高性能树脂基复合材料轻质结构3D打印与性能研究

摘要

树脂基复合材料轻质结构具有轻质、高性能等优点,广泛应用于航天航空、高速列车和船舶等领域.通过对传统树脂基复合材料轻质结构制造工艺的综述分析,发现传统制造工艺具有过程复杂、周期长和生产成本高等缺陷,限制了树脂基复合材料轻质结构的发展.3D打印是一种先进的零件成形工艺,可实现复杂结构零件的快速制造,为高性能复合材料轻质结构的一体化制造提供了可能.介绍了树脂基复合材料轻质结构3D打印的研究进展,提出了基于连续纤维增强热塑性复合材料3D打印的高性能复合材料轻质结构的一体化制造工艺,并对其性能开展了初步研究.%Resin matrix composite lightweight structure has the advantages of low density and high performance,for use in lightweight applications such as aerospace,high-speed trains,ships and others.However,the disadvantages of conventional forming processes,such as complex process,long process period and high cost,have limited the wide applications of resin matrix composite lightweight structure.3D printing is a new forming process of parts,and it is possible to realize integrated manufacturing of high performance composite lightweight structure.This paper reviews the research status of resin matrix composite lightweight structure 3D printing,and meanwhile presents a new integrated manufacturing process of high performance resin matrix composite lightweight structure based on continuous fiber reinforced thermoplastic composites 3D printing.