修理工艺对非对称复合材料剩余强度影响研究

doi:10.19936/j.cnki.2096-8000.20260828.015

复合材料科学与工程 ›› 2026, Vol. 0 ›› Issue (8): 115-123.DOI: 10.19936/j.cnki.2096-8000.20260828.015

修理工艺对非对称复合材料剩余强度影响研究

马铭泽¹, 孟庆春², 熊欣², 王世明¹, 吴富强^3*, 王冠华¹

1.南京航空航天大学通用航空与飞行学院,常州 213300;
2.中航工业直升机设计研究所,景德镇 333000;
3.南京航空航天大学飞行器先进设计技术国防重点学科实验室,南京 210016

收稿日期:2025-06-05 出版日期:2026-08-28 发布日期:2026-09-24
通讯作者: 吴富强(1979—),男,博士,副教授,主要从事复合材料疲劳方面的研究,stonewu@ nuaa.edu.cn。
作者简介:马铭泽(1992—),男,博士,讲师,主要从事飞机结构疲劳与断裂方面的研究。
基金资助:
中国博士后科学基金面上资助(2024M754129)

Study on the effect of repair techniques on the residual strength of asymmetric composites

MA Mingze¹, MENG Qingchun², XIONG Xin², WANG Shiming¹, WU Fuqiang^3*, WANG Guanhua¹

1. College of General Aviation and Flight, Nanjing University of Aeronautics and Astronautics,Changzhou 213300, China;
2. AVIC China Helicopter Research and Development Institute, Jingdezhen 333000, China;
3. Key Laboratory of Fundamental Science for National Defense-Advanced Design Technology of Flight Vehicle, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Received:2025-06-05 Online:2026-08-28 Published:2026-09-24

摘要/Abstract

摘要： 对划痕损伤非对称复合材料修理后剩余强度展开研究,完成了贴补及挖补修理复合材料的拉伸试验,对比了不同修理工艺的修复效果。采用数值仿真模型,进行了修补试验件仿真分析,并通过与试验结果对比,验证了仿真模型正确性。为进一步研究修理参数对挖补修理效果的影响,计算了不同搭接宽度下的极限载荷,获得了不同厚度及搭接方式所对应的最佳强度恢复系数。结果表明:贴补修理工艺对表面划痕损伤具有较好的修复效果,修理后的强度恢复系数可达90%;逐层搭接修理工艺的修理效果优于双层搭接修理效果;随着复合材料厚度增加,修理效果有所降低。

关键词: 非对称复合材料, 划痕损伤, 修理工艺, 强度恢复系数

Abstract: A study was conducted on the residual strength of asymmetrical composite materials after scratch damage repair. Tensile tests were performed on composite specimens repaired using both patch and scarf repair techniques to compare the effectiveness of different repair methods. A numerical simulation model was developed to analyze the repaired specimens, and the accuracy of the model was validated by comparing the simulation results with experimental data. To further investigate the influence of repair parameters on the effectiveness of scarf repairs, the ultimate loads for different overlap widths were calculated, and the optimal strength recovery factors corresponding to various thicknesses and overlap configurations were determined. The results show that the patch repair technique is effective for surface scratch damage, achieving up to 90% strength recovery. The stepped scarf repair method demonstrated better performance than the double-layer lap repair. However, the repair effectiveness decreases with increasing composite thickness.

Key words: asymmetrical composite materials, scratch damage, repair techniques, strength recovery factor

中图分类号:

TB332

马铭泽, 孟庆春, 熊欣, 王世明, 吴富强, 王冠华. 修理工艺对非对称复合材料剩余强度影响研究[J]. 复合材料科学与工程, 2026, 0(8): 115-123.

MA Mingze, MENG Qingchun, XIONG Xin, WANG Shiming, WU Fuqiang, WANG Guanhua. Study on the effect of repair techniques on the residual strength of asymmetric composites[J]. COMPOSITES SCIENCE AND ENGINEERING, 2026, 0(8): 115-123.

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修理工艺对非对称复合材料剩余强度影响研究

Study on the effect of repair techniques on the residual strength of asymmetric composites

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