Institutional Repository of Chinese Acad Sci, Hefei Inst Phys Sci, Inst Appl Technol,Hefei 230031, Anhui, Peoples R China
Segregation Behavior of Metal Impurities During Al-Si Melt Directional Solidification with an Open Ended Crucible | |
Bai, Xiaolong1,2; Ban, Boyuan1; Li, Jingwei1; Fu, Zhiqiang2; Peng, Zhijian2; Wang, Chengbiao2; Chen, Jian1 | |
2018-07-01 | |
发表期刊 | SILICON |
ISSN | 1876-990X |
通讯作者 | Chen, Jian(jchen@ipp.ac.cn) |
摘要 | The distribution characteristic and segregation behavior of metal impurities during directional solidification of Al-20Si, Al-30Si and Al-40Si alloys have been investigated. The morphologies of the alloys and impurity phases were observed by optical microscopy, scanning electron microscopy and energy dispersive X-ray spectroscopy. The concentration profiles of representative metal impurities Al, Fe and Ti were measured by inductively coupled plasma optical emission spectrometry. The results indicate that the metal impurities segregate into the eutectic Al-Si melt during the growth of primary Si flakes and gradually segregate towards the top of each ingot during directional solidification. A concept of apparent segregation coefficient is proposed to characterize the segregation behavior of impurity elements. The apparent segregation coefficients of metal impurities decrease with increase in solidification temperature of the Al-Si alloys. |
关键词 | Segregation Al-Si alloy Directional solidification Apparent segregation coefficient |
DOI | 10.1007/s12633-017-9602-5 |
关键词[WOS] | METALLURGICAL SILICON ; B REMOVAL ; P SYSTEM ; PURIFICATION ; MECHANISM ; PLASMA ; ALLOY ; IRON ; TI |
收录类别 | SCI |
语种 | 英语 |
资助项目 | Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; National Natural Science Foundation of China[51474201] ; National Natural Science Foundation of China[51404231] ; Anhui Provincial Natural Science Foundation[1508085QE81] ; CPSF-CAS Joint Foundation for Excellent Postdoctoral Fellows[2016LH0017] ; China Postdoctoral Science Foundation[2014M561846] ; CASHIPS Director's Funds[YYJJ201624] ; 100 Talent Program of Chinese Academy of Sciences[2012065] ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; National Natural Science Foundation of China[51474201] ; National Natural Science Foundation of China[51404231] ; Anhui Provincial Natural Science Foundation[1508085QE81] ; CPSF-CAS Joint Foundation for Excellent Postdoctoral Fellows[2016LH0017] ; China Postdoctoral Science Foundation[2014M561846] ; CASHIPS Director's Funds[YYJJ201624] ; 100 Talent Program of Chinese Academy of Sciences[2012065] |
项目资助者 | Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; Key Laboratory of Photovolatic and Energy Conservation Materials, Chinese Academy of Sciences ; 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WOS研究方向 | Chemistry ; Materials Science |
WOS类目 | Chemistry, Physical ; Materials Science, Multidisciplinary |
WOS记录号 | WOS:000435580700006 |
出版者 | SPRINGER |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/37298 |
专题 | 应用技术研究所 |
通讯作者 | Chen, Jian |
作者单位 | 1.Chinese Acad Sci, Key Lab Photovolat & Energy Conservat Mat, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Anhui, Peoples R China 2.China Univ Geosci, Sch Engn & Technol, Beijing 100083, Peoples R China |
推荐引用方式 GB/T 7714 | Bai, Xiaolong,Ban, Boyuan,Li, Jingwei,et al. Segregation Behavior of Metal Impurities During Al-Si Melt Directional Solidification with an Open Ended Crucible[J]. SILICON,2018,10(4):1283-1290. |
APA | Bai, Xiaolong.,Ban, Boyuan.,Li, Jingwei.,Fu, Zhiqiang.,Peng, Zhijian.,...&Chen, Jian.(2018).Segregation Behavior of Metal Impurities During Al-Si Melt Directional Solidification with an Open Ended Crucible.SILICON,10(4),1283-1290. |
MLA | Bai, Xiaolong,et al."Segregation Behavior of Metal Impurities During Al-Si Melt Directional Solidification with an Open Ended Crucible".SILICON 10.4(2018):1283-1290. |
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