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Evaluation of AR Characteristics on Microscopic Fracture Mechanism of A17075/CERP Hybrid Composite  

이진경 (동의대학교 기계공학과)
이준현 (부산대학교 기계공학부)
윤한기 (동의대학교 기계공학과)
Publication Information
Composites Research / v.15, no.5, 2002 , pp. 1-6 More about this Journal
Abstract
When compared to other composite materials such as FRP and MMC, hybrid composite material is more attractive one due to the high specific strength and the resistance to fatigue. However, the fracture mechanism of hybrid composite material is extremely complicated because of the bonding structure of metals and FRP. Recently, nondestructive technique has been used to evaluate the fracture mechanism of these composite materials. In this study. AE technique has been used to clarify the fracture mechanism and the degree of damage for Al 7075/CFRP hybrid composite material. It was found that AE event, energy and amplitude among AE parameters were effective to evaluate fracture process of Al 7075/CFRP composite material. In addition, the relationship between the AE signal and the characteristics of failure surface using optical microscope was discussed.
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Times Cited By KSCI : 1  (Citation Analysis)
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