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Publication - Dr Robert Hughes

    Investigating electrical resonance in eddy-current array probes

    Citation

    Hughes, R, Fan, Y & Dixon, S, 2016, ‘Investigating electrical resonance in eddy-current array probes’. in: Leonard J Bond, Dale E Chimenti (eds) 42nd Annual Review of Progress in Quantitative Nondestructive Evaluation: Incorporating the 6th European-American Workshop on Reliability of NDE. American Institute of Physics (AIP)

    Abstract

    The sensitivity enhancing effects of eddy-current testing at frequencies close to electrical resonance are explored. Var-ied techniques exploiting the phenomenon, dubbed near electrical resonance signal enhancement (NERSE), were experimentally investigated to evaluate its potential exploitation for other interesting applications in aerospace materials, in particular its potential for boosting the sensitivity of standard ECT measurements. Methods for setting and controlling the typically unstable resonant frequencies of such systems are discussed. This research is funded by the EPSRC, via the Research Centre for Non-Destructive Evaluation RCNDE, and Rolls-Royce plc.

    Full details in the University publications repository