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溶胶-喷雾法制备多壁碳纳米管增强氧化铝基复合材料及性能研究

谈松林 庄永起 易健宏

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溶胶-喷雾法制备多壁碳纳米管增强氧化铝基复合材料及性能研究

谈松林, 庄永起, 易健宏

Preparation and properties of multi-walled carbon nanotube reinforced alumina composites by sol- spray method

Tan Song-Lin, Zhuang Yong-Qi, Yi Jian-Hong
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  • 采用溶胶-喷雾制备了多壁碳纳米管增强氧化铝基球形复合粉体, 采用放电等离子真空快速烧结成型. SEM分析测试结果表明, 多壁碳纳米管在氧化铝基体中呈网络分布, 且主要位于晶界处, 少量呈穿晶分布. 复合材料性能分析测试结果表明, 当多壁碳纳米管的质量分数为0.5%时, 复合材料的维氏硬度相对纯的氧化铝提高了32.6%; 热扩散系数在不同测试温度下相对纯氧化铝的平均提高幅度为27.2%. 此外, 当多壁碳纳米管质量分数达到0.5%时复合材料呈导体, 根据渗流导电理论拟合得到实验制备复合材料的渗流阈值为0.32 wt.%, 说明多壁碳纳米管在氧化铝基体中分散良好.
    The spherical composite powders of multi-walled carbon nanotubes reinforced alumina are prepared by sol- spray. The results show that the multi-walled carbon nanotubes are well dispersed in the composites. The analyses of the composite properties show that most of the multi-walled carbon nanotubes are distributed in a network at the grain boundaries, and a small number of them are distributed in the grains. When the mass fraction of multi-walled carbon nanotubes accounts for 0.5%, the Vickers hardness of the composite increases by 32.6% relative to pure alumina; the thermal diffusion coefficient increased averagely by 27.2% with respect to pure alumina at different temperatures. The composites are conductive at 0.5% of multi-walled carbon nanotubes, and the percolation threshold of the composites prepared by this method is 0.32wt.% based on the fitting of the percolation conductivity theory, indicating that the multi-walled carbon nanotubes are well dispersed in the alumina matrix.
      通信作者: 谈松林, tansonglin@icloud.com
    • 基金项目: 国家自然科学基金(批准号: 51741102)、云南省教育厅重大项目(批准号: 2016CYH08)和云南省科技厅创新团队(批准号: 2017HC033)资助的课题.
      Corresponding author: Tan Song-Lin, tansonglin@icloud.com
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 51741102), the Major projects of Yunnan Provincial Department of Education (Grant No. 2016CYH08) and Innovation team of Yunnan Provincial Science and Technology Department (Grant No. 2017HC033).
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    Saheb N, Hayat U 2017 Ceram. Int. 43 5715Google Scholar

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    Lee K, Chan B M, Park S B, Hong S H 2011 J. Am. Ceram. Soc. 94 3774Google Scholar

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    Lin J, Fan G, Li Z, Kai X, Di Z, Chen Z, Humphries S, Heness G, Yeung W Y Z 2011 Carbon 49 1965Google Scholar

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    Damavandi B Y, Xia Y, Ahmad I, Zhu Y 2017 Veruscript Functional Nanomaterials 41 1

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    Groffman P M, Baron J S, Blett T, Gold A, Goodman I, Gunderson L H, Levinson B M, Palmer M A, Paerl H W, Peterson G D 2006 Ecosystems 9 1Google Scholar

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    S M 1994 Applications of Percolation Theory(Los Angeles: CRC Press) pp53−57.

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    Liu Y, Lin, Y, Shi Z, Nan, C W, Shen Z J 2005 J. Am. Ceram. Soc. 88 1337Google Scholar

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  • 图 1  溶胶-喷雾制备的球形粉末SEM图 (a) 300 ℃喷雾后的水合氢氧化铝; (b) 900 ℃热处理后的Al2O3; (c) (d)300 ℃喷雾干燥后的1% MWNT/Al2O3粉末; (e) (f) 为(c)氩气中900 ℃热处理后的1% MWNT/Al2O3粉末

    Fig. 1.  SEM of spherical powder prepared by sol-spray: (a) Hydrated aluminum hydroxide after spray drying at 300 ℃; (b) Al2O3 after heat treatment at 900 ℃; (c) and (d) 1% MWNT/Al2O3 composites powder after spray drying at 300 ℃; (e) and (f) 1% MWNT/Al2O3 composites powder after heat treatment at 900 ℃ in argon.

