复合材料缝合技术的研究进展

Research progress of stitching technology of composite materials

为更好了解复合材料缝合技术的研究现状,简述了缝合方式、缝合参数和近年来缝合复合材料力学性能的研究近况,以及国内外缝合设备的发展和应用。总结了缝合技术对复合材料力学性能的影响,证明缝合在材料的厚度方向引入连续纤维,可增强复合材料的层间断裂韧性,提高冲击损伤容限;分析了缝合系统和机器人相结合的发展现状,可在现有设备的基础上,不断创新新型设备,推动实现复合材料缝合技术的高效化、智能化;最后提出缝合技术目前发展存在的挑战及机遇,并指出复合材料缝合技术在航空航天、新能源、汽车等领域的发展前景。

In order to better understand the research status of stitching technology of composite materials,the stitching methods and stitching parameters were introduced, the research on the mechanical properties of stitching composite materials and the development and application of stitching equipment at home and abroad were summarized. The influence of stitching technology on the mechanical properties of composite material was emphasized. It was proved that the stitching introduces continuous fibers in the thickness direction of the material,which can enhance the interlaminar fracture toughness of composites and improve the impact damage tolerance. Special attention was paid to the development status of the combination of stitching system and robot. Based on the existing equipment,the new equipment should be further innovated to promote the high-efficiency and intelligentization of the suturing technology of composite materials. Finally,the challenges and opportunities of the current development of suturing technology was put forward,and the development prospects of composite suture technology in the fields of aerospace,new energy and automobile were pointed out.