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纬编双轴向织物/环氧树脂电加热复合材料电热及层间剪切性能

戴海军 李嘉禄 孙颖 刘梁森 陈利

戴海军, 李嘉禄, 孙颖, 等. 纬编双轴向织物/环氧树脂电加热复合材料电热及层间剪切性能[J]. 复合材料学报, 2020, 37(8): 1997-2004. doi: 10.13801/j.cnki.fhclxb.20191129.001
引用本文: 戴海军, 李嘉禄, 孙颖, 等. 纬编双轴向织物/环氧树脂电加热复合材料电热及层间剪切性能[J]. 复合材料学报, 2020, 37(8): 1997-2004. doi: 10.13801/j.cnki.fhclxb.20191129.001
DAI Haijun, LI Jialu, SUN Ying, et al. Electrothermal and interlaminar shear properties of weft knitted biaxial fabric/epoxy resin electrically heated composites[J]. Acta Materiae Compositae Sinica, 2020, 37(8): 1997-2004. doi: 10.13801/j.cnki.fhclxb.20191129.001
Citation: DAI Haijun, LI Jialu, SUN Ying, et al. Electrothermal and interlaminar shear properties of weft knitted biaxial fabric/epoxy resin electrically heated composites[J]. Acta Materiae Compositae Sinica, 2020, 37(8): 1997-2004. doi: 10.13801/j.cnki.fhclxb.20191129.001

纬编双轴向织物/环氧树脂电加热复合材料电热及层间剪切性能

doi: 10.13801/j.cnki.fhclxb.20191129.001
基金项目: 天津市自然科学基金(19JCYBJC18300)
详细信息
    通讯作者:

    孙颖,博士,教授,博士生导师,研究方向为高性能编织材料和树脂基纺织复合材料 E-mail:sunying@tjpu.edu.cn

  • 中图分类号: TB332

Electrothermal and interlaminar shear properties of weft knitted biaxial fabric/epoxy resin electrically heated composites

  • 摘要: 为开发一种可用于航空飞行器防/除冰防护的电加热复合材料,本文设计制备了三种纬编双轴向织物/环氧树脂复合材料,采用实验方法研究了纬编双轴向织物电阻丝排列密度对复合材料电热性能和层间剪切性能的影响。电加热复合材料上、下层均为玻璃纤维/环氧树脂预浸料,中间层为电加热纬编双轴向织物,织物衬经纱、捆绑纱和衬纬纱分别采用铜镍合金丝、涤纶和玻璃纤维。采用红外温度测试仪和材料万能试验机进行性能测试。结果表明:施加电压6 s后复合材料表面温度快速升高,在60 s左右温度达到最高平衡温度,复合材料表面最高平衡温度与施加电压成正比关系;当施加电压不变时,电阻丝排列密度越小,复合材料表面最高平衡温度越高;电阻丝排列密度越小,复合材料层间剪切强度越大。可见,纬编双轴向织物/环氧树脂电加热复合材料具有轻质高强、加热速率高、成型性好等特点,适合用于飞行器多个部位的防/除冰。

     

  • 图  1  电加热纬编双轴向织物结构示意图

    Figure  1.  Structure diagram of electrically heated weft knitted biaxial fabric

    图  2  电加热纬编双轴向织物实物图

    Figure  2.  Physical picture of electrically heated weft knitted biaxial fabric

    图  3  纬编双轴向织物/环氧树脂电加热复合材料制备原理图

    Figure  3.  Schematic diagram of preparation process of weft knitted biaxial fabric/epoxy resin electrically heated composites

    图  4  不同电阻丝排列密度的纬编双轴向织物/环氧树脂电加热复合材料

    Figure  4.  Weft knitted biaxial fabric/epoxy resin electrically heated composites with different resistance wire densities

    图  5  纬编双轴向织物/环氧树脂电加热复合材料试样

    Figure  5.  Samples of weft knitted biaxial fabric/epoxy resin electrically heated composites

    图  6  TP8红外摄像机

    Figure  6.  TP8 infrared camera

    图  7  岛津试验机(a)和3D轮廓测量仪(b)

    Figure  7.  Shimadzu testing machine(a) and 3D profilometer(b)

    图  8  不同输出电压下纬编双轴向织物/环氧树脂电加热复合材料温度-时间曲线

    Figure  8.  Temperature-time curves of weft knitted biaxial fabric/epoxy resin electrically heated composites under different voltages

    图  9  不同输出电压时纬编双轴向织物/环氧树脂电加热复合材料表面最高平衡温度

    Figure  9.  Maximum equilibrium temperatures of weft knitted biaxial fabric/epoxy resin electrically heated composite surface under different output voltages

