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熔融沉积成型Fe3O4-MWCNTs/PLA微波吸收材料性能

黄才华 黄陈 吴海华 高琦 叶喜葱

黄才华, 黄陈, 吴海华, 等. 熔融沉积成型Fe3O4-MWCNTs/PLA微波吸收材料性能[J]. 复合材料学报, 2024, 41(4): 1954-1967. doi: 10.13801/j.cnki.fhclxb.20230902.001
引用本文: 黄才华, 黄陈, 吴海华, 等. 熔融沉积成型Fe3O4-MWCNTs/PLA微波吸收材料性能[J]. 复合材料学报, 2024, 41(4): 1954-1967. doi: 10.13801/j.cnki.fhclxb.20230902.001
HUANG Caihua, HUANG Chen, WU Haihua, et al. Properties of microwave absorbers formed by fused deposition modeling with Fe3O4-MWCNTs/PLA composite wire[J]. Acta Materiae Compositae Sinica, 2024, 41(4): 1954-1967. doi: 10.13801/j.cnki.fhclxb.20230902.001
Citation: HUANG Caihua, HUANG Chen, WU Haihua, et al. Properties of microwave absorbers formed by fused deposition modeling with Fe3O4-MWCNTs/PLA composite wire[J]. Acta Materiae Compositae Sinica, 2024, 41(4): 1954-1967. doi: 10.13801/j.cnki.fhclxb.20230902.001

熔融沉积成型Fe3O4-MWCNTs/PLA微波吸收材料性能

doi: 10.13801/j.cnki.fhclxb.20230902.001
基金项目: 湖北省技术创新专项重大项目(2019AAA164)−高性能石墨烯基材料制备关键技术研究
详细信息
    通讯作者:

    吴海华,博士,教授,博士生导师,研究方向为石墨/石墨烯3D打印及其应用技术 E-mail: wuhaihua@ctgu.edu.cn

  • 中图分类号: TB333

Properties of microwave absorbers formed by fused deposition modeling with Fe3O4-MWCNTs/PLA composite wire

Funds: Major Technological Innovation Project of Hubei Science and Technology Department (2019AAA164)—Research on Key Technologies for the Preparation of High-performance Graphene-based Materials
  • 摘要: 具有轻质高强、宽吸收带、薄厚度和热稳定性的电磁吸收材料是实现微波吸收应用的核心要求。本文以聚乳酸(PLA)为基体,Fe3O4和多壁碳纳米管(MWCNTs)为填料,通过球磨混合和熔融挤出法制备出Fe3O4-MWCNTs/PLA复合线材,利用熔融沉积成型(FDM)制备出Fe3O4-MWCNTs/PLA复合材料。采用XRD、SEM和矢量网络分析仪分别对复合材料的物相结构、微观形貌和电磁特性进行了表征,并研究了Fe3O4含量对复合材料吸波性能的影响。Fe3O4与MWCNTs-PLA复合形成的复合吸波材料质量轻、稳定性好、介电性能可调,因其良好的阻抗匹配和电磁波衰减能力而表现出优异的宽带吸收能力。实验结果表明:Fe3O4含量达到25wt%,厚度为1.4 mm时,反射损耗达到−48.5 dB,有效吸收带宽达到6.78 GHz (10.38~17.16 GHz),表现出优异的微波吸收性能。

     

  • 图  1  Fe3O4-MWCNTs/PLA复合粉末的DSC曲线

    Figure  1.  DSC curves of Fe3O4-MWCNTs/PLA composite powders

    图  2  (a) Fe3O4-MWCNTs/PLA复合线材;(b) 同轴环;(c) 拉伸试样

    Figure  2.  (a) Fe3O4-MWCNTs/PLA composite filaments; (b) Coaxial rings; (c) Tensile specimen

    图  3  Fe3O4-MWCNTs/PLA复合材料的XRD图谱

    Figure  3.  XRD patterns of Fe3O4-MWCNTs/PLA composites

    图  4  MWCNTs/PLA和Fe3O4-MWCNTs/PLA复合材料的热重分析曲线

    Figure  4.  Thermogravimetric (TG) curves of MWCNTs/PLA and Fe3O4-MWCNTs/PLA composites

    图  5  不同Fe3O4含量的Fe3O4-MWCNTs/PLA复合材料SEM图像:(a) 6%MWCNTs/PLA;(b) 10%Fe3O4-6%MWCNTs/PLA;(c) 15%Fe3O4-6%MWCNTs/PLA;(d) 20%Fe3O4-6%MWCNTs/PLA;((e), (f)) 25%Fe3O4-6%MWCNTs/PLA

    Figure  5.  SEM images of Fe3O4-MWCNTs/PLA composites with different Fe3O4 contents: (a) 6%MWCNTs/PLA; (b) 10%Fe3O4-6%MWCNTs/PLA; (c) 15%Fe3O4-6%MWCNTs/PLA; (d) 20%Fe3O4-6%MWCNTs/PLA; ((e), (f)) 25%Fe3O4-6%MWCNTs/PLA

    图  6  Fe3O4-MWCNTs/PLA复合材料的应力-应变柱状图

    Figure  6.  Stress-strain histogram of Fe3O4-MWCNTs/PLA composites

    图  7  Fe3O4-MWCNTs/PLA复合材料的电磁参数:(a) 复介电常数实部;(b) 复介电常数虚部;(c) 介电损耗角正切;(d) 复磁导率实部;(e) 复磁导率虚部;(f) 磁损耗角正切

    Figure  7.  Electromagnetic parameters of Fe3O4-MWCNTs/PLA composites: (a) Real part of complex permittivity; (b) Imaginary part of complex permittivity; (c) Dielectric loss tangent; (d) Real part of complex permeability; (e) Imaginary part of complex permeability; (f) Magnetic loss tangent

