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http://dx.doi.org/10.7234/composres.2016.29.6.321

Test and Finite Element Analysis on Compression after Impact Strength for Laminated Composite Structures of Unidirectional CFRP  

Ha, Jae-Seok (Agency for Defense Development)
Publication Information
Composites Research / v.29, no.6, 2016 , pp. 321-327 More about this Journal
Abstract
In this study, tests and finite element analyses were performed regarding compression after impact strength for laminated composite structures of unidirectional carbon fiber reinforced plastic widely used in structural materials. Two lay-up sequences of composite laminates were selected as test specimens and four impact energy conditions were applied respectively. Impact and compressive strength tests were conducted in accordance with ASTM standards. Impact damages in test specimens were analyzed by using non-destructive inspection method of C-Scan, and compression after impact strengths were calculated with compressive test results. Progressive failure analysis method that can progressively simulate damages and fractures of fiber/matrix/lamina/laminate level was used for impact and compressive strength analyses. All analysis results including contact force, deflection, impact damages, compressive strengths, etc. were compared to test results, and the validity of analysis method was verified.
Keywords
Carbon fiber reinforced plastic; Laminated composite structure; Compression after impact; Progressive failure analysis;
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Times Cited By KSCI : 5  (Citation Analysis)
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