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Processing, Characterization and Applications of Ceramic Matrix Composites

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 2024 | Viewed by 686

Special Issue Editors


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Guest Editor
Institute of Ceramics and Glass (ICV), Consejo Superior de Investigaciones Científicas (CSIC), 28049 Madrid, Spain
Interests: ceramic processing; suspensions; shaping of ceramics; chemical synthesis; gelcasting; tape casting; electrophoretic deposition

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Guest Editor
Grupo de Biomateriais e Materiais Nanoestruturados, Laboratório de Cerâmica Técnica (CerTec), Programa de Pós-graduação em Ciência e Engenharia de Materiais, Universidade do Extremo Sul Catarinense (UNESC), Criciúma 88806-000, Brazil
Interests: ceramic materials; glassceramics; ceramic processing; waste valorization

Special Issue Information

Dear Colleagues,

Ceramic–matrix composites are ceramic-based materials reinforced with a secondary reinforcing phase that can be other ceramics, fibers, a carbonaceous material, polymer or metal, which create interphases providing non-brittle fracture. CMCs can combine properties of the components providing much better capabilities and performance than the corresponding single constituents. Consequently, they have applications in multiple domains, such as aerospace propulsion, aircraft and automobile components, high-temperature heat exchange, nuclear technology, and many others.

In this context, new solutions for sustainable growth of ceramic–matrix components which are more environmentally friendly are increasingly required. This Special Issue is devoted to all aspects involved in the processing, characterization and applications of ceramic–matrix composites, and therefore, papers encouraging novel aspects of the different steps of their manufacture, characterization, including microstructure, properties and applications are welcome. Contributors are required to submit original, high-quality papers on their current progress in fundamental and applied science aspects related to CMCs and, in particular, contributions focusing on the relationships between processing, microstructure and properties facing the final application and in-service behavior.

Prof. Dr. Rodrigo Moreno
Prof. Dr. Oscar Rubem Klegues Montedo
Guest Editors

Manuscript Submission Information

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Keywords

  • ceramic–matrix composites
  • fibers
  • processing
  • ceramics
  • coatings
  • laminates
  • structural applications
  • thermal barrier coatings

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Published Papers (1 paper)

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Research

14 pages, 5108 KiB  
Article
Friction and Wear Behavior of Double-Walled Carbon Nanotube-Yttria-Stabilized ZrO2 Nanocomposites Prepared by Spark Plasma Sintering
by Anne Kasperski, Dalya Alkattan, Viviane Turq, Claude Estournès, Christophe Laurent and Alicia Weibel
Materials 2024, 17(15), 3824; https://doi.org/10.3390/ma17153824 - 2 Aug 2024
Viewed by 395
Abstract
Double-walled carbon nanotube-yttria-stabilized ZrO2 nanocomposites are prepared by a mixing route followed by Spark Plasma Sintering. The double-walled carbon nanotubes (DWCNTs) have been previously subjected to a covalent functionalization. The nanocomposites present a high densification and show a homogenous dispersion of DWCNTs [...] Read more.
Double-walled carbon nanotube-yttria-stabilized ZrO2 nanocomposites are prepared by a mixing route followed by Spark Plasma Sintering. The double-walled carbon nanotubes (DWCNTs) have been previously subjected to a covalent functionalization. The nanocomposites present a high densification and show a homogenous dispersion of DWCNTs into a matrix about 100 nm in size. The DWCNTs are well distributed at the matrix grain boundaries but form larger bundles upon the increase in carbon content. The Vickers microhardness of the nanocomposites decreases regularly upon the increase in carbon content. Incorporation of carbon at contents higher than 2 wt.% results in significantly lower friction coefficients, both against alumina and steel balls, possibly because of the elastic deformation of the DWCNTs at the surface of the sample. Their presence also favors a reduction of the steel/ceramic contacts and reduces the wear of the steel ball at high loads. DWCNTs improve wear resistance and reduce friction without incurring any severe damage, contrary to multi-walled carbon nanotubes. Full article
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