Abstract
Polymer-composites of polyvinylidene fluoride (PVDF) and silicon carbide (SiC) have been prepared by a simple blending and hot-moulding procedure. The enhanced absorption properties at frequencies from 2 to 18 GHz were studied in detail. The results indicate that both particle size and filler loading show a significant effect on absorption properties. For the composites with a filler loading of 5 μ m SiC 50 wt%, the maximum reflection loss of the PVDF/SiC composite can reach -25.8 dB at 9.44 GHz when the thickness is just 2.5 mm, and the frequency bandwidth less than -10 dB is from 3.5 to 18.0 GHz with an absorber thickness of 1.5-5.0 mm. The mechanism for the enhanced absorption properties was also discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 1401-1407 |
| Number of pages | 7 |
| Journal | Science of Advanced Materials |
| Volume | 9 |
| Issue number | 8 |
| DOIs | |
| State | Published - 2017 |
Keywords
- Absorption properties
- Dielectric properties
- PVDF
- Particle size
- Silicon carbide
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