Preparation of graphene-carbonyl iron powder wire and analysis of its wave absorption performance

YE Xicong; OUYANG Bin; YANG Chao; HU Zhenglang; HE Enyi; WU Haihua

doi:10.13801/j.cnki.fhclxb.20210819.008

Volume 39 Issue 7

Jul. 2022

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YE Xicong, OUYANG Bin, YANG Chao, et al. Preparation of graphene-carbonyl iron powder wire and analysis of its wave absorption performance[J]. Acta Materiae Compositae Sinica, 2022, 39(7): 3292-3302. doi: 10.13801/j.cnki.fhclxb.20210819.008

Citation:

YE Xicong, OUYANG Bin, YANG Chao, et al. Preparation of graphene-carbonyl iron powder wire and analysis of its wave absorption performance[J]. Acta Materiae Compositae Sinica, 2022, 39(7): 3292-3302. doi: 10.13801/j.cnki.fhclxb.20210819.008

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Preparation of graphene-carbonyl iron powder wire and analysis of its wave absorption performance

doi: 10.13801/j.cnki.fhclxb.20210819.008

YE Xicong^{1, 2
,
,},
OUYANG Bin²,
YANG Chao²,
HU Zhenglang²,
HE Enyi^{1, 2},
WU Haihua^{1, 2}

1.
Graphite Additive Manufacturing Technology and Equipment Hubei Engineering Research Center, China Three Gorges University, Yichang 443002, China
2.
Institute of Machinery and Power, China Three Gorges University, Yichang 443002, China

Received Date: 2021-06-21
Accepted Date: 2021-08-12
Rev Recd Date: 2021-07-09

Available Online: 2021-08-20

Publish Date: 2022-07-30

Abstract

Abstract

In order to improve the microwave absorbing properties of single magnetic absorbing material, polylactic acid (PLA) was used as the matrix material, and the magnetic material carbonyl iron powder (CIP) as well as reduced graphene oxide (RGO) were compounded to prepare RGO and CIP/PLA composites. The structure and morphology of the composites were characterized by TG, XRD and other testing methods. Meanwhile, the electromagnetic parameters of the composites were measured by vector network analyzer, and the microwave absorbing properties of different thickness were calculated. The influence of RGO addition on the microwave absorbing properties of RGO and CIP/PLA composites was studied. The results show that when the graphene content is 4wt% and the carbonyl iron powder content is 20wt%, the RGO-CIP/PLA composite has the best absorbing performance. When the absorption thickness is 3 mm, the minimum R_L value of −27.25 dB is reached, and at the same time its absorption bandwidth is 2.922 GHz (7.227-10.149 GHz). At the same time, as its absorption thickness increases, the effective absorption bandwidth (R_L<−10 dB) can move to a lower frequency band.
- composite materials,
- reduced graphene oxide,
- carbonyl iron powder,
- absorbing properties,
- electromagnetic parameters
Long Abstrsct
Innovation Points

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References(29)

References

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