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碳纤维-玻璃纤维混杂增强环氧树脂三维编织复合材料薄壁圆管压溃吸能特性与损伤机制

张徐梁 阳玉球 阎建华 马岩

张徐梁, 阳玉球, 阎建华, 等. 碳纤维-玻璃纤维混杂增强环氧树脂三维编织复合材料薄壁圆管压溃吸能特性与损伤机制[J]. 复合材料学报, 2021, 38(9): 2821-2828. doi: 10.13801/j.cnki.fhclxb.20201210.001
引用本文: 张徐梁, 阳玉球, 阎建华, 等. 碳纤维-玻璃纤维混杂增强环氧树脂三维编织复合材料薄壁圆管压溃吸能特性与损伤机制[J]. 复合材料学报, 2021, 38(9): 2821-2828. doi: 10.13801/j.cnki.fhclxb.20201210.001
ZHANG Xuliang, YANG Yuqiu, YAN Jianhua, et al. Crushing energy absorption characteristics and damage mechanism of carbon fiber-glass fiber hybrid reinforced epoxy 3D braided composite thin-walled circular tube[J]. Acta Materiae Compositae Sinica, 2021, 38(9): 2821-2828. doi: 10.13801/j.cnki.fhclxb.20201210.001
Citation: ZHANG Xuliang, YANG Yuqiu, YAN Jianhua, et al. Crushing energy absorption characteristics and damage mechanism of carbon fiber-glass fiber hybrid reinforced epoxy 3D braided composite thin-walled circular tube[J]. Acta Materiae Compositae Sinica, 2021, 38(9): 2821-2828. doi: 10.13801/j.cnki.fhclxb.20201210.001

碳纤维-玻璃纤维混杂增强环氧树脂三维编织复合材料薄壁圆管压溃吸能特性与损伤机制

doi: 10.13801/j.cnki.fhclxb.20201210.001
基金项目: 国家商用飞机制造工程技术研究中心创新基金项目(COMAC-SFGS-2019-342);江苏省高校自然科学研究面上项目(19KJB430029)
详细信息
    通讯作者:

    阳玉球,博士,教授,博士生导师,研究方向为纺织复合材料  E-mail:amy_yuqiu_yang@dhu.edu.cn

    马岩,博士,副教授,研究方向为纺织复合材料  E-mail:mayan0416@ntu.edu.cn

  • 中图分类号: TB332

Crushing energy absorption characteristics and damage mechanism of carbon fiber-glass fiber hybrid reinforced epoxy 3D braided composite thin-walled circular tube

  • 摘要: 基于三维编织成型及真空辅助树脂传递成型技术,制备了编织纱和轴纱不同混杂方式(编织纱/轴纱:碳纤维-碳纤维(CF-CF)、碳纤维-玻璃纤维(CF-GF);玻璃纤维-碳纤维(GF-CF))增强环氧树脂(EP)的三类三维编织复合材料薄壁圆管,通过准静态轴向压溃及详细的破坏断面观察,研究了纤维混杂方式对薄壁圆管的能量吸收性能和破坏模式的影响。研究发现:CF-CF/EP样品的比能量吸收值分别比GF-CF/EP大36%,比CF-GF/EP大12%。编织纱为碳纤维时(CF-CF/EP及CF-GF/EP),圆管的破坏模式均为折叠破坏模式,编织纱采用碳纤维能有效地遏制中央裂纹的轴向扩展,折叠变形的三维结构内部发生了较多细小的微观破坏。而编织纱为玻璃纤维的GF-CF/EP,破坏模式则为开花内外弯曲式,中央裂纹产生,三维结构呈现分层并向圆管内外弯曲。

     

  • 图  1  三维五向编织(2层14列)排纱示意图

    Figure  1.  Schematic diagram of 3D five direction braided yarn arrangement with 2 layers and 14 rows

    图  2  真空辅助树脂传递成型装置示意图

    Figure  2.  Schematic diagram of vacuum assisted resin transfer molding device

    图  3  CF-CF/EP轴向压缩过程图及载荷-位移曲线

    Figure  3.  CF-CF/EP axial compression process diagram and load-displacement curves

    图  4  CF-GF/EP轴向压缩及载荷-位移曲线

    Figure  4.  CF-GF/EP axial compression process diagram and load-displacement curves

    图  5  GF-CF/EP轴向压缩过程及载荷-位移曲线

    Figure  5.  GF-CF/EP axial compression process diagram and load-displacement curves

    图  6  典型的复合材料管件物轴向压缩载荷-位移曲线[25]

    Figure  6.  Typical axial compression load-displacement curve of composite pipe[25]

    图  7  三维编织复合材料薄壁圆管试样轴向压缩后的截面观察图

    Figure  7.  Section view of 3D braided composite thin-walled circular tube sample after axial compression

    图  8  三维编织复合材料薄壁圆管试样的截面破坏模式

    Figure  8.  Failure mode diagram of 3D braided composite thin-walled circular tube sample section

    表  1  原材料性能

    Table  1.   Properties of raw materials

    PropertyT700 CF398 GFJC-02A epoxy
    σ/MPa 4900 2450
    E/GPa 230 81.95
    ρ/(g·cm−3) 1.8 2.64 1.12
    Notes:CF—Carbon fiber;GF—Glass fiber;σ—Tensile strength;E—Tensile modulus;ρ—Density.
    下载: 导出CSV

    表  2  三维编织复合材料薄壁圆管的参数

    Table  2.   Parameters of 3D braided composite thin-walled circular tube

    Specimenθ/(°)T/mmVcf/%Vgf/%
    CF-CF/EP 32 3.28 45.56 0
    CF-GF/EP 33 3.47 27.67 18.86
    GF-CF/EP 35 3.88 19.98 26.56
    Notes:CF—Carbon fiber;GF—Glass fiber;EP—Epoxy resin; CF-CF/EP—Braiding yarn is CF,axial yarn is CF; CF-GF/EP—Braiding yarn is CF,axial yarn is GF;GF-CF/EP—Braiding yarn is GF,axial yarn is CF;Vcf—Fiber volume fraction of carbon fiber,Vgf—Fiber volume fraction of glass fiber;T—Thickness of wall;θ—Braiding angle.
    下载: 导出CSV

    表  3  三维编织复合材料薄壁圆管的能量吸收性能

    Table  3.   Energy absorption properties of 3D braided composite thin-walled circular tube

    Type specimenPmax/NSPmaxUT/JSUTEs/(kJ·kg−1)SEs
    CF-CF/EP 42606.31 1205.96 996.36 47.34 80.58 4.12
    CF-GF/EP 46503.92 1794.68 1124.13 9.24 70.45 0.37
    GF-CF/EP 43561.49 1267.68 902.15 28.42 51.64 1.81
    Notes:Pmax—Maximum load;UT—Total energy absorption;Es—Specific energy absorption;SPmax and SEsSUT—Standard deviation of Pmax and standard deviation of Es,UT.
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-09-14
  • 修回日期:  2020-10-17
  • 录用日期:  2020-12-02
  • 网络出版日期:  2020-12-11
  • 刊出日期:  2021-09-01

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