Impact damage resistance of 3D printed continuous fibre reinforced thermoplastic composites using fused deposition modelling

摘要: Abstract Fused deposition modelling (FDM) is a promising additive manufacturing technology and an alternative of conventional processes for the fabrication fibre reinforced composites due to its ability build functional parts having complex geometries. Continuous thermoplastic (CFRTPCs) are becoming more significant in industrial applications their inherit advantages such as excellent mechanical performance, recycling potential lightweight structures [1,2]. However, major concern affecting efficient use 3D printed effect impact damage on structural integrity, compared pre-preg composites. The aim this study evaluate orientation, layer thickness volume content performance continuous carbon, glass, Kevlar® nylon composites, manufactured by FDM technique. Charpy tests carried out determine strength. SEM images fractured surfaces examined assess failure mechanics different configurations. It observed that samples was flat on-edge samples. Impact strength increases but, conversely, it decreases samples, depicting brittle fracture. In addition, results show most cases. Glass exhibits highest carbon lowest one similar performance. Furthermore, exhibit higher values than Finally, obtained demonstrate exhibited significantly usual thermoplastics and, some cases, even better common materials.