Title: Investigating efficiency of non-linear wave modulation spectroscopy for early detection of critical buckling damages in sandwich composite panels
Publisher: DEStech Publications, Inc
Publication Year: 2015
JRC N°: JRC95607
ISBN: 978-1-60595-275-8
URI: http://dpi-proceedings.com/index.php/SHM2015/article/view/897
DOI: 10.12783/SHM2015/235
Type: Articles in periodicals and books
Abstract: This work presents experimental investigations into the potential of using, piezo-actuated, ultrasound waves for the detection of damage or incipient failure in fibre-reinforced sandwich panels under compressive axial load. Two methodologies are applied based on (i) frequency modulation spectroscopy and (ii) single-mode resonance shifting. Sensitivity of the techniques is studied during the loading till the failure of the specimens and also post failure. Representative measurements for both approaches are presented and discussed herein.
JRC Directorate:Space, Security and Migration

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