分别选用Fe3O4、Co2O3和NiO粉末与导电炭黑(V7-CB)复配,制得了3类复合吸波剂.对3类产物的吸波性能进行了综合研究,结果表明,在所选用的3种磁性氧化物中,Fe3O4是改善V7-CB吸波性能的最佳材料.在此基础上,进一步研究了复合工艺对V7-CB/Fe3O4复合吸波剂的物相组成、微观形貌和吸波性能的影响,结果表明,与手工复合工艺相比,球磨复合工艺可显著提升Fe3O4与V7-CB的复合均匀性及复合产物的吸波效能.
参考文献
| [1] | Phang SW;Hino T;Abdullah MH;Kuramoto N .Applications of polyaniline doubly doped with p-toluene sulphonic acid and dichloroacetic acid as microwave absorbing and shielding materials[J].Materials Chemistry and Physics,2007(2/3):327-335. |
| [2] | Chakravarty S.;Mittra R.;Williams N.R. .Application of a microgenetic algorithm (MGA) to the design ofbroadband microwave absorbers using multiple frequency selective surfacescreens buried in dielectrics[J].IEEE Transactions on Antennas and Propagation,2002(3):284-296. |
| [3] | Soto-Oviedo M A;Araujo O;Faez R et al.Antistatic coating and electromagnetic shielding properties of a hybrid based on polyaniline/organoclay[J].Synthetic Metals,2006,156(18-20):1249. |
| [4] | N. Dishovsky;M. Grigorova .On the correlation between electromagnetic waves absorption and electrical conductivity of carbon black filled polyethylenes[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2000(3):403-409. |
| [5] | 陈晓东,王桂芹,段玉平,刘顺华,温斌.钛酸钡化学原位改性炭黑粒子的电磁性能[J].功能材料,2006(09):1404-1407. |
| [6] | Wang, M;Duan, YP;Liu, SH;Li, XG;Ji, ZJ .Absorption properties of carbonyl-iron/carbon black double-layer microwave absorbers[J].Journal of Magnetism and Magnetic Materials,2009(20):3442-3446. |
| [7] | Wang G.Q;Chen X D;Duan Y P et al.Electromagnetic properties of carbon black and barium titanate composite materials[J].Journal of Alloys and Compounds,2008,454(1-2):340. |
| [8] | 范景莲,马运柱,刘涛,艾宪平.高能球磨制备纳米WC-8Co复合粉末[J].中国钨业,2004(04):22-25. |
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：
-
10%
-
20%
-
30%
-
40%
-
50%