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题名:
Effect of traveling magnetic field on solute distribution and dendritic growth in unidirectionally solidifying Sn-50 wt%Pb alloy: An in situ observation
作者: Cao, F; Yang, FF; Kang, HJ; Zou, CL; Xiao, TQ; Huang, WX; Wang, TM
刊名: JOURNAL OF CRYSTAL GROWTH
出版日期: 2016
卷号: 450, 页码:91-95
关键词: Directional solidification ; Convection ; Traveling magnetic field ; Synchrotron X-ray radiography ; Dendritic growth ; Sn-Pb alloy
DOI: 10.1016/j.jcrysgro.2016.06.034
通讯作者: Wang, TM (reprint author), Dalian Univ Technol, Key Lab Solidificat Control & Digital Preparat Te, Sch Mat Sci & Engn, Dalian 116024, Peoples R China.
文章类型: 期刊论文
英文摘要: Synchrotron X-ray radiography was used to in situ study the solute distribution and the dendritic growth during the bottom-up solidification of Sn-50 wt%Pb alloy under a traveling magnetic field (TMF) for the first time. The buoyance driven evolution and motion of the plumes containing Sn-rich melt are directly observed in the solidification front before the application of TMF. A forced melt flow from left to right is induced with the application of TMF, which results in the redistribution of the solute concentration (facilitate the solute transportation and reduce the local fluctuations considerably) and the change of the dendrite morphologies (promote/suppress the growth of the secondary arms, remelting and fragmentation of dendrites). Meanwhile, the concentration variations of Sn around the solidification front are quantitatively analyzed through the extraction of gray level from sequenced X-ray images. (C) 2016 Elsevier B.V. All rights reserved.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000382256900015
ISSN号: 0022-0248
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26490
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Cao, F,Yang, FF,Kang, HJ,et al. Effect of traveling magnetic field on solute distribution and dendritic growth in unidirectionally solidifying Sn-50 wt%Pb alloy: An in situ observation[J]. JOURNAL OF CRYSTAL GROWTH,2016-01-01,450:91-95.
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