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Responses of Ultrasonic Backscattered Energy and AE Charateristics on the Progressive Damage of Crossply Composite Laminates
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 Title & Authors
Responses of Ultrasonic Backscattered Energy and AE Charateristics on the Progressive Damage of Crossply Composite Laminates
Jeon, Heung-Jae;
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 Abstract
Responses of ultrasonic back scattered energy and AE (Acoustic Emission) characteristics related to the progressive damage of and crossply laminates were studied. It was found that the ultrasonic backscattered energy was sensitive to the matrix cracking but not sensitive to other failure mechanisms. However, AE was proved to be sensitive to matrix cracking as well as other failure mechanisms.AE signals were analyzed by investigating the amplitude and number of counts per event for corresponding applied strain. Loading and unloading tests were conducted separately. AE results showed Kaiser effect in the crossply composite laminates and ultrasonic results supported the AE results.
 Keywords
Crossply Composite Laminate;Progressive Damage;Ultrasonic Backscattered Energy;Acoustic Emission;
 Language
Korean
 Cited by
 References
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