| 1 | Spray granulation of Fe and C nanoparticles and their impedance match for microwave absorption显示文摘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 d B 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). | H.Huang Y.Gao C.F.Fang A.M.Wu X.L.Dong B.S.Kim J.H.Byun G.F.Zhang D.Y.Zhou | 2018 | Journal of Materials Science & Technology2018，34，3： | 2 |
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