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Refining Behavior of Aluminum Alloyed Metallurgical-Grade Silicon During Fractional Melting Process
- Authors
- Lee, Changbum; Chung, Juho; Lee, Jaewoo; Yoon, Wooyoung
- Issue Date
- 10월-2013
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Refining; Fractional Melting; Silicon; Aluminum; Impurity
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.13, no.10, pp.7161 - 7164
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 13
- Number
- 10
- Start Page
- 7161
- End Page
- 7164
- ISSN
- 1533-4880
- Abstract
- In order to overcome the limitations in refining metallurgical-grade silicon (MG-Si) by fractional melting (FM), an alloying process was adopted. Aluminum was selected as the alloying element as it has no intermetallic compound and the lowest eutectic point (577 degrees C). A 2% Al-Si sample was made and purified by FM. The removal of 99.8% of impurities was obtained by FM via aluminum alloying with MG-Si. The 2% Al-Si sample was also effective in boron removal (99% refining ratio).
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