Abstract:A dual-nozzle 3D printing technique was proposed to prepare continuous glass fiber reinforced PA6 (CGF/PA6) composites with sandwich structure. Short glass fiber reinforced PA6 filament was used for printing the surface layer and CGF/PA6 filament was used for inner part to provide high-mechanical performance. Morphology of CGF/PA6 filament and the properties of printed composites samples were investigated. Printing process parameters were systematically optimized. The results showed that when CGF/PA6 part thic… Show more
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