Considering many potential applications of fiber reinforced metal laminates (FMLs) in sensitive structures, it is necessary to understand their mechanical behavior under impact loads. In this study, low velocity impact tests based on ASTM D7136 have been conducted on FMLs made of 1050 aluminum sheets and various types of fiber reinforced polymer (FRP) layers; namely E-Glass, Kevlar 49, and carbon T300 plain woven in the epoxy resin. Projectile energy, fiber type and the number of successive impacts are selected among important parameters that can affect the performance of FMLs. In particular, the effects of these parameters on the absorbed energy, contact force, front and rear face damage areas, central deflection and permanent deformation of FMLs have been investigated. For determining the damage area and central deflection of the specimens, an image processing method is adapted.

Volume Subject Area:
36th Design Automation Conference
Topics:
Aluminum, Epoxy resins, Fibers, Laminates, Damage, Deflection, ASTM International, Carbon, Deformation, Fiber reinforced plastics, Glass, Image processing, Impact testing, Mechanical behavior, Metals, Polymers, Projectiles, Stress
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 by ASME
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