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Coatings
Special Issues
Advanced Ceramic Materials and Applications
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Advanced Ceramic Materials and Applications

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Ceramic Coatings and Engineering Technology".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 2767

Special Issue Editors

Dr. Subir Ghosh

E-Mail Website
Guest Editor
School of Aerospace, Mechanical and Manufacturing Engineering, RMIT University, Melbourne, Australia
Interests: biotribology; artificial joints; biomaterials; surface coating; surface modification
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Sylvester Abanteriba

E-Mail Website
Guest Editor
School of Aerospace, Mechanical and Manufacturing Engineering, RMIT University, Melbourne, Australia
Interests: propulsion systems; tribology; biomechanics; alternative fuels; coatings
Special Issues, Collections and Topics in MDPI journals
Dr. Bingqiang Han

E-Mail Website
Guest Editor
School of Materials and Metallurgy, Wuhan University of Science and technology, Wuhan 430081, China
Interests: advanced ceramics; refractories

Special Issue Information

Dear Colleagues,

We welcome contributions to the Special Issue on Advanced Ceramic Coatings and Applications for the journal Coatings (ISSN 2079-6412). Contributions should cover general aspects of this topic—for example, coating production concepts and the latest methods of application resulting in component life extension; modeling of coating failure mechanisms; efficacy of protection and coatings and coatings’ integrity; and evaluation of mechanical and thermal properties of coating materials. In summary, we invite papers that cover both practical activity and theoretical modeling.

All manuscripts will be peer reviewed, and those accepted will be published immediately online in an ongoing fashion in this Special Issue.

Dr. Subir Ghosh
Prof. Dr. Sylvester Abanteriba
Dr. Bingqiang Han
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. Coatings is an international peer-reviewed open access monthly 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.

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (1 paper)

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Research

21 pages, 8892 KiB  
Article
Simulation of 1500 °C Thermal Shock for Novel Structural Thermal/Environmental Barrier Coatings System
by Kaibin Li, Weize Wang, Ting Yang and Yangguang Liu
Coatings 2023, 13(1), 96; https://doi.org/10.3390/coatings13010096 - 5 Jan 2023
Cited by 4 | Viewed by 2064
Abstract
In recent years, with the development of SiC composites in aero-engine hot-end components, environmental barrier coatings (EBCs) have received extensive attention. Moreover, in order to elevate the service temperature, it is a developing trend to apply thermal barrier coatings (TBCs) with low thermal [...] Read more.
In recent years, with the development of SiC composites in aero-engine hot-end components, environmental barrier coatings (EBCs) have received extensive attention. Moreover, in order to elevate the service temperature, it is a developing trend to apply thermal barrier coatings (TBCs) with low thermal conductivity on EBCs coating system to form thermal/environmental barrier coatings (T/EBCs). However, the combination of high coefficient of thermal expansion (CTE) of TBCs with low CTE of EBCs often leads to premature failure due to excessive thermal expansion mismatch stress. However, a novel structural thermal barrier coating with embedded micro-agglomerated particles (EMAP TBC) by using atmospheric plasma spraying (APS) process has brought hope to solve this problem due to its low elastic modulus. Therefore, in this study, an innovative EMAP Gd2Zr2O7 T/EBCs coating system (EMAP Gd2Zr2O7/Yb2Si2O7/Si) under 1500 °C flame thermal shock was simulated and systematically studied on the SiC substrate. The results showed that the EMAP Gd2Zr2O7 T/EBCs coating system has much lower thermal stress than the conventional Gd2Zr2O7/Yb2Si2O7/Si T/EBCs coating system. Furthermore, when the thickness of each layer of the EMAP Gd2Zr2O7 T/EBCs coating system varies, to meet the thermal insulation requirements of Yb2Si2O7 layer and reduce the thermal shock stress, the thickness of the EMAP Gd2Zr2O7 layer is recommend being about 100 μm. Meanwhile, the thicknesses of Yb2Si2O7 and Si layers can be set as large as needed. In addition, with the increase in Yb2SiO5 doping content in the Yb2Si2O7 intermediate layer, the EMAP Gd2Zr2O7 T/EBCs coating system suffers a greater risk of spalling failure due to the increase in thermal stress. Full article
(This article belongs to the Special Issue Advanced Ceramic Materials and Applications)
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