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This study investigates the sustainable optimizationOptimization of the homogenizationHomogenization heat-treatment of EN AW-8006 slabs to achieve the desired microstructural propertiesProperties. Samples from a batch with a high recycled content were taken during castingCasting and were thoroughly examined for non-metallic inclusions and initial microstructureMicrostructure. The effects of gradually reducing the homogenizationHomogenization time at constant temperature were systematically analysed using thermodynamicThermodynamics simulationsSimulation, differential scanning calorimetryDifferential Scanning Calorimetry (DSC), and correlative microscopyCorrelative microscopy, including light and scanning electron microscopy. These methods were used to observe phase formation and crystallographic textureTexture evolution. The study concluded that the homogenizationHomogenization time can be effectively reduced from 12 to 6 h at a constant temperature of 580 °C ± 10 °C without compromising the integrity of the microstructureMicrostructure. These results were validated by numerical simulationsNumerical simulation prior to industrial implementation, and provide valuable insights into the economic, environmental, and sustainable benefits of optimizing the homogenization annealingHomogenization annealing for aluminium alloysAluminium alloys in industrial applicationsIndustrial applications.

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Sustainable Optimization of Homogenization Annealing for EN AW-8006 Aluminium Alloy

  • 会议论文

  • 发表日期：

    2026年

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  • Jakob Kraner,
  • Darja Volšak,
  • Kristijan Kresnik,
  • Jožef Medved,
  • Maja Vončina

摘要

This study investigates the sustainable optimizationOptimization of the homogenizationHomogenization heat-treatment of EN AW-8006 slabs to achieve the desired microstructural propertiesProperties. Samples from a batch with a high recycled content were taken during castingCasting and were thoroughly examined for non-metallic inclusions and initial microstructureMicrostructure. The effects of gradually reducing the homogenizationHomogenization time at constant temperature were systematically analysed using thermodynamicThermodynamics simulationsSimulation, differential scanning calorimetryDifferential Scanning Calorimetry (DSC), and correlative microscopyCorrelative microscopy, including light and scanning electron microscopy. These methods were used to observe phase formation and crystallographic textureTexture evolution. The study concluded that the homogenizationHomogenization time can be effectively reduced from 12 to 6 h at a constant temperature of 580 °C ± 10 °C without compromising the integrity of the microstructureMicrostructure. These results were validated by numerical simulationsNumerical simulation prior to industrial implementation, and provide valuable insights into the economic, environmental, and sustainable benefits of optimizing the homogenization annealingHomogenization annealing for aluminium alloysAluminium alloys in industrial applicationsIndustrial applications.