CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
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
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume33Issue:10Pages:1134-1140
Subtype期刊论文
AbstractIn 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.
KeywordPulsed 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
Indexed BySCI
WOS KeywordPULSED MAGNETIC-FIELD ; X-RAY RADIOGRAPHY ; SYNCHROTRON MICRORADIOGRAPHY ; HETEROGENEOUS NUCLEATION ; IMMISCIBLE ALLOYS ; ELECTRIC-CURRENTS ; EQUIAXED GRAINS ; PURE ALUMINUM ; A356 ALLOY ; SOLIDIFICATION
Language英语
WOS IDWOS:000414224600009
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28671
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
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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