rGO/CNTs/EP复合涂层的电荷积聚与消散特性

赵欣 邢一龙 李梦 黄成超 赵皓东 杨华荣

赵欣, 邢一龙, 李梦, 黄成超, 赵皓东, 杨华荣. rGO/CNTs/EP复合涂层的电荷积聚与消散特性[J]. 航空材料学报, 2022, 42(2): 91-98. doi: 10.11868/j.issn.1005-5053.2021.000084
引用本文: 赵欣, 邢一龙, 李梦, 黄成超, 赵皓东, 杨华荣. rGO/CNTs/EP复合涂层的电荷积聚与消散特性[J]. 航空材料学报, 2022, 42(2): 91-98. doi: 10.11868/j.issn.1005-5053.2021.000084
ZHAO Xin, XING Yilong, LI Meng, HUANG Chengchao, ZHAO Haodong, YANG Huarong. Charge accumulation and dissipation characteristics of rGO / CNTs / EP composite coating[J]. Journal of Aeronautical Materials, 2022, 42(2): 91-98. doi: 10.11868/j.issn.1005-5053.2021.000084
Citation: ZHAO Xin, XING Yilong, LI Meng, HUANG Chengchao, ZHAO Haodong, YANG Huarong. Charge accumulation and dissipation characteristics of rGO / CNTs / EP composite coating[J]. Journal of Aeronautical Materials, 2022, 42(2): 91-98. doi: 10.11868/j.issn.1005-5053.2021.000084

rGO/CNTs/EP复合涂层的电荷积聚与消散特性

doi: 10.11868/j.issn.1005-5053.2021.000084
基金项目: 国家结冰与防除冰重点实验室开放课题基金(IADL20190407);中国民用航空飞行学院科研基金重点项目(ZJ2020-06);中国民航飞行学院成果转化基金(CJ2018-03)
详细信息
    通讯作者:

    赵欣(1978—),男,博士,教授,主要从事航空功能材料的制备及性能表征、新型航空材料开发,E-mail:cafuczx@126.com

  • 中图分类号: V255

Charge accumulation and dissipation characteristics of rGO / CNTs / EP composite coating

  • 摘要: 研究飞机涂层的导静电问题,对rGO/CNTs/EP复合涂层表面的电荷积聚、消散过程进行理论分析,并根据实验数据进行拟合分析,探讨理论模型的合理性以及影响电荷消散作用的因素。采用三种电荷动态变化模型对实测数据进行拟合分析,揭示拟合曲线以及电荷积聚与消散过程的时间常数、拟合系数等参数,与理论变化曲线进行对比研究,验证电荷变化情况与时间常数的关系,评价模型的合理性与涂层电荷耗散效果。结果表明:相比于积聚模型,复杂模型较好地反映电荷积聚过程中的变化;随着涂层中rGO/CNTs添加量的增加,积聚时间常数与消散时间常数比值增大,积聚电荷的峰值减小,消散作用增强;消散模型基本符合电荷消散过程的实际变化趋势,随着rGO/CNTs添加量的增加,消散时间常数减小,消散作用增强。

     

  • 图  1  归一化后的σ(t)理论变化曲线

    Figure  1.  Normalized σ(t) theoretical change curve

    图  2  rGO/CNTs/EP涂层表面电位变化情况

    Figure  2.  Potential change of rGO / CNTs / EP coating surface

    图  3  复杂过程中不同a值条件下σ(t)/δ的理论变化曲线

    Figure  3.  Theoretical curves of σ(t)/δ of different a values in complex process

    图  4  归一化后复杂过程中不同a值的σ(t)的理论变化曲线

    Figure  4.  Theoretical curves of σ(t) of different a values in complex process after normalization

    图  5  归一化后消散过程中u(t)的理论变化曲线

    Figure  5.  Theoretical curve of u(t) in dissipation process after normalization

    图  6  涂层试样表面电荷积聚状况测试装置

    Figure  6.  Test device for surface charge accumulation of composite coating sample

    图  7  rGO/CNTs/EP涂层在电荷积聚过程中表面电位变化拟合曲线与实测数据变化 (a)复杂模型的拟合结果;(b)积聚模型的拟合结果

    Figure  7.  Fitting curves of surface potential change of rGO/CNTs/EP coating in charge accumulation process and change of measured data  (a) fitting curves of complex model; (b) fitting curves of accumulation model

    图  8  以复杂模型拟合的rGO/CNTs/EP涂层表面电位变化归一化曲线

    Figure  8.  Normalized curves of surface potential change of rGO/CNTs/EP coating fitted with complex model

    图  9  rGO/CNTs/EP涂层在消散过程中表面电位变化拟合曲线与实测数据变化

    Figure  9.  Fitting curves of surface potential change of rGO / CNTs / EP coating in dissipation process and change of measured data

    图  10  以消散模型拟合的rGO/CNTs/EP涂层表面电位变化归一化曲线

    Figure  10.  Normalized curves of surface potential change of rGO/CNTs/EP coating fitted with dissipation model

    表  1  复杂模型、积聚模型的拟合参数及a

    Table  1.   Fitting parameters of complex model and accumulation model and a value

    SampleFitting formulaU/kVbc/s–1d/s–1R2a
    EPFormula 8–5.0020.42610.000872.22×10–140.99952.56×10–11
    Formula 9–5.0020.42610.000870.9995
    1% rGO/CNTsFormula 8–5.0010.40880.001070.000790.99990.7359
    Formula 9–5.0010.13050.003890.9973
    3% rGO/CNTsFormula 8–5.0010.14060.001934.17×10–140.99992.17×10–11
    Formula 9–5.0010.14060.001930.9999
    5% rGO/CNTsFormula 8–5.0270.54020.000580.001510.99832.6097
    Formula 9–50.60840.00780.9787
    下载: 导出CSV

    表  2  电荷积聚补充测量数据

    Table  2.   Charge accumulation measurement supplementary data

    SampleSurface potential/kV
    20 min30 min
    EP–1.35–1.62
    1% rGO/CNTs–0.56–0.45
    3% rGO/CNTs–0.27–0.18
    5% rGO/CNTs–0.19–0.13
    下载: 导出CSV

    表  3  消散模型的拟合参数及实验中的U0

    Table  3.   Fitting parameters of dissipation model and U0 in test

    SampleU0 in
    fitting/kV
    U0 in
    test/kV
    m/s–1R2
    EP–0.4701–0.50.00058060.8515
    1 % rGO/CNTs–0.4177–0.440.0046850.9627
    3 % rGO/CNTs–0.2854–0.310.0051490.9075
    5 % rGO/CNTs–0.2457–0.270.0057960.8824
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-05-18
  • 录用日期:  2022-02-14
  • 修回日期:  2022-02-23
  • 刊出日期:  2022-04-22

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