journal article·2020-12

The microwave electromagnetic and absorption properties of Fe-Si-B-P-C glassy powders under chemical corrosion

Huaijun Sun, Linfeng Jin, Hao Zheng, Guoxiu Tong

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Abstract

Abstract The industrial pure Fe-Si-B-P-C metallic glass powders (MGPs) were found to have excellent microwave absorption properties in this paper. The effects of chemical corrosion on the electromagnetic (EM) parameters and absorption properties were investigated in great detail. After chemical corrosion with hydrochloric acid solution, a highly porous structure appeared on the surface of powders, which increased the interfacial polarization and permittivity of the MGPs. The MGPs exhibited good impedance matching and strong microwave absorption properties. When the corrosion time was 10 min at pH 3.0, the minimum reflection loss (RL) value of composites reached -68.9 dB at 8.88 GHz, where the thickness of the composites was only 2.6 mm.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Electromagnetic wave absorption materials · Advanced Antenna and Metasurface Technologies · Metamaterials and Metasurfaces Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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