    图 2  Al2O3及MWNT/Al2O3复合材料断面SEM照片 (a)为纯氧化铝; (b)(d)MWNTs质量分数为0.5%; (c) MWNTs质量分数为1%

    Fig. 2.  SEM of fracture surface of pure alumina and MWNT/Al2O3 composites (a) pure alumina; (b) (d) 0.5% MWNT/Al2O3 composites; (c) 1% MWNT/Al2O3 composites.

    图 3  不同质量分数MWNT/Al2O3复合材料XRD图谱

    Fig. 3.  XRD patterns of MWNT/Al2O3 composites with different mass fractions.

    图 4  MWNT/Al2O3复合材料(1#—6#)电导率拟合曲线

    Fig. 4.  Fitting curve of the conductivity of MWNT/Al2O3 composite’s(1#–6#).

    图 5  MWNT/Al2O3复合材料(1#-6#)热导率与MWNTs质量分数关系曲线

    Fig. 5.  Curves between the thermal conductivity of composite materials(1#–6#) and the mass fraction of MWNTs.

    表 1  MWNT/Al2O3复合材料性能测试结果

    Table 1.  Properties of MWNT/Al2O3 composite.

    编号样品名称及烧结参数相对密度/%维氏硬度/HV电导率/(S·cm–1)
    1#0.0%WMNTs(3 min × 1450 ℃ × 40 MPa)1001436.710–13
    2#0.1%WMNTs(3 min × 1450 ℃ × 40 MPa)99.11523.7
    3#0.5%WMNTs(3 min × 1450 ℃ × 40 MPa)98.71901.40.649
    4#1.0%WMNTs(3 min × 1450 ℃ × 40 MPa)98.51733.60.838
    5#2.0%WMNTs(3 min × 1450 ℃ × 40 MPa)98.01698.60.983
    6#4.0%WMNTs(3 min × 1450 ℃ × 40 MPa)97.31233.21.144
    改变烧结参数对性能影响
    7#1.0%WMNTs(6 min × 1450 ℃ × 40 MPa)98.51703.10.789
    8#1.0%WMNTs(9 min × 1450 ℃ × 40 MPa)98.71687.50.917
    9#1.0%WMNTs(3 min × 1450 ℃ × 50 MPa)98.81747.80.923
    10#1.0%WMNTs(3 min × 1500 ℃ × 40 MPa)98.61673.10.768
    下载: 导出CSV

    表 2  5% MWNT/Al2O3复合材料和纯Al2O3热扩散系数

    Table 2.  Thermal diffusivity of 0.5% MWNT/Al2O3 composite and pure Al2O3.

    测试
    温度/℃
    纯Al2O3
    扩散系数
    /(mm2·s–1)
    0.5% MWNT
    /Al2O3热扩散
    系数/(mm2·s–1)
    热扩散系数
    提高幅度/%
    507.859.7123.7
    1006.157.7726.2
    2004.355.5627.8
    3003.384.3428.4
    4002.813.5928.0
    5002.403.1029.3
    平均值27.2
    下载: 导出CSV
  • [1]

    Iijima, Sumio 1991 Nature 354 56Google Scholar

    [2]

    Ke C, Jia C C, Li W S 2013 Appl. Phys. A 110 269Google Scholar

    [3]

    Chan K F, Zaid M, Mamat M S, Liza S, Yaakob Y 2021 Crystals 11 457Google Scholar

    [4]

    Park S S, Moorthy M S, Ha C S 2014 Korean J. Chem. Eng. 31 1707Google Scholar

    [5]

