CompositesWorld
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NEWS 93 CompositesWorld.com Comparing the manufacturing process of FMLs with current composites, FML manufacture employs aluminum molds where today's large, typically carbon fiber-reinforced polymer (CFRP) struc- tures often require costly Invar tooling. Further, FML cure temperatures are much lower than those required for CFRP. is, in combination with the lower raw material cost and greater automation, can bring FML applications for primary struc- tures into the cost range of aluminum, which is at least half that of a composite design. FMLs, like metals, also avoid the add-ons needed for composites to provide electrical functions, such as light- ning strike mesh, electrical shielding and return paths. FML manufacture will become less expensive, going forward, as GKN Aero- space's Fokker business continues work on an industrial automation project, with Airbus Premium Aerotec GmbH and Stelia Aerospace. Smart, automated and robotized production technology will enable higher-volume production rates and increase affordability for OEMs. e company continues to improve FML with "disruptive" concepts, including embedding heating elements for deicing, embedding antennae within the laminate to replace drag-inducing exterior antennae, and producing "wired" FML with embedded electrical systems for structural health monitoring. Concludes van Mourik: "Our auto- mated concepts will continue to bring Read this article online | short.compositesworld.com/FMLsRBack Read more online about the Aloha Airlines Flight 243 accident | short.compositesworld.com/AAFlt243 Read more online about metal fatigue as a factor in Comet aircraft crashes | short.compositesworld.com/MFComet FML manufacturing also is discussed online at the CW Blog in "The resurgence of Glare" | short.compositesworld.com/REGlare costs down. FML has huge innovation potential for func- tional integration of systems." For a company that believes in taking advantage of what each of the available aerospace mate- rials can offer a customer in a finished product and desires to develop optimized production processes, FMLs offer an ideal opportunity to cultivate both. Sara Black is a CW senior editor and has served on the CW staff for 19 years. sara@compositesworld.com Fiber-metal Laminates READY TO SHIP: compression router One of the most popular and effective tools in the aerospace industry—the AMAMCO Compression Router— is now ready to ship, whenever you're ready to order! Visit www.AMAMCOTool.com/ready_to_ship. Or call: 800.833.2239