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Manufacturing of Recycled Aluminum Matrix Composites Reinforced of TiC/MoS2/Al2O3 Fiber Through Combined Method: Sintered + Forging

  • E. Bayraktar
  • I. MiskiogluEmail author
  • D. Katundi
  • F. Gatamorta
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)

Abstract

Aluminum based hybrid composites were produced from recycled AA7075 chips with the addition of TiC (d ≤ 3–5 micron), MoS2 and Al2O3 fiber. In the two groups of composites produced, the content of MoS2 and Al2O3 were fixed as 2 wt % and 3 wt % respectively, whereas TiC content was at two levels (5–10%). The combined method of powder metallurgy route, sintering followed by forging, was used to manufacture these composites. These composites are targeted for aeronautical and automotive industries for components subjected to static as well as cyclic and dynamic loading. In addition to mechanical properties, machinability of these composites is of importance hence, MoS2 was included in the formulation. Micro hardness, 3 point bending, low velocity impact and nanoindentation (creep and wear) tests were performed on samples manufactured by just sintering and sintering followed by forging. The results showed that, in generals, the samples that were forged after sintering yielded better properties. The microstructure analyses (matrix/interface) have been carried out by Scanning Electron Microscope (SEM).

Keywords

Recycled hybrid composites AA7075 Ceramic reinforcements Sinter-forging Nano hardness Nano wear SEM analyses 

Notes

Acknowledgements

This work give partial results of the common research project that is going on has been carried out in collaboration between Supmeca/Paris, France and Michigan Technological University Houghton, MI, USA. Authors acknowledge the use of the laboratory facilities.

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Copyright information

© Society for Experimental Mechanics, Inc. 2020

Authors and Affiliations

  • E. Bayraktar
    • 1
    • 2
  • I. Miskioglu
    • 3
    Email author
  • D. Katundi
    • 4
  • F. Gatamorta
    • 5
  1. 1.Supmeca-Paris, School of Mechanical and Manufacturing EngineeringParisFrance
  2. 2.University of Campinas, UNICAMP-FEMCampinasBrazil
  3. 3.ME-EM DepartmentMichigan Technological UniversityHoughtonUSA
  4. 4.Supmeca-Paris, School of Mechanical and Manufacturing EngineeringParisFrance
  5. 5.University of Campinas, UNICAMP-FEMCampinasBrazil

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