Highly electromagnetic transparent ceramic composite made of boron nitride nanotubes and silicon oxynitride via perhydropolysilazane infiltration method.

Ni Yang, Shaofan Xu, Chengying Xu

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Article in Scientific reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 citing paper in PubMed.

Perhydropolysilazane as a Precursor for Solution-Processed Silicon-Based Materials: Synthesis, Conversion Routes and Mechanisms, Properties, and Applications.Polymers · 2026
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5 · Who and what money

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3 authors.

Ni YangDepartment of Mechanical and Aerospace Engineering, NC State University, Raleigh, NC, 27607, USA.

Shaofan XuDepartment of Mechanical and Aerospace Engineering, NC State University, Raleigh, NC, 27607, USA.

Chengying XuDepartment of Mechanical and Aerospace Engineering, NC State University, Raleigh, NC, 27607, USA. cheryl.xu@ncsu.edu.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

With the rapid development of electromagnetic (EM) wave circuit devices, high-performance wave-transparent materials with various functions have attracted great attention. Ceramic material is a promising candidate to be applied in harsh environments because of its chemical and corrosion resistance. In this work, a polymer-derived route was adopted to synthesize ceramic composite at room temperature. The composite is made of perhydropolysilazane-derived SiON ceramic and reinforced with boron nitride nanotubes (BNNTs) sheets. With the addition of SiON ceramic materials, the resultant sample showed an excellent hydrophobicity with a contact angle of 135-146.9°. More importantly, superior thermal stability at 1600 °C in the oxygen-containing atmosphere was observed for the fabricated SiON/BNNTs sample, without any shape change. The electromagnetic transparency of the SiON/BNNTs was studied through the waveguide method. The prepared SiON/BNNTs sample has an average real permittivity between 1.52 and 1.55 and an average loss tangent value in the range of 0.0074-0.0266, at the frequency range of 26.5-40 GHz. The effect of thickness on the wave transparency of SiON/BNNTs samples is also discussed. To summarize the aforementioned superior characterization and measurement results, the presented SiON/BNNTs material system has a great potential to be used as EM transparent materials in harsh conditions.

Identifiers

PMID35999344

DOI10.1038/s41598-022-18563-4

PMCPMC9399241

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