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Development and Application of High-Temperature Ceramics
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Development and Application of High-Temperature 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: closed (10 June 2023) | Viewed by 2396

Special Issue Editors

Dr. Yong Deng

E-Mail Website
Guest Editor
School of Civil Aviation, Northwestern Polytechnical University, Xi'an, China
Interests: high-temperature solid mechanics; thermal protective material; ceramic matrix composites; mechanical properties
Special Issues, Collections and Topics in MDPI journals
Dr. Ruzhuan Wang

E-Mail Website
Guest Editor
School of Metallurgy and Materials Engineering, Chongqing University of Science & Technology, Chongqing, China
Interests: advanced composite and structures; advanced composite preparation technology; high-temperature mechanical properties of materials; strengthening and toughening theory; damage and fracture mechanics and constitutive relationship; thermal protection materials and technology for ultra-high speed aircraft

Special Issue Information

Dear Colleagues,

This Special Issue of Materials concentrates on novel technologies and new findings related to high-temperature ceramics, as well as their development and application. With the rapid development of science and technology, materials are becoming more widely applied in extreme environments, especially those of high temperature. High-temperature ceramics, as high-temperature candidates with excellent potential, are becoming increasingly widely used in the thermal protection systems of hypersonic flight vehicles, the high-temperature components of engines, and the key components of nuclear fission reactors. In recent years, high-temperature ceramics have been developed rapidly. Due to the more severe service environment that high-temperature ceramics are subjected to, higher requirements are put forward for their performance. Thus, some new analytical models, as well as preparation, characterization and test methods for high-temperature ceramics have been proposed. We are delighted to invite contributions to this Special Issue on “Development and Application of  High-Temperature Ceramics”. In the collection, we hope to underline recent advances related to processing, microstructures, property characterization and optimization, and damage failure mechanism analyses for high-temperature ceramics. Consequently, research topics of interest may include, but are not limited to: processing; strengthening and toughening; property characterization; theoretical modeling; and damage failure mechanism analysis. Manuscripts in the form of full research papers, communications and review articles are all encouraged.

Dr. Yong Deng
Dr. Ruzhuan Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • high-temperature ceramics
  • strengthening and toughening
  • mechanical properties
  • high-temperature applications
  • service performance
  • damage failure mechanism analysis
  • ceramic matrix composites

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Published Papers (2 papers)

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Research

11 pages, 4151 KiB  
Article
Stress-Induced Microcracking and Fracture Characterization for Ultra-High-Temperature Ceramic Matrix Composites at High Temperatures
by Mingyu Gu, Chunyan Wu, Xingyu Chen, Yu Wan, Yumeng Liu, Shan Zhou, Hongwei Cai, Bi Jia, Ruzhuan Wang and Weiguo Li
Materials 2022, 15(20), 7074; https://doi.org/10.3390/ma15207074 - 11 Oct 2022
Cited by 2 | Viewed by 1679
Abstract
In this paper, we estimated the temperature-dependent critical inclusion size for microcracking under residual stress and applied stress for particulate-reinforced ultra-high-temperature ceramic matrix composites. The critical flaw size and applied stress for the stable growth of radial cracks under different temperatures were also [...] Read more.
In this paper, we estimated the temperature-dependent critical inclusion size for microcracking under residual stress and applied stress for particulate-reinforced ultra-high-temperature ceramic matrix composites. The critical flaw size and applied stress for the stable growth of radial cracks under different temperatures were also estimated. It was found that under a lower applied stress, the critical inclusion size was sensitive to the temperature. Under higher applied stresses, the sensitivity became smaller. For ceramic materials with pre-existing microcracks, the crack resistance could be improved by increasing the service stress when the service stress was low. As the temperature increased, the critical flaw size of the materials decreased; the applied stress first increased and then decreased. Finally, a temperature-dependent fracture strength model of composites with a pre-existing critical flaw was proposed. A good agreement was obtained between the model prediction and the experimental data. In this work, we show a method for the characterization of the effects of temperature on the fracture behavior of ceramic-based composites. Full article
(This article belongs to the Special Issue Development and Application of High-Temperature Ceramics)
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9 pages, 2930 KiB  
Article
Effects of Preparation Methods on the Microstructure and Mechanical Properties of Graphene-Reinforced Alumina Matrix Composites
by Danxia Zhang, Xiaoqian Wu, Bi Jia, Hanmei Jiang, Yin Liu, Rong Wang, Qian Yang, Huiming Wu and Chunyan Wu
Materials 2022, 15(15), 5445; https://doi.org/10.3390/ma15155445 - 8 Aug 2022
Cited by 3 | Viewed by 1915
Abstract
Recent years have witnessed a growing research interest in graphene-reinforced alumina matrix composites (Al2O3-G). In this paper, to better achieve the dispersion of graphene in composites, a ball milling method for adding raw materials step by step, called stepwise [...] Read more.
Recent years have witnessed a growing research interest in graphene-reinforced alumina matrix composites (Al2O3-G). In this paper, to better achieve the dispersion of graphene in composites, a ball milling method for adding raw materials step by step, called stepwise feeding ball milling, was proposed. The Al2O3-1.0 wt % graphene composites were prepared by this stepwise feeding ball milling and hot pressing. Then, the effects of sintering temperature and sintering pressure on the microstructure and mechanical properties of composites were studied. Results showed that the bending strength, fracture toughness and Vickers hardness of composites increased firstly and then decreased with increasing sintering temperature. The mechanical properties of composites were all at their maximum with the sintering temperature of 1550 °C. For example, the bending strength of composites reached 754.20 MPa, which was much bigger than 478.03 MPa at 1500 °C and 364.01 MPa at 1600 °C. Analysis suggested that the strength of composites was mainly related to the grain size, microflaw size and porosity. Full article
(This article belongs to the Special Issue Development and Application of High-Temperature Ceramics)
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