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Grain nucleation and growth behavior of a Sn-Pb alloy affected by direct current: An in situ investigation
Yang, Fenfen; Chen, Zongning; Cao, Fei; Fan, Rong; Kang, Huijun; Huang, Wanxia; Yuan, Qingxi; Xiao, Tiqiao; Fu, Yanan; Wang, Tongmin; Huang WX(黄万霞)
2017
Source PublicationJournal of Materials Science and Technology材料科学技术学报
ISSN1005-0302
Volume33Issue:10Pages:1134-1140
SubtypeArticle
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.
KeywordSn-Pb alloy Synchrotron X-ray radiography Solidification Microstructure Electric current
DOI10.1016/j.jmst.2017.05.011
WOS KeywordPULSED MAGNETIC-FIELD ; X-RAY RADIOGRAPHY ; SYNCHROTRON MICRORADIOGRAPHY ; HETEROGENEOUS NUCLEATION ; IMMISCIBLE ALLOYS ; ELECTRIC-CURRENTS ; EQUIAXED GRAINS ; PURE ALUMINUM ; A356 ALLOY ; SOLIDIFICATION
Indexed BySCI ; EI ; SCOPUS ; CSCD
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000414224600009
CSCD IDCSCD:6117103
EI Accession Number20172203715817
EI KeywordsBinary alloys - Electric currents - Grain growth - Grain size and shape - Microstructure - Nucleation - Solidification - Tin alloys - X ray radiography - X rays
EI Classification Number546.1 Lead and Alloys - 546.2 Tin and Alloys - 701.1 Electricity: Basic Concepts and Phenomena - 802.3 Chemical Operations - 932.1 High Energy Physics - 933.1.2 Crystal Growth - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/285303
Collection多学科研究中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Yang, Fenfen,Chen, Zongning,Cao, Fei,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 and Technology材料科学技术学报,2017,33(10):1134-1140.
APA Yang, Fenfen.,Chen, Zongning.,Cao, Fei.,Fan, Rong.,Kang, Huijun.,...&黄万霞.(2017).Grain nucleation and growth behavior of a Sn-Pb alloy affected by direct current: An in situ investigation.Journal of Materials Science and Technology材料科学技术学报,33(10),1134-1140.
MLA Yang, Fenfen,et al."Grain nucleation and growth behavior of a Sn-Pb alloy affected by direct current: An in situ investigation".Journal of Materials Science and Technology材料科学技术学报 33.10(2017):1134-1140.
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