    图  10  纬编双轴向织物/环氧树脂电加热复合材料表面最高温度图像和三维温度图像

    Figure  10.  Maximum temperature images and three-dimensional temperature images of weft knitted biaxial fabric/epoxy resin electrically heated composite surface

    图  11  纬编双轴向织物/环氧树脂电加热复合材料层间剪切实验载荷-位移曲线

    Figure  11.  Interlaminar shear load-displacement curves of weft knitted biaxial fabric/epoxy resin electrically heated composites

    图  12  纬编双轴向织物/环氧树脂电加热复合材料剪切试样形貌

    Figure  12.  Shear morphologies of weft knitted biaxial fabric/epoxy resin electrically heated composite samples

    表  1  玻璃纤维性能参数

    Table  1.   Properties of glass fiber

    MaterialDensity/
    (g·cm−3)
    Permittivity/
    MHz
    Dielectric loss/
    10−3 MHz
    Tensile strength/
    MPa
    Tensile modulus/
    GPa
    Maximum service
    temperature/℃
    E-glass fiber 2.54 6.6 1.2 3 430 72 380
    下载: 导出CSV

    表  2  铜镍22合金丝性能参数

    Table  2.   Properties of Cu-Ni 22 alloy

    MaterialDiameter/
    mm
    Resistivity/
    (μΩ·m)
    Density/
    (g·cm−3)
    Temperature coefficient
    of resistance/10−6
    Maximum service
    temperature/℃
    Cu-Ni 22 0.22±0.01 0.169 8.9 <25 300
    下载: 导出CSV

    表  3  玻璃纤维/环氧树脂复合材料预浸料性能参数

    Table  3.   Performance parameters of glass fiber/epoxy resin composite prepreg

    Resin specificationFabric specificationLaminate mechanical properties
    9A16 epoxy resinE-glass fiber
    Cure
    temperature/℃
    Fabric areal
    weight/(g·m−2)
    0° tensile
    strength/MPa
    0° tensile
    modulus/GPa
    0° compressive
    strength/MPa
    0° flexual
    strength/MPa
    110−150 96±9 400 18 450 500
    下载: 导出CSV

    表  4  电加热纬编双轴向织物结构参数

    Table  4.   Structural parameters of electrically heated weft knitted biaxial fabric

    Thickness/
    mm
    Court warp/
    (yarns·(10 mm)−1)
    Court fill/
    (yarns·(10 mm)−1)
    Fabric areal
    weight/(g·m−2)
    1.16±0.1 7±1 5±1 700±2
    下载: 导出CSV

    表  5  纬编双轴向织物/环氧树脂电加热复合材料试样电阻值

    Table  5.   Resistance values of weft knitted biaxial fabric/epoxy resin electrically heated composite samples

    TypeResistence/Ω
    1234AverageVariance/10−6
    EC4 0.289 0.284 0.290 0.289 0.288 5.50
    EC5 0.270 0.272 0.274 0.270 0.272 2.75
    EC9 0.245 0.241 0.245 0.238 0.242 8.75
    下载: 导出CSV

    表  6  纬编双轴向织物/环氧树脂电加热复合材料层间剪切强度

    Table  6.   Interlaminar shear strengths of weft knitted biaxial fabric/epoxy resin electrically heated composites

    SampleWidth/mmThickness/mmMaximum load/NShort-beam strength/MPaAverage/MPaVariance/10−3
    EC4-01 10.0 1.01 21.395 1.589 1.609 5.96
    EC4-02 10.1 1.00 19.835 1.473
    EC4-03 10.0 1.01 21.980 1.632
    EC4-04 10.0 1.01 22.940 1.703
    EC4-05 10.2 1.00 22.415 1.648
    Sample Width/mm Thickness/mm Maximum load/N Short-beam strength/MPa Average/MPa Variance/10−3
    EC5-01 10.0 1.01 15.005 1.114 1.078 2.96
    EC5-02 10.2 1.00 14.925 1.097
    EC5-03 10.1 1.03 13.630 0.983
    EC5-04 10.0 1.02 15.495 1.139
    EC5-05 10.0 1.00 14.100 1.058
    Sample Width/mm Thickness/mm Maximum load/N Short-beam strength/MPa Average/MPa Variance/10−3
    EC9-01 10.1 1.00 10.440 0.775 0.734 2.29
    EC9-02 10.3 1.02 9.955 0.711
    EC9-03 10.0 1.00 9.170 0.688
    EC9-04 10.0 1.00 10.745 0.806
    EC9-05 10.2 1.00 9.385 0.690
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-10-09
  • 录用日期:  2019-11-17
  • 网络出版日期:  2019-11-29
  • 刊出日期:  2020-08-15

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