    Hassan R U, Shahzad F, Abbas N, Hussain, S 2019 J. Mater. Sci-Mater EI. 30 6304

    [6]

    康艳茹, 何禧佳, 殷正娥, 李亚利 2018 复合材料学报 35 150

    Kang Y R, He X J, Yin Z E, Li Y L 2018 Acta Mater. Compos. Sin. 35 150

    [7]

    Ngo I L, Jeon S, Chan B 2016 Int J Heat Mass Tran. 98 219Google Scholar

    [8]

    Li C, Liang T, Lu W, Tang C, Hu X, Cao M 2004 Compos. Sci. Technol. 64 2089Google Scholar

    [9]

    Lee T H, Cho S H, Lee T G 2018 J. Am. Ceram. Soc. 101 3156Google Scholar

    [10]

    Chung, D D L. 2001 Carbon 39 279Google Scholar

    [11]

    Singh M A, Sarma D K, Hanzel O, Sedláček J, Šajgalík P 2017 J. Eur. Ceram. Soc. 37 3107Google Scholar

    [12]

    Nan C W, Shi Z, Lin Y 2003 Chem. Phys. Lett. 375 666Google Scholar

    [13]

    Lanfant B, Leconte Y, Debski N, Bonnefont G, Bernard F 2018 Ceram. Int. 45 2566

    [14]

    Kaiser A B, G Düsberg, Roth S 1998 Phys. Rev. B 57 1418Google Scholar

    [15]

    Momohjimoh I, Saheb N, Hussein M A, Laoui T, Aqeeli N. 2020 Ceram. Int. 46 16008Google Scholar

    [16]

    Lanfant B, Leconte Y, Debski N, Pinault M, Mayne M, Herlin N 2014 Tech. Connect. World Washington, June 15−18 2014 p131.

    [17]

    Liu C, Ding J 2020 Procedia Manufacturing 48 763Google Scholar

    [18]

    Zhan G D, Mukherjee A K 2010 Int. J. Appl. Ceram. Tec. 1 161

    [19]

    Saheb N, Hayat U 2017 Ceram. Int. 43 5715Google Scholar

    [20]

    Lee K, Chan B M, Park S B, Hong S H 2011 J. Am. Ceram. Soc. 94 3774Google Scholar

    [21]

    Kumari L, Zhang T, Du G H, Li W Z, Wang Q W, Datye A Wu K H 2009 Ceram. Int. 35 1775Google Scholar

    [22]

    Estili M, Sakka Y 2014 Sci. Technol. Adv. Mat. 15 064902Google Scholar

    [23]

    Zhang S C, Fahrenholtz W G, Hilmas G E, Yadlowsky E J 2010 J. Eur. Ceram. Soc. 30 1373Google Scholar

    [24]

    Barinov S M, Fateeva L V, Yurashev S V, Ballóková E, Rudnayová E 2002 Powder Metall. Prog. 22 61

    [25]

    Lin J, Fan G, Li Z, Kai X, Di Z, Chen Z, Humphries S, Heness G, Yeung W Y Z 2011 Carbon 49 1965Google Scholar

    [26]

    Damavandi B Y, Xia Y, Ahmad I, Zhu Y 2017 Veruscript Functional Nanomaterials 41 1

    [27]

    Groffman P M, Baron J S, Blett T, Gold A, Goodman I, Gunderson L H, Levinson B M, Palmer M A, Paerl H W, Peterson G D 2006 Ecosystems 9 1Google Scholar

    [28]

    S M 1994 Applications of Percolation Theory(Los Angeles: CRC Press) pp53−57.

    [29]

    Bergman D J 1980 Phys. Rev. Lett. 44 1285Google Scholar

    [30]

    Liu Y, Lin, Y, Shi Z, Nan, C W, Shen Z J 2005 J. Am. Ceram. Soc. 88 1337Google Scholar

    [31]

    Meir Y 2012 Physica A 302 391

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出版历程
  • 收稿日期:  2021-06-01
  • 修回日期:  2021-09-02
  • 上网日期:  2021-09-10
  • 刊出日期:  2022-01-05

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