Multi-scale dendritic patterns sequentially superimposed in a primary semi-solid matrix

doi:10.1016/j.jmst.2021.08.027

IMR OpenIR

	Multi-scale dendritic patterns sequentially superimposed in a primary semi-solid matrix
	Ma, Xiaoping; Li, Dianzhong
通讯作者	Ma, Xiaoping(xpma@imr.ac.cn)
	2022-04-30
发表期刊	JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN	1005-0302
卷号	107 页码:26-33
摘要	The principle and control for solidification present crucial challenges. Through in situ and real time observation on the solidification of M50 bearing steel, here we discovered that the base of conventional dendritic arms is constituted by a primary semi-solid matrix. Due to the superimposition of temperature fluctuations from the large to the subtle scale, multi-scale dendritic patterns will sequentially emerge and evolve in the primary semi-solid matrix. These findings redefine the essence of multi-scale dendrites as the multi-scale segregation patterns in the primary semi-solid matrix, reconstitute the time and space sequence in the formation of multi-scale dendrites, and reveal the superimposition of temperature fluctuation as the driving principle. These new understandings will fundamentally influence the solidification field. These results also indicate important engineering applications, such as designing multi-scale dendrites, controlling the dendritic segregation and eliminating the detrimental eutectics.
关键词	Solidification Dendrite Microstructures Microsegregation Macrosegregation
资助者	Youth Talent Project of Shenyang National Laboratory for Materials Science
DOI	10.1016/j.jmst.2021.08.027
收录类别	SCI
语种	英语
资助项目	Youth Talent Project of Shenyang National Laboratory for Materials Science[L2019F46] ; Youth Talent Project of Shenyang National Laboratory for Materials Science[TC190A4DA/35]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000773303300003
出版者	JOURNAL MATER SCI TECHNOL
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/173036
专题	中国科学院金属研究所
通讯作者	Ma, Xiaoping
作者单位	Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Wenhua Rd 72, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Ma, Xiaoping,Li, Dianzhong. Multi-scale dendritic patterns sequentially superimposed in a primary semi-solid matrix[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,107:26-33.
APA	Ma, Xiaoping,&Li, Dianzhong.(2022).Multi-scale dendritic patterns sequentially superimposed in a primary semi-solid matrix.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,107,26-33.
MLA	Ma, Xiaoping,et al."Multi-scale dendritic patterns sequentially superimposed in a primary semi-solid matrix".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 107(2022):26-33.