Current position: Key Laboratory of Energy Materials and Devices - Research Results - Paper
[24]. Huang H*; Gao Y; Fang CF; Wu AM; Dong XL; Kim BS; Byun JH; Zhang GF; Zhou DY, Spray granulation of Fe and C nanoparticles and their impedance match for microwave absorption, Journal of Materlais Science & Technology, 2018, 34(3): 496-502.
Release time:2023-06-19 Hits:

Abstract: The microwave absorbents of Fe and C nanoparticles as magnetic loss and dielectric loss material respectively were composited with the polyvinyl alcohol (PVA) as binder by spray granulation method. The electromagnetic parameters of Fe and C composite particles were analyzed by vector network. The complex permittivity and magnetic permeability of Fe and C composite particles matched well with increasing C nanoparticle content, and then the microwave loss property was improved. A minimum reflection loss (RL) of -42.7 dB at 3.68 GHz for a composite with 4.6 mm in thickness can be obtained when the content ratio of the C nanoparticles, the modified Fe nanoparticles and the PVA is 21:49:30 (Sample 3).


https://doi.org/10.1016/j.jmst.2017.01.010


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