Multi-layer TiC nanosheets-decorated TiB2 plates for enhanced microwave absorption

Searching for microwave absorbers with excellent microwave absorption performance in harsh environments is still a huge challenge. Here, a novel hybrid of TiB2 plates decorated by multi-layer TiC nanosheets (TiB2/TiC hybrids) was fabricated via a molten salt-mediated carbothermal reduction. Due to t...

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Bibliographic Details
Published in:Ceramics international 2022-03, Vol.48 (6), p.8761-8765
Main Authors: Feng, Bokai, Shen, Sunyi, Song, Shaolei, Wang, Li, Li, Xiongjie, Yang, Zhigang
Format: Article
Language:English
Subjects:
Microwave absorption
Polarization
Titanium boride
Titanium carbide
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Summary:Searching for microwave absorbers with excellent microwave absorption performance in harsh environments is still a huge challenge. Here, a novel hybrid of TiB2 plates decorated by multi-layer TiC nanosheets (TiB2/TiC hybrids) was fabricated via a molten salt-mediated carbothermal reduction. Due to the increase of the reflective interface, the TiB2/TiC hybrids exhibited improved microwave absorption performance with a minimum reflection loss (RLmin) value of −52.5 dB (13.1 GHz, 5.2 mm). The reasonable dielectric loss, higher dipole moments and interface effect whereas brought by the three-dimensional multilayer network formed by TiC nanosheets together promoted the improvement of the microwave absorption capacity of TiB2/TiC hybrids.
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2022.01.084