Journal
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
Volume 41, Issue 3, Pages 505-508Publisher
SPRINGER
DOI: 10.1007/s11663-010-9376-2
Keywords
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Funding
- Natural Science Foundation of China [50804043, 50674011]
- Chinese Academy of Sciences [KGCX2-YW-321-2]
- Science and Technology Cooperation Project of GuangDong [2009B091300047]
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Super-gravity segregation was investigated to enrich and remove the low-content impurities from Al by solidifying Al under a super-gravity field. The macrosegregations of Fe (0.19 wt pct) and Si (0.09 wt pct) were remarkable within 1.5 cm along the direction of super gravity, and the concentration ratios between two sides under super gravity of 1000 g reached 4.05 and 2.80, respectively. The microstructures demonstrated that Fe-and Si-rich phases formed and gathered at the bottom along the direction of super-gravity field.
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