Abstract
Aiming at increasing weight-to-strength structural performance and reducing fabrication cost, fiber-reinforced thermosetting plastics (FRPs) should be joined to other lightweight metals. However, reducing the thicknesses of components for lightweight products makes FRP-to-metal joining a greater challenge. In this study, warm embossing process was applied to improve the single-lap adhesive bonding quality for thermosetting FRP and A2017P-T3 thin sheets. The use of a dummy sheet, the relative position of the sample and dummy sheet and the embossing parameters were investigated. The effects of the types of fiber and polymeric matrix as well as the ply laminates on the feasibility of the hybrid joining were also clarified. This study shows that adhesive–embossing hybrid joining process which exhibits remarkable superiorities in terms of tensile shear load, displacement and absorption energy is a competitive joining method for ultra lightweight thermosetting FRP-metal hybrid structures.
Published Version
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