基于前端聚合的复合材料穿孔损伤原位快速修复研究

doi:10.19936/j.cnki.2096-8000.20260928.009

复合材料科学与工程 ›› 2026, Vol. 0 ›› Issue (9): 79-87.DOI: 10.19936/j.cnki.2096-8000.20260928.009

基于前端聚合的复合材料穿孔损伤原位快速修复研究

宋龙杰, 张宏武, 杨莉玲, 陶小芳, 陈丁丁, 邢素丽, 尹昌平^*, 唐俊^*

国防科技大学空天科学学院,长沙 410073

收稿日期:2025-07-15 出版日期:2026-09-28 发布日期:2026-09-23
通讯作者: 尹昌平(1980—),男,博士,教授,研究方向为高分子复合材料,ychangping@nudt.edu.cn。唐俊(1990—),男,博士,副教授,研究方向为高分子复合材料,jun.tang@nudt.edu.cn。
作者简介:宋龙杰(2001—),男,硕士研究生,研究方向为高分子复合材料。
基金资助:
国防科技大学空天科学学院青年人才自主研究培育项目(KY0505072210)

Rapid in-situ repair of composite perforation damage based on frontal polymerization

SONG Longjie, ZHANG Hongwu, YANG Liling, TAO Xiaofang, CHEN Dingding, XING Suli, YIN Changping^*, TANG Jun^*

College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China

Received:2025-07-15 Online:2026-09-28 Published:2026-09-23

摘要/Abstract

摘要： 现有复合材料修复技术工艺流程长、时效性差,且依赖加热加压设备进行辅助固化,无法满足外场条件下原位、低能耗、快速修复的要求。以双环戊二烯为代表的前端聚合高分子仅需简单的热源激励便能快速完成固化,其固化过程简单、速率快、能耗低且力学性能优异。基于此,本论文针对复合材料穿孔损伤,开展基于前端聚合复合材料的快速修复技术研究,系统探究了补片铺层数、胶黏层、补片形状等因素对穿孔损伤复合材料薄板修复效果的影响规律。研究发现,当补片铺层数为4层时,修复效果最佳,但是由于前端聚合补片与损伤母板之间缺乏界面粘接,此时强度恢复率仅为40.74%。通过在前端聚合补片与损伤母板之间涂敷能够协同快速固化的环氧DP100胶,可以将修复后强度恢复率提升至71.94%。进一步将等长补片优化为梯形形状后,强度恢复率提升至84.48%。相较于传统贴补修复,前端聚合贴补修复能够使修复能耗下降1~4个数量级,修复时间由数小时下降至分钟级,且无需额外的加热加压设备,在装备应急维修领域具有广阔的应用前景。

关键词: 前端聚合, 原位快速修复, 复合材料, 贴补修复, 穿孔损伤

Abstract: Existing composite repair technologies face limitations in complex process and timeliness, which require heating/pressurization equipment for curing and prove unsuitable for in-situ, low-energy, rapid field repairs. Frontal polymerization (FP) polymers, typified by dicyclopentadiene (DCPD), present compelling potential for emergency equipment maintenance. These resins achieve rapid curing under minimal thermal initiation, featuring simple processing, ultra-fast kinetics, low energy consumption, and exceptional mechanical properties. Consequently, this work investigates FP-based rapid repair of perforated composite laminates, systematically evaluating the impact of patch ply count, adhesive interlayer, and patch geometry on restoration efficacy. Results demonstrate optimal repair performance with 4 patch plies. However, the lack of adequate bonding between the FP patch and damaged parent plate initially limits the strength recovery ratio to 40.74%. The application of a rapidly curing epoxy adhesive (DP100 glue) at the repair interface increased the strength recovery ratio to 71.94%. Further geometric optimization of a trapezoidal patch configuration increased this ratio to 84.48%. Compared to conventional external patch repair, the FP-based technique delivers substantial advances: energy consumption decreases by 1~4 orders of magnitude, repair time shortens from hours to minutes, and the process eliminates auxiliary heating/pressurization equipment.

Key words: frontal polymerization, in-situ rapid repair, composites, patch repair, perforation damage

中图分类号:

TB332

宋龙杰, 张宏武, 杨莉玲, 陶小芳, 陈丁丁, 邢素丽, 尹昌平, 唐俊. 基于前端聚合的复合材料穿孔损伤原位快速修复研究[J]. 复合材料科学与工程, 2026, 0(9): 79-87.

SONG Longjie, ZHANG Hongwu, YANG Liling, TAO Xiaofang, CHEN Dingding, XING Suli, YIN Changping, TANG Jun. Rapid in-situ repair of composite perforation damage based on frontal polymerization[J]. COMPOSITES SCIENCE AND ENGINEERING, 2026, 0(9): 79-87.

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基于前端聚合的复合材料穿孔损伤原位快速修复研究

Rapid in-situ repair of composite perforation damage based on frontal polymerization

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