Dielectric properties of epoxy-dielectrics-carbon black composite for phantom materials at radio frequencies

Kyoung Sik Moon, Hyung Do Choi, Ae Kyoung Lee, Kwang Yun Cho, Ho Gyu Yoon, Kwang S. Suh

    Research output: Contribution to journalArticlepeer-review

    83 Citations (Scopus)

    Abstract

    In order to develop new dry phantom materials that can simulate the effect of electromagnetic wave on human tissues, the dielectric properties of the phantom materials composed of dielectrics, carbon black, and epoxy resin were investigated. For dielectrics/epoxy composite, the dielectric constants increased with the content of dielectric powder and were independent of frequency at the measured frequency range. The dielectric constants and conductivity of carbon black/epoxy composite also increased with the carbon black, but it showed the frequency dependence that the complex dielectric constants decreased with increasing frequency. The dielectric constants and conductivity corresponding to human tissues could be obtained by combining the frequency dependence of carbon black/epoxy composite with the dielectric properties of dielectrics/epoxy composite and by adjusting the composition ratios of carbon black, dielectrics, and epoxy.

    Original languageEnglish
    Pages (from-to)1294-1302
    Number of pages9
    JournalJournal of Applied Polymer Science
    Volume77
    Issue number6
    DOIs
    Publication statusPublished - 2000

    ASJC Scopus subject areas

    • General Chemistry
    • Surfaces, Coatings and Films
    • Polymers and Plastics
    • Materials Chemistry

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