Proposal of a multi-core model for polymer nanocomposite dielectrics

Toshikatsu Tanaka, Masahiro Kozako, Norikazu Fuse, Yoshimichi Ohki

    Research output: Contribution to journalArticle

    725 Citations (Scopus)

    Abstract

    A multi-core model, i.e. a simplified term of a multi-layered core model, is proposed as a working hypothesis to understand various properties and phenomena that polymer nanocomposites exhibit as dielectrics and electrical insulation. It gives fine structures to what are called "interaction zones". An interfacial layer of several tens nm is multi-layered, which consists of a bonded layer, a bound layer, and a loose layer. In addition, the Gouy-Chapman diffuse layer with the Debye shielding length of several tens to 100 nm is superimposed in the interfacial layer to cause a far-field effect. Nano-particles may interact electrically with the nearest neighbors each other due to this effect, resulting in possible collaborative effect. Such a multi-core model with the far-field effect is discussed, for example, to explain partial discharge (PD) resistance of polyamide layered silicate nanocomposites, and is verified to demonstrate its effectiveness.

    Original languageEnglish
    Pages (from-to)669-681
    Number of pages13
    JournalIEEE Transactions on Dielectrics and Electrical Insulation
    Volume12
    Issue number4
    DOIs
    Publication statusPublished - 2005 Aug

    Fingerprint

    Nanocomposites
    Polymers
    Partial discharges
    Polyamides
    Shielding
    Silicates
    Insulation

    Keywords

    • Dielectrics
    • Interaction zone
    • Interfaces
    • Multi-core model
    • Nanocomposites
    • Nanotechnology

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

    Cite this

    Proposal of a multi-core model for polymer nanocomposite dielectrics. / Tanaka, Toshikatsu; Kozako, Masahiro; Fuse, Norikazu; Ohki, Yoshimichi.

    In: IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 12, No. 4, 08.2005, p. 669-681.

    Research output: Contribution to journalArticle

    Tanaka, Toshikatsu ; Kozako, Masahiro ; Fuse, Norikazu ; Ohki, Yoshimichi. / Proposal of a multi-core model for polymer nanocomposite dielectrics. In: IEEE Transactions on Dielectrics and Electrical Insulation. 2005 ; Vol. 12, No. 4. pp. 669-681.
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