Method and device for testing a composite material using laser ultrasonics
作者： Benjamin Campagne , Franck Bentouhami
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摘要: This disclosure relates to a method for the nondestructive testing, using laser ultrasonics, of composite part having fibrous reinforcement in resin that optically scatters laser, includes: a) taking measurement thickness on surface is illuminated during shot, which capable generating thermoelastic effect said and referred as an ultrasonic shot; b) adjusting power shot basis carried out step so eliminate any risk flash reinforcements; c) producing at determined b). The device used implementing comprises combined photoacoustic imaging low time-coherence interferometry (OCT) system.
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