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Processing and Microstructure Design of Advanced Ceramics

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced and Functional Ceramics and Glasses".

Deadline for manuscript submissions: 20 October 2025 | Viewed by 396

Special Issue Editors

School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
Interests: pore structure of ceramics; novel processing of ceramics; nanofibrous aerogels; multifunctional fiber-based materials; ceramic membrane

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Guest Editor
1. School of Civil and Engineering, Hebei University of Architecture, Zhangjiakou 075000, China
2. Hebei Key Laboratory of Diagnosis, Reconstruction and Anti-Disaster of Civil Engineering, Zhangjiakou 075000, China
Interests: principles and methods for improving the thermoelectric performance of SiC: a potential high-temperature thermoelectric material

Special Issue Information

Dear Colleagues,

Ceramics are important structural materials used in a wide range of engineering applications in extreme environments, e.g., high-temperature filtration, separation, catalysts, and aerospace. The properties and performance of ceramic products are strongly dependent on the microstructure, such as pore structure, crystalline size and orientation, grain boundary, etc., while the processing methodology is critically important for optimizing their microstructure and achieving an advanced design, thus contributing to the regulation of mechanical, magnetic, optic, electrical, and thermal properties. Therefore, the correlation between the processing method, microstructure, and performance should be thoroughly investigated and understood.

This Special Issue aims to report experimental, theoretical, and numerical studies that could result in the improvement of mechanical, magnetic, optic, electrical, and thermal properties and discuss the correlation between processing, microstructure, and performance.

Dr. Bo Ren
Dr. Haiyang Chen
Guest Editors

Manuscript Submission Information

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Keywords

  • ceramics
  • engineering application
  • microstructure
  • mechanical properties
  • thermal properties

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Published Papers (1 paper)

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Research

22 pages, 4383 KiB  
Article
High-Yield Precursor-Derived Si-O Ceramics: Processing and Performance
by Xia Zhang, Bo Xiao, Yongzhao Hou and Guangwu Wen
Materials 2025, 18(15), 3666; https://doi.org/10.3390/ma18153666 - 4 Aug 2025
Viewed by 273
Abstract
The precursor-derived ceramic route is recognized as an advanced and efficient technique for fabricating ceramic matrix composites, particularly suitable for the development and microstructural tailoring of continuous fiber-reinforced ceramic matrix composites. In this work, octamethylcyclotetrasiloxane and tetravinylcyclotetrasiloxane were employed as monomers to synthesize [...] Read more.
The precursor-derived ceramic route is recognized as an advanced and efficient technique for fabricating ceramic matrix composites, particularly suitable for the development and microstructural tailoring of continuous fiber-reinforced ceramic matrix composites. In this work, octamethylcyclotetrasiloxane and tetravinylcyclotetrasiloxane were employed as monomers to synthesize a branched siloxane via ring-opening polymerization. A subsequent hydrosilylation reaction led to the formation of polyvinylsiloxane with a three-dimensional crosslinked structure. The precursor exhibited excellent fluidity, adjustable viscosity, and superior thermosetting characteristics, enabling efficient impregnation and densification of reinforcements through the polymer infiltration and pyrolysis process. Upon pyrolysis, the polyvinylsiloxane gradually converted from an organic polymer to an amorphous inorganic ceramic phase, yielding silicon oxycarbide ceramics with a high ceramic yield of 81.3%. Elemental analysis indicated that the resulting ceramic mainly comprised silicon and oxygen, with a low carbon content. Furthermore, the material demonstrated a stable dielectric constant (~2.5) and low dielectric loss (<0.01), which are beneficial for enhanced thermal stability and dielectric performance. These findings offer a promising precursor system and process reference for the low-cost production of high-performance, multifunctional ceramic matrix composites with strong potential for engineering applications. Full article
(This article belongs to the Special Issue Processing and Microstructure Design of Advanced Ceramics)
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