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17 March 2008 A study of active thermography approaches for the non-destructive testing and evaluation of aerospace structures
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Abstract
The prerequisite for more competent and cost effective aircraft has led to the evolution of innovative testing and evaluation procedures. Non-destructive testing and evaluation (NDT & E) techniques for assessing the integrity of an aircraft structure are essential to both reduce manufacturing costs and out of service time of aircraft due to maintenance. Nowadays, active - transient thermal NDT & E (i.e. thermography) is commonly used for assessing aircraft composites. This research work evaluates the potential of pulsed thermography (PT) and/or pulsed phase thermography (PPT) for assessing defects (i.e. impact damage and inclusions for delaminations) on GLARE and GLARE type composites. Finally, in the case of the detection of inserts - delaminations C-Scan ultrasonic testing was also used with the intention of providing supplementary results.
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Nicolas P. Avdelidis, Clemente Ibarra-Castanedo, Zaira P Marioli-Riga, Abdelhakim Bendada, and Xavier P. V. Maldague "A study of active thermography approaches for the non-destructive testing and evaluation of aerospace structures", Proc. SPIE 6939, Thermosense XXX, 693918 (17 March 2008); https://doi.org/10.1117/12.771082
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