Forced corona method for the evaluation of fabrics with conductive fibres

Tapio Kalliohaka (Corresponding Author), Jaakko Paasi, Philippe Lemaire

    Research output: Contribution to journalArticleScientificpeer-review

    7 Citations (Scopus)

    Abstract

    Modern fabrics for protective clothing, used in environment where the level of static charge must be controlled, are composites where a grid or stripes of conductive fibres are present inside a matrix of highly resistive base fabric. In protective clothing, where the conductive fabric elements are not effectively grounded, corona discharge is the major limiting mechanism for fabric charging. In this paper, corona discharge of electrostatic discharge protective fabrics has been studied. A new experimental method, forced corona, was developed for the measurement of corona onset and offset potentials as well as corona current. According to results, the residual level of fabric surface potential after corona discharge was the lowest in fabrics containing core conductive fibres. The behaviour is because of the small dimensions and sharp edges of the core conductive fibres.
    Original languageEnglish
    Pages (from-to)583 - 588
    Number of pages6
    JournalJournal of Electrostatics
    Volume63
    Issue number6-10
    DOIs
    Publication statusPublished - 2005
    MoE publication typeA1 Journal article-refereed

    Keywords

    • electrostatic measurements
    • charge dissipation
    • corona discharge
    • conductive fibres
    • protective clothing

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