Abstract
The mechanical properties and printing efficiency (i.e. the printing time) are often contradictory goals in 3D printing of continuous fibre composites. In this work, we presented a multi-objective optimization method for improving both the mechanical properties and printing efficiency of 3D-printed continuous flax-fibre-reinforced composites (CFFRCs). It was found that the printing efficiency of the CFFRCs with the optimal processing parameters was remarkably improved by 40% without sacrificing the tensile strength of the composites. This study provides an effective method for the improvement of the production efficiency of high-quality 3D-printed continuous fibre reinforced composites.
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