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Chinese Academy of Sciences Institutional Repositories Grid
Phase-field modeling of complex dendritic structures in constrained growth of hexagonal close-packed crystals

文献类型:期刊论文

作者Dong, Xianglei3; Lu, Yanli2; Zhao, Hongliang3; Han, Yongsheng1
刊名EUROPEAN PHYSICAL JOURNAL E
出版日期2020-05-27
卷号43期号:5页码:10
关键词Topical issue Branching Dynamics at the Mesoscopic Scale
ISSN号1292-8941
DOI10.1140/epje/i2020-11950-3
英文摘要We perform the phase-field modeling to investigate the growth pattern selections of the complex dendritic structures in constrained growth with different solidification and orientation conditions. The results show that hexagonal close-packed (hcp) crystals emerge as dendritic and cellular arrays in different planes, originating from the specific hcp anisotropy that allows different growth preferences between the basal and cylindrical planes. A morphological transition of the titled dendrites to tip-splitting dendrites arises reflecting the competition between the preferred orientation induced primary growth and the misorientation induced sidebranching formation. Furthermore, the dendritic patterns exhibit sharper tips and the more significant sidebranches, while the cellular pattern is changed from the symmetric cells to the tip-splitting cells, and to seaweeds with the increase of anisotropy strength, indicating the competitive mechanism of the in-plane anisotropy induced growth promotion and the out-plane anisotropy induced growth restriction. We expect to understand the growth competition, the morphology selection, as well as the orientation dependence of the complex dendritic structures in the three-dimensional (3D) constrained growth.
WOS关键词DIRECTIONAL SOLIDIFICATION ; LATTICE BOLTZMANN ; ORIENTATION SELECTION ; SIMULATION ; INTERFACE ; ARRAYS ; MORPHOLOGY ; DIFFUSION
资助项目National Natural Science Foundation of China[51801186] ; National Natural Science Foundation of China[51974281] ; State Key Laboratory of Solidification Processing (Northwestern Polytechnical University)[SKLSP201814] ; Postdoctoral Science Foundation of China[2018M642776]
WOS研究方向Chemistry ; Materials Science ; Physics ; Polymer Science
语种英语
WOS记录号WOS:000537113800002
出版者SPRINGER
资助机构National Natural Science Foundation of China ; State Key Laboratory of Solidification Processing (Northwestern Polytechnical University) ; Postdoctoral Science Foundation of China
源URL[http://ir.ipe.ac.cn/handle/122111/40810]  
专题中国科学院过程工程研究所
通讯作者Zhao, Hongliang
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing, Peoples R China
2.Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
3.Zhengzhou Univ, Coll Mat Sci & Engn, Zhengzhou 450001, Peoples R China
推荐引用方式
GB/T 7714
Dong, Xianglei,Lu, Yanli,Zhao, Hongliang,et al. Phase-field modeling of complex dendritic structures in constrained growth of hexagonal close-packed crystals[J]. EUROPEAN PHYSICAL JOURNAL E,2020,43(5):10.
APA Dong, Xianglei,Lu, Yanli,Zhao, Hongliang,&Han, Yongsheng.(2020).Phase-field modeling of complex dendritic structures in constrained growth of hexagonal close-packed crystals.EUROPEAN PHYSICAL JOURNAL E,43(5),10.
MLA Dong, Xianglei,et al."Phase-field modeling of complex dendritic structures in constrained growth of hexagonal close-packed crystals".EUROPEAN PHYSICAL JOURNAL E 43.5(2020):10.

入库方式: OAI收割

来源:过程工程研究所

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