Ultrasonic and X-Ray tomography inspection of a woven glass reinforced composite damaged by fatigue loading

Abstract : An investigation of a polyamide 6.6/6 composite reinforced with woven glass fibers is described with a focus on its response to fatigue solicitations. The main purpose is to elaborate a quantitative and a qualitative study of the induced damage as well as its detectability. To do so, several nondestructive testing methods were used. The different damage mechanisms, relative to fatigue loading, were identified using X-Ray tomography as a reference for the ultrasonic investigations. As a result, each damage mechanism is visualized and a measure of the induced void is established for comparison. An ultrasonic investigation based on C-scans and guided waves is performed under different signal analysis approaches in an attempt to extract as much information as possible. The discoveries and experiences are important in the framework of a collaboration with the automotive industry en for biomechanical applications.
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Journal articles
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https://hal.archives-ouvertes.fr/hal-02354019
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Submitted on : Thursday, November 7, 2019 - 3:34:40 PM
Last modification on : Tuesday, November 12, 2019 - 4:31:23 PM

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Nada Miqoi, Pascal Pomarede, Nico Declercq, Laurent Peltier, Fodil Meraghni. Ultrasonic and X-Ray tomography inspection of a woven glass reinforced composite damaged by fatigue loading. Journal of the Acoustical Society of America, Acoustical Society of America, 2018, 144 (3), pp.1785-1785. ⟨10.1121/1.5067884⟩. ⟨hal-02354019⟩

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