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低气压下民航客机机舱壁板材料的热解动力学

张晓宇 贾旭宏 丁思婕 田威 代尚沛 汤婧

张晓宇, 贾旭宏, 丁思婕, 等. 低气压下民航客机机舱壁板材料的热解动力学[J]. 复合材料学报, 2024, 41(4): 1840-1851. doi: 10.13801/j.cnki.fhclxb.20230918.002
引用本文: 张晓宇, 贾旭宏, 丁思婕, 等. 低气压下民航客机机舱壁板材料的热解动力学[J]. 复合材料学报, 2024, 41(4): 1840-1851. doi: 10.13801/j.cnki.fhclxb.20230918.002
ZHANG Xiaoyu, JIA Xuhong, DING Sijie, et al. Pyrolysis kinetics of cabin panel materials for civil aircraft at low ambient pressure[J]. Acta Materiae Compositae Sinica, 2024, 41(4): 1840-1851. doi: 10.13801/j.cnki.fhclxb.20230918.002
Citation: ZHANG Xiaoyu, JIA Xuhong, DING Sijie, et al. Pyrolysis kinetics of cabin panel materials for civil aircraft at low ambient pressure[J]. Acta Materiae Compositae Sinica, 2024, 41(4): 1840-1851. doi: 10.13801/j.cnki.fhclxb.20230918.002

低气压下民航客机机舱壁板材料的热解动力学

doi: 10.13801/j.cnki.fhclxb.20230918.002
基金项目: 四川省重点实验室揭榜挂帅项目(XYKY2023011);中国民用航空飞行学院重点项目(ZJ2021-01)
详细信息
    通讯作者:

    贾旭宏,博士,教授,硕士生导师,研究方向为民用飞机非金属材料燃烧特性与灭火剂合成 E-mail: jiaxuhong02@163.com

  • 中图分类号: V258+.3;TB332

Pyrolysis kinetics of cabin panel materials for civil aircraft at low ambient pressure

Funds: Sichuan Province Key Laboratory Leader Announcement and Project (XYKY2023011); Key Program of Civil Aviation Flight Academy of China (ZJ2021-01)
  • 摘要: 航空运输环境为低气压环境,低气压会对火灾的发生发展产生重大影响。为了探究低环境压力下民航客机机舱壁板材料的热解特性,利用热重分析仪对其热解特性进行研究。选取空客某型飞机玻璃纤维/酚醛树脂夹层板结构壁板材料(A壁板)和玻璃纤维/酚醛树脂层压板结构壁板材料(B壁板)作为研究对象,分别在四川广汉(96 kPa)和四川康定(61 kPa)进行研究。结果表明:随着压力的降低和升温速率的升高,A壁板、B壁板热分解反应的初始反应温度、终止反应温度及最大质量损失速率温度均略向高温方向移动。在15℃/min升温速率下,A壁板的上下树脂基面板由两个热解阶段组成,芳纶蜂窝芯只有一个热解阶段,且树脂基面板的初始分解温度约182℃,明显小于芳纶蜂窝芯分解温度413℃;B壁板热解分为两个阶段,初始热解温度约258℃。采用Kissinger法、Flynn-Wall-Ozawa (FWO)法、Starink法和KAS法进行热解动力学分析,FWO法、Starink法和KAS法得到的表观活化能相近,低压下A壁板、B壁板表观活化能相对于常压下分别提高了大约10.4%和28.5%。而且96 kPa环境下A壁板和B壁板的化学反应速率大约是61 kPa环境下的1.9倍和1.2倍。

     

  • 图  1  不同压力环境下玻璃纤维/酚醛树脂夹层板((a), (b))和层压板((c), (d))的TG和DTG曲线

    Figure  1.  TG and DTG curves of the glass fiber/phenolic resin sandwich panels ((a), (b)) and laminated panels ((c), (d)) under different pressure environments

    图  2  玻璃纤维/酚醛树脂夹层板TG曲线(a)和DTG曲线(b)

    Figure  2.  TG curves (a) and DTG curves (b) of the glass fiber/phenolic resin sandwich panel

    图  3  不同升温速率条件下玻璃纤维/酚醛树脂夹层板的TG曲线((a), (c))和DTG曲线((b), (d))

    Figure  3.  TG curves ((a), (c)) and DTG curves ((b), (d)) of the glass fiber/phenolic resin sandwich panelunder different heating rates

    图  4  不同升温速率条件下玻璃纤维/酚醛树脂层压板的TG曲线((a), (c))和DTG曲线((b), (d))

    Figure  4.  TG curves ((a), (c)) and DTG curves ((b), (d)) of the glass fiber/phenolic resin laminated panel under different heating rates

    图  5  不同压力环境下Kissinger法玻璃纤维/酚醛树脂夹层板和层压板的表观活化能

    Figure  5.  Apparent activation energy of Kissinger the glass fiber/phenolic resin sandwich panel and laminated panel under different pressure conditions

    β—Heating rate; TP—Temperature of maximum rate of mass loss

    图  6  不同压力环境下玻璃纤维/酚醛树脂夹层板和层压板的拟合曲线

    Figure  6.  Fitting curves of the glass fiber/phenolic resin sandwich panel and laminated panel under different pressure environments

    表  1  玻璃纤维/酚醛树脂夹层板和层压板热解参数

    Table  1.   Pyrolysis parameters of the glass fiber/phenolic resin sandwich panels and laminated panels

