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材料工程  2015 

原位化学沉淀法制备Fe3O4-石墨复合材料的吸波性能

DOI: 10.11868/j.issn.1001-4381.2015.05.008, PP. 44-49

Keywords: Fe3O4,石墨,复合材料,原位化学沉淀法,吸波性能

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Abstract:

采用原位化学沉淀法将Fe3O4与石墨复合,研究了不同复合比例对吸波性能的影响.结果表明随着Fe3O4负载量的增加,复合材料中Fe3O4的X射线衍射峰增强;Fe3O4主要沉积在石墨表面,随着Fe3O4负载量的增加,对石墨表面的包覆越完整,但也有一些Fe3O4纳米颗粒散落在石墨颗粒之间;复合材料的介电常数随Fe3O4负载量的增大而减小,磁导率变化较小;在Fe3O4与石墨不同质量比复合材料中,质量比为51和41的复合材料表现出较好的吸波效果,在厚度为1.5mm时,质量比为51样品吸收峰值达-31.9dB,大于-10dB的吸收频带宽为5.0GHz.

References

[1]  QI X, YANG Y, ZHONG W, et al. Large-scale synthesis, characterization and microwave absorption properties of carbon nanotubes of different helicities[J]. Journal of Solid State Chemistry, 2009, 182(10):2691-2697.
[2]  崔升, 沈晓冬, 袁林生, 等. 电磁屏蔽和吸波材料的研究进展[J]. 电子元件与材料, 2005, 24(1):57-61.CUI S, SHEN X D, YUAN L S, et al. Research development of electromagnetic interference shielding and wave-absorbing materials[J]. Electronic Components & Materials, 2005, 24(1):57-61.
[3]  KIM S S, KIM S T, AHN J M, et al. Magnetic and microwave absorbing properties of Co-Fe thin films plated on hollow ceramic microspheres of low density[J]. Journal of Magnetism and Magnetic Materials, 2004, 271(1):39-45.
[4]  KIMURA S, KATO T, HYODO T, et al. Electromagnetic wave absorption properties of carbonyl iron-ferrite/PMMA composites fabricated by hybridization method[J]. Journal of Magnetism and Magnetic Materials, 2007, 312(1):181-186.
[5]  王永杰, 许轶, 芦艾, 等. 电磁屏蔽与吸波材料研究进展[J]. 化工新型材料, 2009, 37(11):24-26.WANG Y J, XU Y, LU A, et al. Research progress on electromagnetic-shielding and absorbing materials[J]. New Chemical Materials, 2009, 37(11):24-26.
[6]  钱九红. 纳米多波段隐身材料研究进展[J]. 稀有金属, 2006, 30(4):511-516.QIAN J H. Research progress in nanometer multiple-band stealthy material[J]. Chinese Journal of Rare Metals, 2006, 30(4):511-516.
[7]  FAN Z J, LUO G H, ZHANG Z F, et al. Electromagnetic and microwave absorbing properties of multi-walled carbon nanotubes/polymer composites[J]. Materials Science and Engineering:B, 2006, 132(1-2):85-89.
[8]  张健,张文彦,奚正平. 隐身吸波材料的研究进展[J]. 稀有金属材料与工程, 2008, 37(增刊4):504-508.ZHANG J, ZHANG W Y, XI Z P. Development of stealth radarwave absorbing materials[J]. Rare Metal Materials and Engineering, 2008, 37(Suppl 4):504-508.
[9]  LAKSHMI K, JOHN H, MATHEW K T, et al. Microwave absorption, reflection and EMI shielding of PU-PANI composite[J]. Acta Materialia, 2009, 57(2):371-375.
[10]  PENG C H, HWANG C C, WAN J, et al. Microwave-absorbing characteristics for the composites of thermal-plastic polyurethane (TPU)-bonded NiZn-ferrites prepared by combustion synthesis method[J]. Materials Science and Engineering:B, 2005, 117(1):27-36.
[11]  AZIM S S, SATHEESH A, RAMU K K, et al. Studies on graphite based conductive paint coatings[J]. Prog Org Coat, 2006, 55(1):1-4.
[12]  贾瑛, 任强富, 李志鹏, 等. 膨胀石墨基纳米镍、铁、钴化学镀制备复合吸波材料[J]. 材料保护, 2009, 42(8):1-4. JIA Y, REN Q F, LI Z P, et al. Microwave absorbance behavior of expanded graphite-based composite electroless plated with metallic and alloy coatings[J]. Journal of Materials Protection, 2009, 42(8):1-4.
[13]  FAN Y, YANG H, LI M, et al. Evaluation of the microwave absorption property of flake graphite[J]. Mater Chem Phys, 2009, 115(2-3):696-698.
[14]  吕淑珍, 陈宁, 王海滨,等. 掺铁氧体和石墨水泥基复合材料吸收电磁波性能[J]. 复合材料学报, 2010, 27(5):73-78. LV S Z, CHEN N, WANG H B, et al. Electromagnetic wave absorption properties of ferrite and graphite cement-based composite materials[J]. Acta Materiae Compositae Sinica, 2010, 27(5):73-78.
[15]  NI S B, LIN S M, PAN Q, et al. Hydrothermal synthesis and microwave absorption properties of Fe3O4 nanocrystals[J]. J Phys D:Appl Phys, 2009, 42(5):055004.
[16]  ZHAO R, JIA K, WEI J J, et al. Hierarchically nanostructured Fe3O4 microspheres and their novel microwave electromagnetic properties[J]. Mater Lett, 2010, 64(3):457-459.
[17]  JIA K, ZHAO R, ZHONG J C, et al. Preparation and microwave absorption properties of loose nanoscale Fe3O4 spheres[J]. J Magn Magn Mater, 2010, 322(15):2167-2171.
[18]  SNOEK J L. Dispersion and absorption in magnetic ferrites at frequencies above one Mc/s[J]. Physica, 1948, 14(4):207-217.

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