In this paper, the mechanical behaviors of pure Ti and new Ti-alloy films and CFRP/Ti-alloy laminated composites are investigated in order to research of development of fiber metal laminates tanks for cryogenic rocket propellants. Tensile tests of pure Ti and new -Ti alloy films and CFRP/Tialloy laminated composites are performed. Characterization of the nonlinear behaviors of pure Ti and new Ti-alloy films are evaluated by elastoplastic model. As for CFRP/Ti alloy, it is shown that there is little residual strain compared with CFRP/pure Ti. Internal damage is evaluated by cross-sectional observation. From the crosssectional observation, no damage was observed in the metal layer, though transverse cracks were propagated in the CFRP 90 degree layers.
Mechanical properties of CFRP/Ti-alloy laminated composites
2007
7 Seiten, 10 Bilder, 2 Tabellen, 12 Quellen
Conference paper
Storage medium
English
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