欢迎登录材料期刊网

材料期刊网

高级检索

通过吸波体内导电媒质的"孤岛"化设计,制备了单层非连续体平板吸波材料,并分析了不同炭黑含量和不同试样厚度对吸波效能的影响以及电磁波的损耗机理.发现随着CB/ABS颗粒中炭黑含量和试样厚度的增加,在8~18 GHz频段内,非连续体试样的反射损耗增加.当炭黑质量含量达到30%时,平板的反射损耗在8.5~18 GHz宽频范围内都超过-10 dB,在15~18 GHz均高于-15 dB.当试样厚度达到20 mm时,其反射损耗在8~18GHz频率范围内超过-15 dB.结果表明,非连续体试样较热压致密试样吸波效能有较大提高,是很有潜力的吸波结构.

参考文献

[1] Cao Maosheng,Zhu Jing,Yuan Jie,et al.Computation design and performance prediction towards a multi-layer microwave absorber[J].Materials and Design,2002,23:557-564.
[2] Cao Maosheng,Qin Ruru,Qiu Chengjun,Zhu Jin.Matching design and mismatching analysis towards radar absorbing coatings based on conducting plate[J].Materials and Design,2003,24:391-396.
[3] Giannakopoulou T,Kontogeorgakos A,Kordas G.Single-layer microwave absorbers:Influence of dielectric and magnetic losses on the layer thickness[J].Journal of Magnetism and Magnetic Materials,2003,263:173-181.
[4] Berenger Jean-Pierre.Three-dimensional perfectly matched layer for the absorption of electromagnetic waves[J].Journal of Computational Physics,1996,127:363-379.
[5] 吴键,李兵,张焰.超薄吸波结构材料的制备[J].中国塑料,2003,17(7):45-48.Wu Jian,Li Bing,Zhang Yan.Preparation of thin wave absorptive structural board[J].China Plast.2003,17(7):45-48.
[6] 罗洁,徐国亮,蒋刚.双层结构碳团簇微波隐身材料的吸波性能研究[J],功能材料,2002,33(4):401-402.Luo Jie,Xu Guoliang,Jiang Gang.The study of radar absorbing property of bi-layer structural carbon cluster-like microwave stealthy material[J].J Funct Mater,2002,33(4):401-402.
[7] 何燕飞,龚荣洲,何华辉.双层吸波材料吸波特性研究[J].功能材料,2004,35(4):782-785.He Yanfei,Gong Rongzhou,He Huahui.Research on absorption properties of double-layer absorbing materials[J].J Funct Mater,2004,35(4),782-785.
[8] Chambers B.Symmetrical radar absorbing structures[J].Electronics Letters,1995,31 (5):404-405.
[9] 孙占红,郭春艳.复合材料夹层吸波结构[J].航空制造技术,2002(1):38-41.Sun Zhanhong,Guo Chunyan.Microwave absorbing composite sandwich structure[J].Aeronaut Manuf Tech,2002(1):38-41.
[10] 李承祖,田成林.多层吸波与多层透波材料阻抗匹配问题研究[J].国防科技大学学报,1991,13(4):66-73.Li Chengzu,Tian Chenglin.A study on the impedance matching of multi-layer absorption materials and multi-layer transmission materials[J].National Univ Defense Tech,1991,13(4):66-73.
[11] 赵乃勤,曹婷,师春生,李家俊,郭伟凯.碳纤维(碳毡)/树脂复合吸波材料的研究[J].复合材料学报,2003,20(5):63-67.Zhao Naiqin,Cao Ting,Shi Chunsheng,Li Jiajun,Guo Weikai.Microwave absorbing properties of carbon fiber (carbon fiber felt) / epoxy composites[J].Acta Materiae Compositae Sinica,2003,20(5):63-67.
[12] Oh Jung-Hoon,Oh Kyung-Sub,Kim Chun-Gon,Hong ChangSun.Design of radar absorbing structures using glass/epoxy composite containing carbon black in X-band frequency ranges[J].Composites Part B,2004,35:49-56.
[13] Biwa S,Idekoba S,Ohno N.Wave attenuation in particulate polymer composites independent scattering-absorption analysis and comparison to measurements[J].Mechanics of Materials,2002,34:671-682.
