Grain nucleation and growth behavior of a Sn-Pb alloy affected by direct current: An in situ investigation
Yang, FF; Chen, ZN; Cao, F; Fan, R; Kang, HJ; Huang, WX; Yuan, QX; Xiao, TQ; Fu, YN; Wang, TM
2017
发表期刊JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
卷号33期号:10页码:1134-1140
文章类型期刊论文
摘要In situ synchrotron X-ray radiography was used to study the effect of direct current ( DC) on the grain nucleation and growth of Sn-50 wt.% Pb alloy. The results showed that applying DC adequately during solidification could effectively enhance the grain nucleation and inhibit its growth. Imaging of comparative experiments with varying DC intensity indicated that the final grain size, determined by the competition between grain nucleation and growth, was sensitively dependent on the DC intensity. It was found that the average grain size was decreased from 1632 to 567 mu m with DC density of 1.5 A/mm(2) compared to the case without DC. Beyond this value, raising the current density may cause a significant decrease in the nucleation rate, and thus lead to a coarsening of the grain structure. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
关键词Pulsed Magnetic-field X-ray Radiography Synchrotron Microradiography Heterogeneous Nucleation Immiscible Alloys Electric-currents Equiaxed Grains Pure Aluminum A356 Alloy Solidification
DOI10.1016/j.jmst.2017.05.011
关键词[WOS]PULSED MAGNETIC-FIELD ; X-RAY RADIOGRAPHY ; SYNCHROTRON MICRORADIOGRAPHY ; HETEROGENEOUS NUCLEATION ; IMMISCIBLE ALLOYS ; ELECTRIC-CURRENTS ; EQUIAXED GRAINS ; PURE ALUMINUM ; A356 ALLOY ; SOLIDIFICATION
收录类别SCI
语种英语
WOS记录号WOS:000414224600009
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.sinap.ac.cn/handle/331007/28671
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
GB/T 7714
Yang, FF,Chen, ZN,Cao, F,et al. Grain nucleation and growth behavior of a Sn-Pb alloy affected by direct current: An in situ investigation[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2017,33(10):1134-1140.
APA Yang, FF.,Chen, ZN.,Cao, F.,Fan, R.,Kang, HJ.,...&Wang, TM.(2017).Grain nucleation and growth behavior of a Sn-Pb alloy affected by direct current: An in situ investigation.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,33(10),1134-1140.
MLA Yang, FF,et al."Grain nucleation and growth behavior of a Sn-Pb alloy affected by direct current: An in situ investigation".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 33.10(2017):1134-1140.
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