A new technique to detect defect size and depth in composite structures using digital shearography and unconstrained optimization

By G. Angelis, Michele Meo, D. Almond, S. Pickering, S. Angioni. 2012

163 citations recorded by the source corpus.

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Recent Advances in Active Infrared Thermography for Non-Destructive Testing of Aerospace Components (2018, background): “Zalameda et al. [117] developed a contactless ultrasonic stimulated thermography with air-coupled transducers for damage detection of an helicopter blade sandwich.”
Successes and challenges in non-destructive testing of aircraft composite structures (2020, methodology): “Vibration shearography has been applied successfully to inspect the foam on the external tank of NASA’s space shuttle(165) as well as to reveal flat bottom holes made with different sizes and placed at different depths in CFRP laminates.(173)”
Damage characterization of laminated composites using acoustic emission: A review (2020, unknown): “The most common active techniques used for damage assessment in the laminated composites are ultrasonic inspection [18,19], active thermography [20 – 22], modal analysis [23,24], eddy current [25], radiography [26], guided wave [27, 28], terahertz imaging [29] and shearography [30,31].”
Impact damage identification in composite laminates using vibration testing (2014, unknown): “[8], Goidescu et al.”
A review of non-destructive techniques used for mechanical damage assessment in polymer composites (2018, background): “2 mm) with good agreement with real defects size and location [121].”