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Phase-field modeling of complex dendritic structures in constrained growth of hexagonal close-packed crystals
Dong, Xianglei1; Lu, Yanli2; Zhao, Hongliang1; Han, Yongsheng3
2020-05-27
Source PublicationEUROPEAN PHYSICAL JOURNAL E
ISSN1292-8941
Volume43Issue:5Pages:10
AbstractWe 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.
KeywordTopical issue Branching Dynamics at the Mesoscopic Scale
DOI10.1140/epje/i2020-11950-3
Language英语
WOS KeywordDIRECTIONAL SOLIDIFICATION ; LATTICE BOLTZMANN ; ORIENTATION SELECTION ; SIMULATION ; INTERFACE ; ARRAYS ; MORPHOLOGY ; DIFFUSION
Funding ProjectNational 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 Research AreaChemistry ; Materials Science ; Physics ; Polymer Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Physics, Applied ; Polymer Science
Funding OrganizationNational Natural Science Foundation of China ; State Key Laboratory of Solidification Processing (Northwestern Polytechnical University) ; Postdoctoral Science Foundation of China
WOS IDWOS:000537113800002
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/40811
Collection中国科学院过程工程研究所
Corresponding AuthorZhao, Hongliang
Affiliation1.Zhengzhou Univ, Coll Mat Sci & Engn, Zhengzhou 450001, Peoples R China
2.Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing, Peoples R China
Recommended Citation
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.
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