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To fully exploit aluminumAluminum’s circularity potential, future alloys must be able to handle increased and fluctuating contents of impurity elementsImpurity elements. Advanced eutecticsEutectic can offer a way to positively utilize both primary and secondary elements from end-of-life (EoL) waste streams. By nature, eutecticEutectic alloys are less dependent on cooling rates in castingCasting, expanding the range of suitable production methods. An AlMgSi-FeNi-Zn alloy was developed that anticipates a blend of EoL scrapsScrap from both aviation and automotiveAutomotive industry. The alloy features an ultrafine, complex multi-phase-eutecticEutectic structure that utilizes major (Mg, Si) and minor (Fe, Zn) impurity elementsImpurity elements to achieve high mechanical propertiesMechanical properties at level with modern high-performance castingCasting alloys. This work focuses on further alloy development on higher Si contents as typical in high volume castingCasting applications.

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Development of Novel Al Cast Alloys with High Recycling Content Through Nano-Eutectics

  • 会议论文

  • 发表日期：

    2026年

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  • K. Mester,
  • S. Gneiger,
  • G. Prantl,
  • A. Großalber,
  • C. Simson

摘要

To fully exploit aluminumAluminum’s circularity potential, future alloys must be able to handle increased and fluctuating contents of impurity elementsImpurity elements. Advanced eutecticsEutectic can offer a way to positively utilize both primary and secondary elements from end-of-life (EoL) waste streams. By nature, eutecticEutectic alloys are less dependent on cooling rates in castingCasting, expanding the range of suitable production methods. An AlMgSi-FeNi-Zn alloy was developed that anticipates a blend of EoL scrapsScrap from both aviation and automotiveAutomotive industry. The alloy features an ultrafine, complex multi-phase-eutecticEutectic structure that utilizes major (Mg, Si) and minor (Fe, Zn) impurity elementsImpurity elements to achieve high mechanical propertiesMechanical properties at level with modern high-performance castingCasting alloys. This work focuses on further alloy development on higher Si contents as typical in high volume castingCasting applications.