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    The Electromechanical Impedance Method and its Application for Paint Coating Damage Detection

    Access Status
    Fulltext not available
    Authors
    Liu, Xianhua
    Paurobally, R.
    Date
    2011
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Liu, Xianhua and Paurobally, Roshun. 2011. The Electromechanical Impedance Method and its Application for Paint Coating Damage Detection, in Joseph, M. et al. (ed), Proceedings of The 5th World Congress on Engineering Asset Management (WCEAM), Oct 25-27 2010, pp. 567-580. Brisbane, Australia: Springer-Verlag.
    Source Title
    Engineering Asset Management and Infrastructure Sustainability
    Source Conference
    The 5th World Congress on Engineering Asset Management (WCEAM 2010)
    DOI
    10.1007/978-0-85729-493-7_44
    ISBN
    978-0-85729-301-5
    URI
    http://hdl.handle.net/20.500.11937/18284
    Collection
    • Curtin Research Publications
    Abstract

    This paper reports research findings of a corrosion sensing project for applying the electromechanical impedance method for paint coating damage detection. A piezoceramic patch attached to a structure can excite micro and local structural vibration when an alternating or random low voltage signal is applied. The resistance of the structure to the vibration excitation can be measured in terms of the electromechanical impedance. When a structure is damaged the impedance will change. This has been used for structural damage detection. The application of the impedance method for paint coating damage detection is a new exploration. In this paper, the impedance method is first introduced and then research findings on the feasibility of paint coating damage detection by the method is both theoretically and experimentally studied and results discussed.

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