuiliang1,2; Huang, Qiuyan1; Yang, Yuansheng1,2
Corresponding AuthorYang, Yuansheng(ysyang@imr.ac.cn)
2020-02-15
Source PublicationCOMPUTATIONAL MATERIALS SCIENCE
ISSN0927-0256
Volume173Pages:8
AbstractA model for crystal growth in multi-directional flowing melt was built to study the crystal morphology evolution during solidification under forced convection. Based on the model, the formation of non-dendritic structure of Ni-based alloy solidified with forced convection was numerically investigated by the cellular automata method. The results indicate that the crystal morphology strongly depends on the flow directions. The change of flow directions brings a much different condition for crystal growth, including heat transfer and solute diffusion in front of the solid-liquid interface, which eventually results in the formation of non-dendritic morphology. Besides, it is found that the influence of forced convection on the crystal growth is closely related to the cooling condition. The forced convection has to be intensive enough to achieve the non-dendritic morphology for the solidification condition with high cooling rate.
KeywordNumerical simulation Crystal growth No-dendritic morphology Forced convection
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.commatsci.2019.109408
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51674236]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000506172700043
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/136767
Collection中国科学院金属研究所
Corresponding AuthorYang, Yuansheng
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Feng, Xiaohui,Zhang, Yi,Zhang, Kuiliang,et al. Numerical simulation of equiaxed growth of Ni-based alloy in multi-directional flowing melt[J]. COMPUTATIONAL MATERIALS SCIENCE,2020,173:8.
APA Feng, Xiaohui,Zhang, Yi,Zhang, Kuiliang,Huang, Qiuyan,&Yang, Yuansheng.(2020).Numerical simulation of equiaxed growth of Ni-based alloy in multi-directional flowing melt.COMPUTATIONAL MATERIALS SCIENCE,173,8.
MLA Feng, Xiaohui,et al."Numerical simulation of equiaxed growth of Ni-based alloy in multi-directional flowing melt".COMPUTATIONAL MATERIALS SCIENCE 173(2020):8.
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