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Microstructure and Properties of AA6082/(SiC + Graphite) Hybrid Composites

  • P. SharmaEmail author
  • V. Dabra
  • S. Sharma
  • D. Khanduja
  • N. Sharma
  • R. Sharma
  • K. Saini
Article
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Hybrid aluminum matrix composites (HAMCs) reinforced with different amounts of ceramic particulates consisting of silicon carbide (SiC) and graphite (Gr) were developed. The amount of ceramic powder was 5 – 15 mass%. Parameters of the hybrid composites such as microstructure, density, and porosity and mechanical properties such as hardness and tensile strength were analyzed. Scanning-electron-microscope photomicrographs showed a uniform distribution of (SiC + Gr) particles in the Al matrix. The density and porosity of the hybrid composite increased from 2.69 to 2.72 g/cm3 and from 0.37 to 1.20%, respectively; Vickers hardness and tensile strength, from 49.5 to 85 VHN and from 161.5 to 187 MPa, respectively. The relative elongation decreased from 8.6 for 5.3 as the content of ceramic particulates (SiC + Gr) increased from 0 to 15 mass%.

Keywords

hybrid aluminum matrix composites (HAMCs) graphite (Gr) silicon carbide scanning electron microscope (SEM) tensile strength 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • P. Sharma
    • 1
    Email author
  • V. Dabra
    • 1
  • S. Sharma
    • 2
  • D. Khanduja
    • 3
  • N. Sharma
    • 4
  • R. Sharma
    • 5
  • K. Saini
    • 1
  1. 1.Panipat Institute of Engineering and TechnologyPanipatIndia
  2. 2.Gautam Buddha UniversityGreater NoidaIndia
  3. 3.National Institute of TechnologyKurukshetraIndia
  4. 4.Maharishi Markendshvar UniversityAmbalaIndia
  5. 5.Amity UniversityGreater NoidaIndia

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