中温固化松香基环氧树脂碳纤维增强复合材料性能

刘燕峰 刘青曼 陈旭

刘燕峰, 刘青曼, 陈旭. 中温固化松香基环氧树脂碳纤维增强复合材料性能[J]. 航空材料学报. doi: 10.11868/j.issn.1005-5053.2021.000187
引用本文: 刘燕峰, 刘青曼, 陈旭. 中温固化松香基环氧树脂碳纤维增强复合材料性能[J]. 航空材料学报. doi: 10.11868/j.issn.1005-5053.2021.000187
LIU Yanfeng, LIU Qingman, CHEN Xu. Properties of rosin based epoxy resin carbon fiber reinforced composites cured at medium temperature[J]. Journal of Aeronautical Materials. doi: 10.11868/j.issn.1005-5053.2021.000187
Citation: LIU Yanfeng, LIU Qingman, CHEN Xu. Properties of rosin based epoxy resin carbon fiber reinforced composites cured at medium temperature[J]. Journal of Aeronautical Materials. doi: 10.11868/j.issn.1005-5053.2021.000187

中温固化松香基环氧树脂碳纤维增强复合材料性能

doi: 10.11868/j.issn.1005-5053.2021.000187
详细信息
    通讯作者:

    刘燕峰(1979—),男,博士,高级工程师,主要从事树脂基体及其复合材料性能研究,E-mail:canpul@qq.com

  • 中图分类号: TB332

Properties of rosin based epoxy resin carbon fiber reinforced composites cured at medium temperature

  • 摘要: 以生物质松香基马来海松酸酐(MPA)作为固化剂固化石油基E-54、AG-80和014U三种环氧树脂混合物,研究松香基环氧树脂基体及其复合材料的热性能和力学性能,评价其作为先进树脂基复合材料应用在航空飞行器主承力结构件的可能性,拓宽生物质环氧树脂应用领域。结果表明:固化后的环氧树脂具有较高的力学性能和热失重温度,配方F2树脂固化后玻璃化转变温度为156 ℃,拉伸强度为82.6 MPa、拉伸模量为3.05 GPa、断裂伸长率为4.2%、5%热分解温度约为370 ℃;以F2/U3160预浸料制备的复合材料层合板干态玻璃化转变温度为158 ℃,湿态玻璃化转变温度为123 ℃,干态力学性能与已经应用于直升机旋翼系统的3261/HT3复合材料性能相当,并具备较高的湿态力学性能保持率。

     

  • 图  1  马来海松酸酐分子结构

    Figure  1.  Molecular structure of maleopimaric acid anhydride

    图  2  配方F2熔体黏度随温度变化关系曲线

    Figure  2.  Viscosity-temperature curve of F2 melt

    图  3  配方F2环氧树脂的DSC曲线 (a)固化前;(b)固化后

    Figure  3.  DSC curve of formula F2 epoxy resin  (a) before curing;(b) after curing

    图  4  配方F2环氧树脂固化后的TGA曲线

    Figure  4.  TGA curve of formula F2 epoxy resin

    图  5  F2/U3160复合材料层合板干态DMA曲线Fig. 5DMA curve of F2 / U3160 composite laminate in dry condition

    图  6  F2/U3160复合材料层合板湿态DMA曲线

    Figure  6.  DMA curve of F2 / U3160 composite laminate in wet condition

    表  1  预浸料的物理性能

    Table  1.   1Physical properties of prepreg

    Fiber mass per unit area/(g·m−2Mass content of resin in prepreg/%Thickness of single layer after curing/mm
    167±332±30.156±0.010
    下载: 导出CSV

    表  2  环氧树脂配方比

    Table  2.   Component in epoxy resin formula

    NoMPAE-54AG-80CYD-014UEH-3293S
    F183.8603555
    F277.6752055
    F373.5851055
    下载: 导出CSV

    表  3  固化后环氧树脂浇铸体的玻璃化转变温度和力学性能

    Table  3.   Glass transition temperature and mechanical properties of cured epoxy resin casting

    NoGlass transition temperature /℃Tensile strength /
    MPa
    Tensile modulus /
    GPa
    Elongation at break /%
    F116076.23.233.6
    F215682.63.054.2
    F314885.72.674.7
    下载: 导出CSV

    表  4  复合材料层合板的干态力学性能

    Table  4.   Mechanical properties of composite laminates in dry condition

    Composite0° tensile strength/
    MPa
    0° tensile modulus/
    GPa
    Poisson's ratio90°tensile strength/ MPa90° tensile modulus/ GPa0° compressive strength /
    MPa
    0° compressive modulus /
    GPa
    F2/U316016441260.15367.68.351078117
    3261/HT315201270.32708.41018115
    Composite90° Compressive strength/
    MPa
    90° Compressive modulus/
    GPa
    0° Flexural strength/
    MPa

    Flexural modulus/GPa
    Interlaminar shear strength/
    MPa
    Open-hole
    tensile strength/
    MPa
    Open-hole compressive strength /
    MPa
    F2/U316015610.0141911979.9337279
    3261/HT31639.6150012082292282
    下载: 导出CSV

    表  5  F2/U3160预浸料制备的复合材料层合板湿热条件下力学性能

    Table  5.   Mechanical properties of composite laminates prepared with F2 / U3160 prepreg under wet and hot conditions

    Condition0° Flexural strength /MPa0° Flexural modulus /GPaInterlaminar shear strength/MPa
    RTD141911979.9
    RTW132012079.3
    RTW/ RTD, %93.099.2
    ETD126412266.9
    ETW103411858.3
    ETD/ ETW, %81.887.1
    Note:RTD indicates the condition of room temperature and dry environment, RTW indicates the condition of room temperature and wet environment, ETD indicates the condition of 70 ℃ and dry environment, ETW indicates the condition of 70 ℃ and wet environment.
    下载: 导出CSV
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  • 网络出版日期:  2022-04-22

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