Study on Properties and Mechanism of Kaolin Assisted Preparation of SiC Ceramics by Microwave Heating
Source abstract
Abstract
Kaolin is used for the microwave‐assisted synthesis of silicon carbide ceramics in this study. The mechanisms of microwave reaction sintering are explored. Composition and structure of materials are analyzed and investigated. The flexural strength, reaction bonding behavior, open porosity, and bulk density of the porous ceramic materials are also investigated as a function of the sintering temperature. It is observed that with the elevating sintering temperature, the degree of interparticle bonding also increases, leading to densification of the ceramics and well‐formed sintering necks. Under the conditions of 1200 °C insulation for 20 min, the bulk density and apparent porosity of the composite material reached 1.93 g cm−3 and 34.4%, respectively. The flexural strength at room temperature is 70 ± 0.9 MPa. This work provides significant theoretical insights and practical applications for the development of high‐performance composite silicon carbide ceramic materials sintered at lowtemperature.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Microwave-Assisted Synthesis and Applications · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Henan Key Laboratory of Aeronautical Materials and Application Technology Henan International Joint Laboratory of Aeronautical Function Materials and Advanced Processing Technology School of Material Science and Engineering Zhengzhou University of Aeronautics Zhengzhou Henan 450046 P. R. China
Henan Key Laboratory of Green Building Materials Manufacturing and Intelligent Equipment Luoyang Institute of Science and Technology Luoyang Henan 471023 China
Department of Materials Science and Engineering CAS Key Laboratory of Materials for Energy Conversion University of Science and Technology of China Hefei Anhui 230026 P. R. China
Funding
National Natural Science Foundation of China · Natural Science Foundation of Henan Province
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