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The unique combination of properties like high strength-to-weight ratio, excellent castability Castability, thermal and electrical conductivitiesElectrical conductivity, and outstanding corrosion resistanceCorrosion resistance enables aluminum alloysAluminum alloy to be widely used in diverse industriesIndustry. Because of its high recyclability, aluminumAluminum is a material of choice for a circular economyCircular economy. However, during recurring scrap recyclingRecycling, aluminum recyclingAluminum recycling can be complicated by the gradual accumulation of unwanted impuritiesImpurities, mainly Fe, Mn, and other (Cu, Si, Zn, and Mg) alloying elements. The impurityImpurities pickup can result in significant economic devaluation of scrap where aluminumAluminum products are downcycled to produce aluminumAluminum products with lower value and performance. Managing the impurityImpurities content of aluminum scrapAluminum scrap melt is therefore very important. In the present study, the simultaneous removalRemoval of Fe and Mn was studied from aluminum alloysAluminum alloy via an intermetallicsIntermetallic sedimentationSedimentation route. Thermo-Calc is used to determine the suitable temperature for impurityImpurities-rich intermetallicIntermetallic phase formation in experimental alloys.

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Removal of Metallic Impurities from Aluminum Alloy Using Gravity Sedimentation Technique

  • 会议论文

  • 发表日期：

    2025年

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  • M. K. Sinha,
  • B. Mishra,
  • S. K. Das

摘要

The unique combination of properties like high strength-to-weight ratio, excellent castability Castability, thermal and electrical conductivitiesElectrical conductivity, and outstanding corrosion resistanceCorrosion resistance enables aluminum alloysAluminum alloy to be widely used in diverse industriesIndustry. Because of its high recyclability, aluminumAluminum is a material of choice for a circular economyCircular economy. However, during recurring scrap recyclingRecycling, aluminum recyclingAluminum recycling can be complicated by the gradual accumulation of unwanted impuritiesImpurities, mainly Fe, Mn, and other (Cu, Si, Zn, and Mg) alloying elements. The impurityImpurities pickup can result in significant economic devaluation of scrap where aluminumAluminum products are downcycled to produce aluminumAluminum products with lower value and performance. Managing the impurityImpurities content of aluminum scrapAluminum scrap melt is therefore very important. In the present study, the simultaneous removalRemoval of Fe and Mn was studied from aluminum alloysAluminum alloy via an intermetallicsIntermetallic sedimentationSedimentation route. Thermo-Calc is used to determine the suitable temperature for impurityImpurities-rich intermetallicIntermetallic phase formation in experimental alloys.