含有分层损伤的薄壁碳纤维管件损伤性能分析

doi:10.12068/j.issn.1005-3026.2025.20230318

东北大学学报（自然科学版） ›› 2025, Vol. 46 ›› Issue (5): 80-86.DOI: 10.12068/j.issn.1005-3026.2025.20230318

含有分层损伤的薄壁碳纤维管件损伤性能分析

罗忠¹^,²^,³(), 孙新宇¹^,², 于冰¹^,², 张承双⁴

^1.东北大学机械工程与自动化学院，辽宁沈阳 110819
^2.东北大学航空动力装备振动及控制;教育部重点实验室，辽宁沈阳 110819
^3.东北大学佛山研究生创新学院，广东佛山 528312
^4.西安航空复合材料研究所，陕西西安 710025

收稿日期:2023-11-27 出版日期:2025-05-15 发布日期:2025-08-07
通讯作者: 罗忠
基金资助:
国家自然科学基金资助项目(12272089);国家自然科学基金资助项目(U1908217);中央高校基本科研业务费专项资金资助项目(N2224001-4);中央高校基本科研业务费专项资金资助项目(N2003013);中央高校基本科研业务费专项资金资助项目(N2303002);航天复合材料重点实验室开放基金资助项目(2022JX04H014)

Damage Performance Analysis of Thin-Walled Carbon Fiber Tube Fittings with Delamination Damage

Zhong LUO¹^,²^,³(), Xin-yu SUN¹^,², Bing YU¹^,², Cheng-shuang ZHANG⁴

^1.School of Mechanical Engineering & Automation，Northeastern University，Shenyang 110819，China
^2.Key Laboratory of Vibration and Control of Aero-Propulsion Systems，Ministry of Education，Northeastern University，Shenyang 110819，China
^3.Foshan Graduate School of Innovation，Northeastern University，Foshan 528312，China
^4.Xi’an Aerospace Composites Research Institute，Xi’an 710025，China.

Received:2023-11-27 Online:2025-05-15 Published:2025-08-07
Contact: Zhong LUO

摘要/Abstract

摘要：

以卫星天线支撑结构中的薄壁碳纤维管作为研究对象，针对管在运输、装配等过程中容易发生低能冲击产生的不可见的分层损伤，研究含有损伤的薄壁碳纤维管的抗损伤性能.采用ABAQUS实体单元建立了含有分层损伤的薄壁碳纤维管的有限元模型，通过低能横向冲击实验对有限元模型进行了验证.考虑管的实际工况，研究纤维取向和分层位置对管的抗压缩性能的影响，以及分层损伤对二次横向冲击的影响.结果表明，纤维取向越接近轴向，分层损伤对管的抗压缩性能的影响越小.只有在损伤位置处，管的抗横向冲击损伤性能才会下降.

关键词: 薄壁碳纤维管, 分层损伤, 轴向压缩, 纤维取向, 横向冲击

Abstract:

Taking the thin-walled carbon fiber tubes in the support structure of satellite antennas as the research object， the damage resistance of thin-walled carbon fiber tubes with damage was investigated with respect to the invisible delamination damage generated by low-energy impacts that are prone to occur in the process of tube transporting and assembling. A finite element model of a thin-walled carbon fiber tube with delamination damage was developed using ABAQUS solid units， and the finite element model was validated by low-energy transverse impact experiments. Considering the actual working conditions of the tube， the effects of fiber orientation and delamination position on the compressive properties of the tube and the effect of delamination damage on the secondary transverse impact were investigated. The results showed that the closer the fiber orientation is to the axial direction， the smaller the effect of delamination damage on the compressive properties of the tube. The resistance of the tube to transverse impact damage decreases only in the position of the damage.

Key words: thin-walled carbon fiber tube, delamination damage, axial compression, fiber orientation, transverse impact

中图分类号:

V 214.8

罗忠, 孙新宇, 于冰, 张承双. 含有分层损伤的薄壁碳纤维管件损伤性能分析[J]. 东北大学学报（自然科学版）, 2025, 46(5): 80-86.

Zhong LUO, Xin-yu SUN, Bing YU, Cheng-shuang ZHANG. Damage Performance Analysis of Thin-Walled Carbon Fiber Tube Fittings with Delamination Damage[J]. Journal of Northeastern University(Natural Science), 2025, 46(5): 80-86.

图/表 11

表1 仿真模型铺层方式

Table1 Simulation model layup methods

仿真模型	铺层方式
FEM1	【±15°/0₂°/±15°】
FEM2	【±30°/0₂°/±30°】
FEM3	【±45°/0₂°/±45°】

图1 有限元仿真模型（a）—轴向压缩；（b）—横向冲击.

Fig.1 Finite element simulation model

图2 含分层损伤的有限元模型示意图（a）—损伤划分；（b）—损伤位置.

Fig.2 Schematic diagram of the finite element model with layered damage

图3 不同铺层管的载荷-位移曲线

Fig.3 Load-displacement curves for different layered tubes

图4 不同纤维取向碳纤维管压缩对比（a）—15°；（b）—30°；（c）—45°.

Fig.4 Compression comparison of carbon fiber tubes with different fiber orientations

图5 压缩过程载荷-位移曲线（a）—FEM1；（b）—FEM2.

Fig.5 Load-displacement curves during compression

图6 FEM3压缩过程载荷-位移曲线

Fig.6 Load-displacement curves of FEM3 compression process

图7 3个冲击位置示意图

Fig.7 Schematic diagram of three impact positions

图8 不同冲击位置的载荷-时间曲线

Fig.8 Load-time curves for different impact positions

图9 落锤实验设置

Fig.9 Drop hammer experimental setup

图10 2 J冲击能量下载荷-时间曲线

Fig.10 Load-time curves under 2 J impact energy

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含有分层损伤的薄壁碳纤维管件损伤性能分析

Damage Performance Analysis of Thin-Walled Carbon Fiber Tube Fittings with Delamination Damage

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