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Effect of Ti addition on B removal during silicon refining in Al-30%Si alloy directional solidification

文献类型：期刊论文

作者Bai, Xiaolong1,2; Ban, Boyuan2; Li, Jingwei2; Fu, Zhiqiang1; Peng, Zhijian1; Wang, Chengbiao1; Chen, Jian2
刊名SEPARATION AND PURIFICATION TECHNOLOGY
出版日期2017-03-01
卷号174期号:无页码:345-351
关键词b Removal Ti addiTion Al-si Alloy Directional Solidification Apparent Segregation Coefficient
DOI10.1016/j.seppur.2016.11.002
文献子类Article
英文摘要To determine the effect of Ti addition on B removal during silicon refining by directional solidification of AI-30 wt.% Si alloy, five samples with different amount of Ti addition have been studied. The contents of B in primary Si flakes are reduced to less than 1 ppmw with excess Ti addition. An apparent segregation coefficient is used to characterize the B removal during the refining process, which is determined to be 0.0068 with 2000 ppmw Ti addition at a pulling rate of 0.05 mm s(-1). Almost all the B atoms in the Al-Si melt with the excess Ti addition combine with Ti atoms to form TiB2 particles at the bottom part of the ingot (cold end) before the primary Si growth during directional solidification, resulting in a remarkable B removal rate in the refined primary Si flakes. (C) 2016 Elsevier B.V. All rights reserved.
WOS关键词METALLURGICAL-GRADE SILICON ; AL-SI MELT ; PURIFICATION ; IMPURITIES ; MECHANISM ; PLASMA ; SYSTEM
WOS研究方向Engineering
语种英语
WOS记录号WOS:000389091700040
资助机构Key Lab of Novel Thin Film Solar Cells, Chinese Academy of Sciences ; Key Lab of Novel Thin Film Solar Cells, Chinese Academy of Sciences ; Key Lab of Novel Thin Film Solar Cells, Chinese Academy of Sciences ; Key Lab of Novel Thin Film Solar Cells, Chinese Academy of Sciences ; National Natural Science Foundation of China(51404231 ; National Natural Science Foundation of China(51404231 ; National Natural Science Foundation of China(51404231 ; National Natural Science Foundation of China(51404231 ; "100-talent Program" of Chinese Academy of Sciences ; "100-talent Program" of Chinese Academy of Sciences ; "100-talent Program" of Chinese Academy of Sciences ; "100-talent Program" of Chinese Academy of Sciences ; Anhui Provincial Natural Science Foundation(1508085QE81) ; Anhui Provincial Natural Science Foundation(1508085QE81) ; Anhui Provincial Natural Science Foundation(1508085QE81) ; Anhui Provincial Natural Science Foundation(1508085QE81) ; China Postdoctoral Science Foundation(2014M561846) ; China Postdoctoral Science Foundation(2014M561846) ; China Postdoctoral Science Foundation(2014M561846) ; China Postdoctoral Science Foundation(2014M561846) ; (2016LH0017) ; (2016LH0017) ; (2016LH0017) ; (2016LH0017) ; 51474201) ; 51474201) ; 51474201) ; 51474201) ; Key Lab of Novel Thin Film Solar Cells, Chinese Academy of Sciences ; Key Lab of Novel Thin Film Solar Cells, Chinese Academy of Sciences ; Key Lab of Novel Thin Film Solar Cells, Chinese Academy of Sciences ; Key Lab of Novel Thin Film Solar Cells, Chinese Academy of Sciences ; National Natural Science Foundation of China(51404231 ; National Natural Science Foundation of China(51404231 ; National Natural Science Foundation of China(51404231 ; National Natural Science Foundation of China(51404231 ; "100-talent Program" of Chinese Academy of Sciences ; "100-talent Program" of Chinese Academy of Sciences ; "100-talent Program" of Chinese Academy of Sciences ; "100-talent Program" of Chinese Academy of Sciences ; Anhui Provincial Natural Science Foundation(1508085QE81) ; Anhui Provincial Natural Science Foundation(1508085QE81) ; Anhui Provincial Natural Science Foundation(1508085QE81) ; Anhui Provincial Natural Science Foundation(1508085QE81) ; China Postdoctoral Science Foundation(2014M561846) ; China Postdoctoral Science Foundation(2014M561846) ; China Postdoctoral Science Foundation(2014M561846) ; China Postdoctoral Science Foundation(2014M561846) ; (2016LH0017) ; (2016LH0017) ; (2016LH0017) ; (2016LH0017) ; 51474201) ; 51474201) ; 51474201) ; 51474201)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/30238]  
专题合肥物质科学研究院_应用技术研究所
作者单位1.China Univ Geosci, Sch Engn & Technol, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Appl Technol, Key Lab Novel Thin Film Solar Cells, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Bai, Xiaolong,Ban, Boyuan,Li, Jingwei,et al. Effect of Ti addition on B removal during silicon refining in Al-30%Si alloy directional solidification[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2017,174(无):345-351.
APA Bai, Xiaolong.,Ban, Boyuan.,Li, Jingwei.,Fu, Zhiqiang.,Peng, Zhijian.,...&Chen, Jian.(2017).Effect of Ti addition on B removal during silicon refining in Al-30%Si alloy directional solidification.SEPARATION AND PURIFICATION TECHNOLOGY,174(无),345-351.
MLA Bai, Xiaolong,et al."Effect of Ti addition on B removal during silicon refining in Al-30%Si alloy directional solidification".SEPARATION AND PURIFICATION TECHNOLOGY 174.无(2017):345-351.

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来源：合肥物质科学研究院

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