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The influence of solution heat-treatment temperature on the mechanical properties of a recrystallized aluminium alloy 2020

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Abstract

The effect of solution heat-treatment temperature on the undissolved phases was determined for a recrystallized aluminium alloy 2020. The lower solution heat-treatment temperatures retained a greater volume fraction of undissolved TB, T1 and T2 phases, however, these phases did not significantly affect ductility of the alloy. The optimum solution heat-treatment condition (for 10 mm thick plate) in a salt bath was within a temperature range between 505 and 520° C for 30 min. The fracture mode of tensile samples was a form of brittle intergranular fracture regardless of solution heat-treatment temperature.

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References

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Feng, W.X., Lin, F.S. The influence of solution heat-treatment temperature on the mechanical properties of a recrystallized aluminium alloy 2020. J Mater Sci 19, 2079–2084 (1984). https://doi.org/10.1007/BF00550276

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Keywords

  • Polymer
  • Brittle
  • Ductility
  • Aluminium Alloy
  • Fracture Mode