Comparative study of gravity effects in directional solidification of Al-3.5 wt.% Si and Al-10 wt.% Cu alloys

doi:10.1038/s41526-024-00454-9

IMR OpenIR

	Comparative study of gravity effects in directional solidification of Al-3.5 wt.% Si and Al-10 wt.% Cu alloys
	Zhang, Guiyuan 1,2; Luo, Xinghong 1,2; Li, Yang 2; Liu, Shi 1,2
通讯作者	Luo, Xinghong(xhluo@imr.ac.cn)
	2024-12-19
发表期刊	NPJ MICROGRAVITY
卷号	10 期号:1 页码:11
摘要	Directional solidification experiments of Al-3.5 wt.% Si and Al-10 wt.% Cu alloys were conducted under gravity and microgravity conditions using a 50-m-high drop tube. The solidification morphology of the two alloys is mainly columnar dendrites and equiaxed dendrites, respectively. The dendrite arm spacing (DAS), eutectic content, grain size, and compositional distribution of both alloys exhibit distinct characteristics under gravity and microgravity conditions. The study introduces an innovative perspective by taking solute density and its redistribution behavior into account when discussing the gravity effects during the directional solidification of alloys. The results indicate that the way gravity works on the solidification behavior of alloys depends strongly on the redistribution behavior and density of solute as well as crystallization modes, such as columnar grain or equiaxed grain. These findings are helpful in clarifying the coupling mechanism of gravity and relevant factors on the solidification of alloys, not only contributing to understanding the effect of gravity on solidification better but also offering valuable guidance for eliminating solidification segregation and producing high-performance alloys.
资助者	the Space Application System of China Manned Space Program ; Space Application System of China Manned Space Program
DOI	10.1038/s41526-024-00454-9
收录类别	SCI
语种	英语
资助项目	the Space Application System of China Manned Space Program ; Space Application System of China Manned Space Program
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:001380502300005
出版者	NATURE PORTFOLIO
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/181131
专题	中国科学院金属研究所
通讯作者	Luo, Xinghong
作者单位	1.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Guiyuan,Luo, Xinghong,Li, Yang,et al. Comparative study of gravity effects in directional solidification of Al-3.5 wt.% Si and Al-10 wt.% Cu alloys[J]. NPJ MICROGRAVITY,2024,10(1):11.
APA	Zhang, Guiyuan,Luo, Xinghong,Li, Yang,&Liu, Shi.(2024).Comparative study of gravity effects in directional solidification of Al-3.5 wt.% Si and Al-10 wt.% Cu alloys.NPJ MICROGRAVITY,10(1),11.
MLA	Zhang, Guiyuan,et al."Comparative study of gravity effects in directional solidification of Al-3.5 wt.% Si and Al-10 wt.% Cu alloys".NPJ MICROGRAVITY 10.1(2024):11.