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Novel Thermal Barrier Coating Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 1399

Special Issue Editors


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Guest Editor
CIRA, Italian Aerospace Research Centre, 81043 Capua, Italy
Interests: high temperature materials for aerospace applications; ceramic matrix composites materials; ceramic thermal protection system; re-entry & hypersonic systems and technologies; heat transfer; high speed aerodynamics; space technologies; manufacturing processes for aerospace industry
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Guest Editor
RINA – Centro Sviluppo Materiali, 00128 Rome, Italy
Interests: materials development

Special Issue Information

Dear Colleagues,

Thermal barrier coatings (TBCs) are usually applied for protecting metallic components in gas turbines for aviation and energy applications. These hot components include combustion chambers, blades, and vanes. The TBC leads to a significant reduction of heat transfer from the high temperature gas to the metal surface. Research in new chemical compositions and the development of novel deposition processes, prediction of the TBC service life and of failure modes are key aspects for the TBC production process. In parallel, the improvement of experimental capabilities in the thermal, mechanical and relevant operative environment in conjunction with numerical modelling tools allow the enhancement in TBC understanding and their extensive usage for industrial applications.

In this Special Issue, research and development enhancement in the field of TBC from the chemical composition to deposition process including experimental and numerical aspects are presented and discussed.

It is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Mario De Stefano Fumo
Dr. Mario Tului
Guest Editors

Manuscript Submission Information

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Keywords

  • thermal barrier coating
  • gas turbine
  • new chemical composition
  • deposition process
  • experimental facilities
  • numerical modelling

Published Papers (1 paper)

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Research

14 pages, 825 KiB  
Article
Shakedown Analysis and Experimental Study of Thermal Barrier Coatings
by Jian Sun, Yunhui Chen, Wanzhong Li, Hualong Chen, Hui Liu and Xiaole Cheng
Materials 2022, 15(18), 6446; https://doi.org/10.3390/ma15186446 - 16 Sep 2022
Cited by 1 | Viewed by 1037
Abstract
Interfacial stress–strain fields become complicated in thermal barrier coatings (TBCs) under cyclic thermal loading, which affects the stability and spalling failure of TBCs directly. The convex and concave interfacial structures of TBCs were approximated as a multilayer cylinder model, and an analytical method [...] Read more.
Interfacial stress–strain fields become complicated in thermal barrier coatings (TBCs) under cyclic thermal loading, which affects the stability and spalling failure of TBCs directly. The convex and concave interfacial structures of TBCs were approximated as a multilayer cylinder model, and an analytical method of TBCs for shakedown analysis was established. A series of 8-YSZ TBC specimens were prepared by the plasma spraying process, followed by isothermal and thermal shock tests. The results showed that the stability limit is significantly greater than the elastic limit, the limit for the convex model was higher than that in the concave model, the first failure occurs in the concave area, and the main failure mode of a thermal barrier coating is the appearance of cracks at the interface layer during a thermal shock test. For the coating samples prepared in this study, the stability limits were between 950 °C and 1050 °C, and the validity of the stability limit analysis model of a multilayer structure was verified. Full article
(This article belongs to the Special Issue Novel Thermal Barrier Coating Materials)
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