Computer simulation of electrical conductivity of graphite-based polypropylene composites based on digital image analysis

Radwan Dweiri, Jaafar Sahari

    Research output: Contribution to journalArticle

    10 Citations (Scopus)

    Abstract

    The electrical conductivity of polypropylene/graphite (PP/G) composites and polypropylene/graphite/carbon black (PP/G/CB) composites was investigated in this article. A simulation procedure, which is not limited to any specific parameters (i.e. graphite size and shape), was used to numerically compute the electrical conductivity of the composites. The simulations were carried out using a 2D finite element program based on the digital image analysis. The simulation results were in good agreement with the experimental conductivity values even though there were several limitations in using digital image analysis such as sampling, sample preparation, the quality of the image and the choice of the threshold. The microstructures of the surfaces of the composites were observed using scanning electron microscopy (SEM).

    Original languageEnglish
    Pages (from-to)10098-10102
    Number of pages5
    JournalJournal of Materials Science
    Volume42
    Issue number24
    DOIs
    Publication statusPublished - Dec 2007

    Fingerprint

    Graphite
    Polypropylenes
    image analysis
    polypropylene
    Image analysis
    graphite
    computerized simulation
    electrical resistivity
    composite materials
    Computer simulation
    Composite materials
    Soot
    simulation
    Carbon black
    sampling
    Sampling
    conductivity
    preparation
    microstructure
    Microstructure

    ASJC Scopus subject areas

    • Materials Science(all)
    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

    Cite this

    Computer simulation of electrical conductivity of graphite-based polypropylene composites based on digital image analysis. / Dweiri, Radwan; Sahari, Jaafar.

    In: Journal of Materials Science, Vol. 42, No. 24, 12.2007, p. 10098-10102.

    Research output: Contribution to journalArticle

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    abstract = "The electrical conductivity of polypropylene/graphite (PP/G) composites and polypropylene/graphite/carbon black (PP/G/CB) composites was investigated in this article. A simulation procedure, which is not limited to any specific parameters (i.e. graphite size and shape), was used to numerically compute the electrical conductivity of the composites. The simulations were carried out using a 2D finite element program based on the digital image analysis. The simulation results were in good agreement with the experimental conductivity values even though there were several limitations in using digital image analysis such as sampling, sample preparation, the quality of the image and the choice of the threshold. The microstructures of the surfaces of the composites were observed using scanning electron microscopy (SEM).",
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