Nanocomposites Mechanical and Tribological Properties Using Graphene-Coated-SiC Nanoparticles (GCSiCNP) for Light Weight Applications

  • A. El Ghazaly
  • M. Shokeir
  • S. N. El Moghazi
  • A. Fathy
  • M. M. Emara
  • H. G. SalemEmail author
Conference paper
Part of the The Minerals, Metals & Materials Series book series (MMMS)


In the current work, Aluminum Alloy 2124-SiC/Graphene nanocomposite is fabricated via high energy milling followed by uniaxial cold compaction at 525 MPa, sintered at 450 °C, and followed by hot extrusion at 4:1 extrusion ratio. SiC nanoparticles (SiCNP) powders the G-micron-clusters forming G-coated-SiCNP (GCSiCNP) reinforcement filler, used for the reinforcement of AA2124 matrices via milling. The processed nanocomposite combines the properties suitable for dry wear resistant and self-lubricating solids. It is anticipated that the formation of GCSiCNP decreases the agglomeration of SiCNP producing uniform dispersion of the GCSiCNP reinforcement within the Aluminum matrices. Mechanical and wear resistance of the processed GCSiCNP nanocomposites were characterized compared to the milled AA2124 and AA2124-SiCNP nanocomposites processed under similar milling conditions. FESEM and XRD are used for the investigation of the milled powders crystallite size, lattice strain, and phases as well as powder morphology.


Dual function Self-lubricating nanocomposites G-coated-SiCNP Ball milling Wear resistance 



Authors of the work would like to acknowledge the Youssef Jameel Science and Technology Research Center (YJSTRC) for facilitating the characterization of the tested composites. Extended gratitude is given to the effort exerted by Mr. Zakarya Taha and Eng. M. Bakr for their technical assistance.


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Copyright information

© The Minerals, Metals & Materials Society 2017

Authors and Affiliations

  • A. El Ghazaly
    • 1
  • M. Shokeir
    • 3
  • S. N. El Moghazi
    • 3
  • A. Fathy
    • 3
  • M. M. Emara
    • 2
  • H. G. Salem
    • 3
    Email author
  1. 1.American UniversityCairoEgypt
  2. 2.Manufacturing Engineering DepartmentCanadian International College, El Tagamoa El Khamis, South of Police AcademyNew CairoEgypt
  3. 3.Mechanical Engineering DepartmentAmerican University in Cairo, American University in CairoNew CairoEgypt

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