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Differential scanning calorimetry (DSCDSC) has been utilized to analyze the precipitationPrecipitation reactions in the 7XXX series aluminium alloysAluminium alloys. To optimize the process steps in practical applications, it is of great importance to know the dissolution kineticsKinetics. In the present work, DSCDSC was employed to analyze the T-(Al2Mg3Zn3), S-(Al2CuMg), and η-(MgZn2) phase transformations during homogenizationHomogenization and cooling. Effect of cooling rateCooling rate on precipitationPrecipitation and microstructureMicrostructure evolution were investigated by in situ DSCDSC experiments. The results showed that in situ DSCDSC tests allows to develop suitable homogenizationHomogenization conditions with the proper homogenizationHomogenization temperature and after homogenizationHomogenization cooling ratesCooling rate.

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In Situ DSC Investigation of Homogenization Conditions in EN AW-7075 Aluminium Alloy

  • 会议论文

  • 发表日期：

    2025年

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  • Aleyna Gümüşsoy,
  • Işık Kaya,
  • Aybars Güven,
  • Emrah Fahri Özdoğru

摘要

Differential scanning calorimetry (DSCDSC) has been utilized to analyze the precipitationPrecipitation reactions in the 7XXX series aluminium alloysAluminium alloys. To optimize the process steps in practical applications, it is of great importance to know the dissolution kineticsKinetics. In the present work, DSCDSC was employed to analyze the T-(Al2Mg3Zn3), S-(Al2CuMg), and η-(MgZn2) phase transformations during homogenizationHomogenization and cooling. Effect of cooling rateCooling rate on precipitationPrecipitation and microstructureMicrostructure evolution were investigated by in situ DSCDSC experiments. The results showed that in situ DSCDSC tests allows to develop suitable homogenizationHomogenization conditions with the proper homogenizationHomogenization temperature and after homogenizationHomogenization cooling ratesCooling rate.