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周佳,朱正吼,赵辉.FeCuNbSiB非晶带材/环氧树脂复合材料界面设计及其吸波性能[J].稀有金属材料与工程(英文),2019,47(3):797~802.[Zhou Jia,Zhu Zhenghou and Zhao Hui.The interface design and wave absorbing properties of FeCuNbSiB amorphous alloy strips/Epoxy resin composites[J].Rare Metal Materials and Engineering,2019,47(3):797~802.]
The interface design and wave absorbing properties of FeCuNbSiB amorphous alloy strips/Epoxy resin composites
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Received:September 29, 2017  Revised:December 08, 2017
DOI:
Key words: FeCuNbSiB amorphous alloy strips  Interface  Surface chemical modification  Wave absorbing properties.
Foundation item:国家自然科学基金项目(No. 61361008),973计划前期研究课题(NO.2010CB635112),江西省研究生创新专项资金项目 (No. YC2016-B006)
Author NameAffiliation
Zhou Jia,Zhu Zhenghou and Zhao Hui  
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Abstract:
      In this paper, aiming at the problem of non-infiltration between FeCuNbSiB amorphous alloy strips and epoxy resin matrix, the interface layer of Cu0.75Fe2.25O4 and Fe3O4 phases, which the thickness was about 5μm~10μm, was successfully obtained on the both sides of FeCuNbSiB amorphous alloy strips by surface chemical modification. The interface layer has high bonding strength with FeCuNbSiB amorphous alloy strips, and good infiltration with epoxy resin matrix. The epoxy resin matrix composites using the amorphous alloy strips as reinforcing materials were prepared according to FSS grid design, the electromagnetic wave absorption peaks of composite board appeared in the frequency range of 13-18GHz and the value of reflectivity R was between -5dB and -10dB.The value of absorption peaks kept constant but absorption peak frequency bands shifted to lower frequency along with increasing the layer number of FeCuNbSiB strips. This kind of character can be used to modify radar absorbing properties of other composites and broaden absorption band.