Phase-field modeling of complex dendritic structures in constrained growth of hexagonal close-packed crystals

doi:10.1140/epje/i2020-11950-3

	Phase-field modeling of complex dendritic structures in constrained growth of hexagonal close-packed crystals
	Dong, Xianglei 1; Lu, Yanli 3; Zhao, Hongliang 1; Han, Yongsheng 2
刊名	EUROPEAN PHYSICAL JOURNAL E
	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
DOI	10.1140/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.
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关键词	DIRECTIONAL SOLIDIFICATION ; LATTICE BOLTZMANN ; ORIENTATION SELECTION ; SIMULATION ; INTERFACE ; ARRAYS ; MORPHOLOGY ; DIFFUSION
WOS研究方向	Chemistry ; Materials Science ; Physics ; Polymer Science
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000537113800002
资助机构	National Natural Science Foundation of China ; State Key Laboratory of Solidification Processing (Northwestern Polytechnical University) ; Postdoctoral Science Foundation of China
内容类型	期刊论文
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.Zhengzhou Univ, Coll Mat Sci & Engn, Zhengzhou 450001, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing, Peoples R China 3.Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, 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.