Improving Strength of Carbon Fiber Grafted Carbon Nanotube Reinforced Thermoplastic Composites by 3D-Printed Molding

To improve the strength of carbon fiber (CF) reinforced Polycaprolactam (PA6) composites, controlled amounts of carbon nanotubes (CNTs) were grafted onto the surface of CF to prepare the hybrid reinforcement (HR). We used HR to fabricate laminate and H-sample to test the interfacial bonding strength (IBS) of the composites by means of a novel process called three-dimensional printed molding (3D-PM). By using the melt drop printing method, we...