    图  8  Fe3O4-MWCNTs/PLA复合材料的Colo-Colo曲线

    Figure  8.  Colo-Colo curves of Fe3O4-MWCNTs/PLA composites

    图  9  Fe3O4-MWCNTs/PLA复合材料的涡流值C0

    Figure  9.  Eddy current data C0 of Fe3O4-MWCNTs/PLA composites

    图  10  6%MWCNTs/PLA ((a), (a1))、10%Fe3O4-6%MWCNTs/PLA ((b), (b1))、15%Fe3O4-6%MWCNTs/PLA ((c), (c1))、20%Fe3O4-6%MWCNTs/PLA ((d), (d1))和25%Fe3O4-6%MWCNTs/PLA ((e), (e1))的反射损耗曲线图与3D颜色映射曲面图

    Figure  10.  Reflection loss curves and 3D color mapping surfaces of 6%MWCNTs/PLA ((a), (a1)), 10%Fe3O4-6%MWCNTs/PLA ((b), (b1)), 15%Fe3O4-6%MWCNTs/PLA ((c), (c1)), 20%Fe3O4-6%MWCNTs/PLA ((d), (d1)), 25%Fe3O4-6%MWCNTs/PLA ((e), (e1))

    LR, min—Minimal reflection loss; d—Thickness; EAB—Effective absorption bandwidth

    图  11  (a) 复合材料厚度为1.4 mm时的阻抗匹配特性;(b) Fe3O4-MWCNTs/PLA复合材料的衰减系数

    Figure  11.  (a) Impedance matching characteristics for the composites with the thickness of 1.4 mm; (b) Attenuation constants of Fe3O4-MWCNTs/PLA composites

    图  12  25%Fe3O4-6%MWCNTs/PLA的1/4波长(λ)模型

    Figure  12.  1/4 wave length (λ) model of 25%Fe3O4-6%MWCNTs/PLA

    tm—Thickness between 1/4 and 3/4 wave length

    表  1  Fe3O4-多壁碳纳米管(MWCNTs)/聚乳酸(PLA)复合材料的成分

    Table  1.   Ingredients of Fe3O4-multi-walled carbon nanotubes (MWCNTs)/polylactic acid (PLA) composites

    SampleMass fraction/wt%
    PLAMWCNTsFe3O4
    6%MWCNTs/PLA946 0
    10%Fe3O4-6%MWCNTs/PLA84610
    15%Fe3O4-6%MWCNTs/PLA79615
    20%Fe3O4-6%MWCNTs/PLA74620
    25%Fe3O4-6%MWCNTs/PLA69625
    下载: 导出CSV

    表  2  Fe3O4-MWCNTs/PLA复合粉末DSC曲线对应的数据

    Table  2.   DSC data of Fe3O4-MWCNTs/PLA composite powders

    SampleTm/℃Tc/℃Tg/℃
    6%MWCNTs/PLA113.298.8886.48
    10%Fe3O4-6%MWCNTs/PLA
    15%Fe3O4-6%MWCNTs/PLA
    20%Fe3O4-6%MWCNTs/PLA
    25%Fe3O4-6%MWCNTs/PLA
    112.6
    112.8
    112.7
    112.7
    98.47
    98.37
    98.34
    98.37
    85.67
    85.68
    85.65
    85.45
    Notes: Tm—Melting temperature; Tc—Crystallization temperature; Tg—Glass transition temperature.
    下载: 导出CSV

    表  3  近3年文献中报道的Fe3O4复合材料与本文制备的复合材料吸波性能对比

    Table  3.   Comparison of the absorbing properties of Fe3O4 composites reported in the literature in the past three years and the composites prepared in this paper

    MaterialLoading/wt%MatrixLR, min/dB (Thickness)EAB/GHzRef.
    Fe3O4@f-GNPs
    RGO-Fe3O4
    CF/Fe3O4
    Fe3O4/MDCF
    Palygorskite/Fe3O4
    Fe3O4@Ti3C2Tx/CNTs
    Fe3O4/RGO@PANI
    Fe3O4@RGO
    Fe3O4@2H-MoS2
    ZnO/Fe3O4
    25%Fe3O4-6%MWCNTs/PLA
    70
    35
    50
    70
    50
    20
    60
    60
    60
    70
    31
    Paraffin
    Paraffin
    Paraffin
    Paraffin
    Paraffin
    Paraffin
    Paraffin
    Paraffin
    Paraffin
    Paraffin
    PLA
    −25.00 (2 mm)
    −34.40 (1.6 mm)
    −19.00 (1.5 mm)
    −26.45 (5 mm)
    −40.41 (5.9 mm)
    −40.01 (2 mm)
    −46.49 (2.5 mm)
    −49.40 (1.75 mm)
    −50.00 (1.9 mm)
    −51.10 (2.2 mm)
    −48.50 (1.4 mm)
    2.40
    3.80
    4.80
    4.28
    4.80
    5.80
    4.25
    3.96
    4.20
    5.28
    6.78
    [34]
    [33]
    [35]
    [36]
    [38]
    [39]
    [40]
    [43]
    [47]
    [49]
    This work
    Notes: EAB—Effective absorption bandwidth (LR, min≤−10 dB); f-GNPs—Graphene nanosheets; RGO—Graphene; CF—Foamed carbon; MDCF—Reticulated foam carbon; CNTs—Carbon nanotubes; PANI—Polyaniline.
    下载: 导出CSV
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出版历程
  • 收稿日期:  2023-05-29
  • 修回日期:  2023-07-24
  • 录用日期:  2023-08-24
  • 网络出版日期:  2023-09-04
  • 刊出日期:  2024-04-15

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