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Study of Al 2017 Alloy Prepared by Recycling Method via Powder Metallurgy Route

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Advances in Materials, Mechanics and Manufacturing

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

Abstract

Recycling of Al 2017 alloy machining chips via powder metallurgy route including hot compaction and sintering processes was studied. This method was proposed in order to elaborate Aluminium products based on Al 2017 alloy powder. To obtain desired chips with small thickness, the optimal cutting conditions are applied. The chips obtained after turning operation had undergone a milling step by varying milling times. Then, these powders were hot compacted and then sintered at various temperatures and times. The results indicated a decrease of particle size of 2017A alloy by increasing the milling time which reaches 70 µm after 20 h of milling. This is due to the successive plastic deformation which makes particles hard and brittle. By using DSC analysis, a high level of stored enthalpy release is observed due to the milling process where two kinds of structural changes are presented. Also, heating the deformed powder provides the elimination or the rearrangement of some dislocations and the release of the residual stresses stored in the powder. Then, it can be deduced that higher densities are obtained at higher sintering parameters (t2 = 90 min, T2 = 550 °C) which explained by particle size refinement during the milling step and the activated phenomenon of diffusion during the sintering step.

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Authors and Affiliations

  1. Laboratory of Thermal and Energetic Systems Studies, National Engineering School of Monastir (ENIM), University of Monastir, Monastir, Tunisia

    Mariem Bhouri & Foued Mzali

  2. Department of Mechanical Engineering, National Engineering School of Monastir (ENIM), University of Monastir, Monastir, Tunisia

    Foued Mzali

Authors
  1. Mariem Bhouri
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  2. Foued Mzali
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Corresponding author

Correspondence to Mariem Bhouri .

Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering, National School of Engineers of Sfax, Sfax, Tunisia

    Fakher Chaari

  2. Department of Mechanical Engineering, National School of Engineers of Sfax, Sfax, Tunisia

    Maher Barkallah

  3. National School of Engineers of Gafsa, Gafsa, Tunisia

    Anas Bouguecha

  4. Department of Mechanical Engineering, National School of Engineers of Sfax, Sfax, Tunisia

    Bassem Zouari

  5. Department of Mechanical Engineering, National School of Engineers of Sfax, Sfax, Tunisia

    Mohamed Taoufik Khabou

  6. Sfax Preparatory Engineering Institute, Sfax, Tunisia

    Mounir Kchaou

  7. Department of Mechanical Engineering, National School of Engineers of Sfax, Sfax, Tunisia

    Mohamed Haddar

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Bhouri, M., Mzali, F. (2020). Study of Al 2017 Alloy Prepared by Recycling Method via Powder Metallurgy Route. In: Chaari, F., et al. Advances in Materials, Mechanics and Manufacturing. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-24247-3_2

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  • DOI: https://doi.org/10.1007/978-3-030-24247-3_2

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-24246-6

  • Online ISBN: 978-3-030-24247-3

  • eBook Packages: EngineeringEngineering (R0)

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