    Material Temperature scope of thermal
    decomposition/℃
    Temperature of maximum
    mass loss rate/℃
    First stage Second stage First stage Second stage
    Upper panel 195-340 340-655 247 550
    Aramid honeycomb core 413-768 612
    Lower panel 183-350 350-702 295 567
    Glass fiber/phenolic resin sandwich panel 182-331 331-760 295 578
    Glass fiber/phenolic resin laminated panel 258-450 450-616 365 528
    下载: 导出CSV

    表  2  不同压力环境下玻璃纤维/酚醛树脂夹层板和层压板的热解参数

    Table  2.   Pyrolysis parameters of the glass fiber/phenolic resin sandwich panel and laminated panel under different pressure environments

    Material Pressure/
    kPa
    Heating rate/
    (℃·min−1)
    Temperature scope of thermal
    decomposition/℃
    Temperature of maximum mass
    loss rate/℃
    First stage Second stage Third stage First stage Second stage Third stage


    Glass fiber/
    phenolic resin
    sandwich panel
    96 5
    15
    25
    35
    153-221
    181-245
    184-256
    221-304
    245-314
    256-372
    262-382
    304-580
    314-610
    372-718
    382-763
    187
    225
    235
    258
    280
    304
    320
    522
    572
    634
    677
    61 5
    15
    25
    35
    157-225
    182-331
    291-378
    225-320


    320-657
    331-706
    378-731
    368-738
    199


    256
    295
    334
    535
    578
    633
    639


    Glass fiber/
    phenolic resin
    laminated panel
    96 5
    15
    25
    35
    167-374
    215-457
    272-457
    282-461
    374-581
    457-612
    457-676
    461-686



    317
    361
    363
    377
    475
    527
    531
    547



    61 5
    15
    25
    35
    231-380
    258-450
    281-459
    291-471
    380-545
    450-616
    459-668
    471-694



    321
    365
    368
    393
    481
    528
    532
    551



    下载: 导出CSV

    表  3  Kissinger法计算的动力学参数

    Table  3.   Kinetic parameters calculated by Kissinger method

    Material Pressure/
    kPa
    Slope k=E/R E/
    (kJ·mol−1)
    lnA
    Glass fiber/phenolic resin sandwich panel 96

    6.6
    8.4
    7.4
    54.9
    70.0
    61.9
    5.5
    7.2
    −0.2
    Ave 62.3
    61 5.6
    10.8
    46.2
    89.5
    1.3
    4.0
    Ave 67.9

    Glass fiber/phenolic resin laminated panel
    96 10.9
    14.6
    89.8
    121.4
    9.6
    11.9
    Ave 105.6
    61 9.7
    15.7
    80.6
    130.5
    7.4
    10.6
    Ave 105.6
    Notes: $k$—Slope of the curve fitted to Fig.5; E—Activation energy; R—Molar gas constants; A—Apparent pre-exponential factor; Ave—Average of E.
    下载: 导出CSV

    表  4  Flynn-Wall-Ozawa、Starink和KAS方法所求表观活化能

    Table  4.   Apparent activation energy obtained by Flynn-Wall-Ozawa, Starink and KAS methods

    α/% FWO Starink KAS
    Glass fiber/phenolic resin sandwich
    panel
    Glass fiber/phenolic resin laminated
    panel
    Glass fiber/phenolic resin sandwich
    panel
    Glass fiber/phenolic resin laminated
    panel
    Glass fiber/phenolic resin sandwich
    panel
    Glass fiber/phenolic resin laminated
    panel
    96 kPa 61 kPa 96 kPa 61 kPa 96 kPa 61 kPa 96 kPa 61 kPa 96 kPa 61 kPa 96 kPa 61 kPa
    10 79.3 70.9 65.3 88.6 73.0 63.7 59.6 83.9 72.1 62.8 58.9 83.1
    20 94.9 91.0 74.0 88.4 88.3 83.9 68.3 83.3 87.4 83.0 67.5 82.6
    30 96.9 101.9 69.0 89.3 89.9 94.9 62.7 83.9 89.0 94.0 61.9 83.1
    40 92.4 99.5 61.1 104.9 84.8 92.1 57.3 99.8 83.8 91.1 56.5 99.0
    50 86.4 100.8 59.0 82.7 78.2 93.1 51.4 75.8 77.2 92.0 50.5 74.8
    60 84.2 93.9 60.4 93.6 75.6 85.7 52.4 86.8 74.5 84.7 51.4 85.9
    70 82.3 99.2 65.4 95.1 70.8 91.0 57.2 88.0 72.2 90.0 56.2 87.1
    80 79.8 97.1 70.3 88.5 70.5 88.6 62.0 80.9 69.3 87.5 60.9 79.9
    90 76.9 100.0 66.7 75.9 67.2 91.4 58.0 67.4 66.0 90.2 56.9 66.3
    Ave 85.9 94.9 66.0 89.7 77.6 87.2 58.8 83.3 76.8 86.1 57.9 82.4
    Note:α—Conversion.
    下载: 导出CSV
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  • 收稿日期:  2023-06-06
  • 修回日期:  2023-08-22
  • 录用日期:  2023-09-09
  • 网络出版日期:  2023-09-19
  • 刊出日期:  2024-04-15

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