[14] Dishovsky N,Grigorova M.On the correlation between electromagnetic waves absorption and electrical conductivity of carbon black filled polyethylenes[J].Materials Research Bulletin,2000,35:403-409.
[15] Neo C P,Varadan V K.Optimization of carbon fiber composite for microwave absorber[J].IEEE Transactions on Electromagnetic Compatibility,2004,46(1):102-106.
[16] Motojima S,Hoshiya S,Hishikawa Y.Electromagnetic wave absorption properties of carbon microcoils/PMMA composite beads in W bands[J].Carbon,2003,41:2658-2660.
[17] 王应德,冯春祥,王娟,宋永才,等.具备吸收雷达波功能的三叶型碳化硅纤维研制[J].复合材料学报,2001,18(1):42-45.Wang Yingde,Feng Chunxiang,Wang Juan,Song Yongcai,et al.Preparation of trilobal SiC fibers with radar-absorbing properties[J].Acta Materiae Compositae Sinica,2001,18(1):42-45.
[18] Meshram M R,Agrawal N K,Sinha B,Misra P S.Characterization of M-type barium hexagonal ferrite-based wide band microwave absorber[J].Journal of Magnetism and Magnetic Materials,2004,271:207-214.
[19] 毛卫民,方鲲,吴其晔,冯惠平.导电聚苯胺/羰基铁粉复合吸波材料[J].复合材料学报,2005,22(1):11-14.Mao Weimin,Fang Kun,Wu Qiye,Feng Huiping.Conductive polyaniline / iron carbonyl powder composite material for wave absorbing[J].Acta Materiae Compositae Sinica,2005,22(1):11-14.
[20] 赵东林,周万城.纳米Si/C/N复相粉体的微波吸收特性[J].复合材料学报,2002,19(2):65-70.Zhao Donglin,Zhou Wancheng.Microwave absorbing property of nano Si/C/N composite powder[J].Acta Materiae Compositae Sinica,2002,19(2):65-70.
[21] 邢丽英,蒋诗才,李斌太.含电路模拟结构吸波复合材料[J].复合材料学报,2004,21(16):27-33.Xing Liying,Jiang Shicai,Li Bintai.Microwave absorbing composite with circuit analogue[J].Acta Materiae Compositae Sinica,2004,21(16):27-33.
[22] 潘仲英.电磁波、天线与电波传播[M].北京:机械工业出版社,2003:140-141.
[23] 赵玉峰,肖瑞,赵冬平,等.电磁辐射的抑制技术[M].北京:中国铁道出版社,1980:287.
[24] 万梅香.导电高聚物的微波吸收机理的研究[J].物理学报,1992,41(6):917-923.Wan Meixiang.Studies on absorption mechanism of microwave absorbent of conducting polymers[J].Acta Physica Sinica,1992,41(6):917-923.
[25] Jin Aukong著.电磁波理论[M].吴季,等译.北京:电子工业出版社,2003:452-458.
[26] 葛副鼎,朱静,陈利民.超微颗粒吸收与散射截面[J].电子学报,1996,24(6):82-85.Ge Fuding,Zhu Jing,Chen Limin.Scattering and absorption cross sections of ultrafine particles[J].Acta Electronica Sinica,1996,24(6):82-85.
[27] Biwa S,Watanabe Y,Ohno N.Analysis of wave attenuation in unidirectional viscoelastic composites by a differential scheme[J].Composites Science and Technology,2003,63:237-247.
[28] Biwa S.Independent scattering and wave attenuation in viscoelastic composites[J].Mechanics of Materials,2001,33:635-647.
[29] Akira Ishimaru.Wave Propagation and Scattering in Random Media(Vol.2)[M].New York:Academic Press Inc,1987:253.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%