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http://dx.doi.org/10.7234/kscm.2010.23.1.008

Impact Behavior of Fiber/Metal Laminates (FMLs) under Low Velocity  

Shi, Yu (Dept. of Mechanical Engineering, Changwon National University)
Kim, Seung-Hyun (Composite Materials Lab, Korea Institute of Materials Science (KIMS))
Kim, Byung-Sun (Composite Materials Lab, Korea Institute of Materials Science (KIMS))
Song, Jong-Il (Dept. of Mechanical Engineering, Changwon National University)
Publication Information
Composites Research / v.23, no.1, 2010 , pp. 8-16 More about this Journal
Abstract
The Fiber/Metal Laminates (FMLs) have been developed as a new composite material for aerospace application to reduce weight and improve damage tolerance. In this study, firstly FMLs were manufactured and the tensile test was performed to investigate the mechanical properties of FMLs. Furthermore, impact behavior of the low velocity on FMLs which consisted of different types of aluminum or fiber/epoxy layers was tested by the drop weight impact tester based on the different impact energy conditions. The load-time and energy-time curves were employed to evaluate the impact performance of different specimens. Moreover, finite element analysis (FEA) was also performed to simulate the tensile test and impact behavior of FMLs under the same conditions with the tests and good agreements have been obtained between the FEA predictions and experimental results.
Keywords
FMLs; Fiber/metal laminates; Impact behavior; Low velocity; Drop weigh impact tester; Finite element analysis;
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