Hybrid Metal Laminates for Low Weight Fuselage Structures
Metal Laminates (MLs), combined with selective reinforcements and bonded design principles, is a hybrid structural concept suitable for use in primary fuselage structures. Following a screening of the static, fatigue and damage tolerance performances of thin MLs coupons an investigation, focused on identification of fuselage areas best suited for ML application has been performed. After a weight optimization analysis large panel tests have been defined and tested to investigate the two main structural design requirements: the post-buckling shear-compression response, and the F&DT behavior including large damage capability, of thin ML shells.
KeywordsMetal laminates Adhesive bonding Selective reinforcements Damage tolerance
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