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경제적인 Si 잉곳 생산을 위한 poly-Si 미세분말의 성형과 용해주조기술
문병문(Moon, Byung-Moon),김봉환(Kim, Bong-Hwan),신제식(Shin, Je-Sik),이상목(Lee, Sang-Mok),박기성(Park, Gi-Seong),김대석(Kim, Dae-Suk),김기영(Kim, Ki-Young) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.06
In this study, the consolidation and casting processes of fine Si powders, by-products of making high purity Poly-Si rods in the current method, were systematically investigated for use as economical solar-grade feedstock. Morphology, size, and contamination type of the poly-Si fine powders were inspected by combined analysis of SEM, particle size analyzer, and FT-IR. Poly-Si powder compacts were tried to fabricate by a consolidation process without a binding agent and then their density ratio and strength were evaluated. Finally, the electrical resistivity of the specimens prepared by an electromagnetic casting method was examined for purity assessment.