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Feature Papers in Refractories and Ceramics: Microstructure, Properties and Applications (3rd Edition)

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 March 2025 | Viewed by 475

Special Issue Editors


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Guest Editor
The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science & Technology, Wuhan, China
Interests: functional refractory; refractory castable; powder technology; porous ceramic; nanomaterials
Special Issues, Collections and Topics in MDPI journals
School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, China
Interests: refractory; structure ceramics; nanomaterials; high-temperature ceramic; powder technology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Refractories, as a class of ceramics with high fusion points, are basic materials in high-temperature industries such as metallurgy, cement/glass production and thermal power. Today, “new refractory” is being developed to not only meet the high-temperature demands of fine structure and precise regulation but also to design and tailor ceramics with special functional requirements, such as the purification of liquid steel, energy conservation, low carbon emissions and pollution reduction. In terms of eco-friendliness, long life and safety, the overall performance (e.g., mechanical strength, thermal/chemical stability, corrosion/oxidation/thermal shock resistances and workability) of “new refractory” can be greatly improved with the development of new material systems, the precise control of microstructures and use of intelligent manufacturing technology.

The “new refractory” is extending the development of design and preparation of traditional high-temperature ceramics and allows significant improvements in high-temperature industries with economic and environmental impacts. In addition, the “structure–function” relationship of these ceramics, related to their high-temperature service performance, needs to be discovered for every application.

This Special Issue focuses on the development of new refractories and novel ceramics. The potential topics concerning the microstructure, properties and applications of ceramics include but are not limited to the following:

  • functional refractory;
  • novel ceramics;
  • non-oxide ceramics;
  • high-temperature heat-insulating materials;
  • green ecological refractory;
  • refractory castable;
  • refractory raw materials;
  • high-temperature behavior;
  • refractory and inclusions.

Dr. Zhong Huang
Dr. Bin Li
Guest Editors

Manuscript Submission Information

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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

  • refractory
  • ceramics
  • non-oxide ceramics
  • castable
  • green refractory
  • raw material
  • microstructure
  • high-temperature processes and behaviors

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Published Papers (1 paper)

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Research

13 pages, 5616 KiB  
Article
Experimental Study on the Effect of Calcium Aluminate Cement Addition on the Drying and Physical Properties of Refractory Castables Containing Colloidal Silica
by Antti Piippo, Kyösti Ruotanen, Ville-Valtteri Visuri, Niko Poutiainen and Eetu-Pekka Heikkinen
Materials 2024, 17(21), 5308; https://doi.org/10.3390/ma17215308 - 31 Oct 2024
Viewed by 336
Abstract
Colloidal silica-bonded castables offer several advantages compared to traditional calcium aluminate cement (CAC)-bonded castables, including lower torque values during mixing, superior drying properties, and a lower CaO content. Nevertheless, information on the combination of CAC and colloidal silica is limited, and the effect [...] Read more.
Colloidal silica-bonded castables offer several advantages compared to traditional calcium aluminate cement (CAC)-bonded castables, including lower torque values during mixing, superior drying properties, and a lower CaO content. Nevertheless, information on the combination of CAC and colloidal silica is limited, and the effect of CAC additions on the drying properties of colloidal silica-bonded castables remains unknown. In this study, these drying properties were measured by rapidly heating 400 kg samples to 500 °C and assessing the resulting damage to each sample. Additionally, the physical and chemical properties of small-scale samples were analyzed to evaluate the impact of CAC addition. The analyzed properties included cold crushing strength (CCS), density, permanent linear change (PLC) and weight loss. The microstructure of the samples was investigated by FESEM and EDS. The results indicate that adding 1.5 wt.% increased the cold crushing strength at 20 °C, while lower CAC amounts had no noticeable effect. A mullite phase was observed in the sample without CAC, and correspondingly, anorthite was found in those with CAC additions. The samples exhibited significant differences in the drying tests, with the degrees of damage increasing with the CAC addition. Full article
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