Response Of Fibre Metal Laminate Under Low Velocity Impact

Rajasegaran, Sobanraj (2020) Response Of Fibre Metal Laminate Under Low Velocity Impact. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Fibre metal laminate (FML) composite is a widely used material as a structural application for automotive, aerospace, aircraft and ship due to its lightweight, low maintenance cost and outstanding strength to weight ratio. It is the new family of laminate composites which consists of thin metal layers that bonded together with the fibre-reinforce composite layer. In past decades FML had become an interest in modern industry. This is because hybridisation of both natural and synthetic fibre enhances the mechanical properties and environmental performance. Furthermore, FML has low production cost and are used in wide applications. Therefore, to implement the usability of FML an understanding of its mechanical properties should be investigated. Therefore a study had been carried out to find the properties of this FML with its hybridisation composite under a low velocity impact test where and experimental and numerical had been carried out it this study. The variable used in this study is the stacking sequence of the fibre composite in the FML where there will be four stacking sequence (GGG, GPG,PGP,PPP) for the experimental investigation. For the numerical analysis, the variable would be the metal thickness of how those the metal thickness play a role is changing the properties of the FMLs. From the study, it had found out that FML with the stacking configuration of GPG able to a suitable substitute for FML with the configuration of GGG due to its similarity it most of its properties analysis and for the metal thickness the optimal thickness that can used for the shell of the FML would be 1.0 mm where too thick of the metal will cause a higher chance of delamination to occur where else too thin of the metal would cause perforation to occur easily on the FML

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