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Author:

贾治勇 (贾治勇.) | 白树林 (白树林.) | 周美玲 (周美玲.)

Abstract:

对富铁空心微珠的微波吸收性能进行了实验研究.富铁空心微珠的粒径、磁选分级性能、厚度、氮化改型等与材料的吸波性能密切相关.实验结果表明,磁选磁场强度为500GS,粒径D=100~325目的富铁空心微珠,60%Wt含量、20mm厚度的试样,在8~18 GHz频率范围内最大吸收值在Ku波段为-18.99 dB,对应频率为18 GHz,其大于5 dB的频带宽度为8 GHz.对富铁空心微珠氮化可改善其电磁性能.在1050℃氮化的富铁空心微珠,60%Wt含量、10 mm厚时,其吸波性能在2~18 GHz频率范围内最大吸收值在X波段为-12.91 dB,对应频率为8.4GHz,大于5 dB的有效带宽达到7.2 GHz.

Keyword:

富铁空心微珠 吸波性能 复合材料

Author Community:

  • [ 1 ] [贾治勇]北京大学
  • [ 2 ] [白树林]北京大学
  • [ 3 ] [周美玲]北京工业大学

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Source :

防护工程

Year: 2010

Issue: 6

Volume: 32

Page: 29-34

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 1

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