连续纤维增强复合材料的3D打印工艺及应用进展

Printing process and application progress of 3D printing continuous fiber reinforced composites

连续纤维增强复合材料因其优异的力学性能、灵活的设计性以及耐腐蚀、抗疲劳等一系列优点而广泛应用于航空航天、汽车制造、智能材料等各个领域.传统的连续纤维增强复合材料制造工艺因生产成本较高和工艺的复杂性而限制了其在复杂结构中的应用,3D打印技术的日益成熟为制造轻质复杂一体化的连续纤维增强结构提供了可能.本文首先介绍了连续纤维增强复合材料的打印原料和打印方法,并总结了不同工艺对打印过程和结果的影响,其次分析了其在不同领域的应用前景,最后讨论了当下存在的研究问题并对未来连续纤维增强复合材料3D打印的发展做出了展望.

Continuous fiber reinforced composites are widely used in aerospace,automobile manufacturing,smart materials and other fields due to their excellent mechanical properties,flexible design,corrosion resistance,fatigue resistance and a series of advantages.The traditional continuous fiber reinforced composite manufacturing process limits its application in complex structures due to high production costs and process complexity,and the increasing maturity of 3D printing technology provides the possibility to manufacture lightweight and complex continuous fiber reinforced structures.This paper first introduces the printing raw materials and printing methods of continuous fiber reinforced composites,summarizes the influence of different processes on the printing process and results,then analyzes its application prospects in different fields,and finally discusses the current research problems and looks forward to the future development of continuous fiber reinforced composites 3D printing.