Evaluation of the Damage Mechanism in CFRP Composite Using Computer Vision

Oh-Heon Kwon; Shaowen Xu; Michael Sutton

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저널정보

한국마린엔지니어링학회
Journal of Advanced Marine Engineering and Technology (JAMET) 학술저널
한국마린엔지니어링학회지 제34권 제5호
2010.7 686 - 694 (9page)

저자정보

Oh-Heon Kwon (부경대학교)
Shaowen Xu (Geogia Southern University)
Michael Sutton (University of South Carolina)

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초록·키워드

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Continuing progress in high technology has created numerous industrial applications for new advanced composite materials. Among these materials, carbon fiber-reinforced plastic (CFRP) laminate composite is typically used for low-weight carrying structures that require high specific strength. In this study, the damage mechanism of a compact tension (CT) specimen of woven CFRP laminates is described in terms of strain and displacement changes and crack growth behavior. The digital image correlation (DIC) method (which is employed here as a computer vision technique) is analyzed. Acoustic emission (AE) characteristics are also acquired during fracture tests. The results demonstrate the usefulness of these methods in evaluating the damage mechanism for woven CFRP laminate composites.
From the results, we show these methods are so useful in order to evaluate the damage mechanism for woven CFRP laminate composites.

#Damage mechanism #Digital image correlation #Strain contour #Woven CFRP composite #Acoustic emission