Fatigue and Fracture Analysis for Film Coating Used for Hot Parts

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 (30 June 2023) | Viewed by 1745

Special Issue Editors


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Guest Editor
Department of Materials Physics and Chemistry, University of Science and Technology Beijing, Beijing, China
Interests: hard coatings; protective coatings; Coatings cracking; substrate failure; fatigue crack initiation; coatings design and preparation

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Guest Editor
State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace, Xi’an Jiaotong University (XJTU), Xi’an, China
Interests: computational fracture mechanics; thermal barrier coating; fatigue life; high temperature test

Special Issue Information

Dear Colleagues,

Thermal barrier coating (TBC) systems are widely used in gas turbine engines, among others, to protect the hot parts of the system. TBC systems are composed of a TBC, underlying substrates (super alloy), a BC (bond coat connecting the TBC and super alloy) and TGO (thermally grown oxide produced at the interface between the TBC and BC). The life cycle of TBCs is relatively short due to TGO growth, the thermal expansion ratio mismatch between the different layers and cycling mechanical and thermal loads. Therefore, fatigue and fracture analysis for TBC systems significantly improves their life cycle. Thus, an updated collection of methods in this field is critical.

This Special Issue’s scope includes: (1) application of film coating; (2) application of fatigue and fracture analysis technology; (3) experimental technology to confirm fatigue and fracture; and (4) optimization method for compensating for fatigue and fracture.

We believe that the methods collected in this Special Issue could have further applications in other fields and advance the current state of research in the area of TBCs.

We look forward to receiving your contributions.

Prof. Dr. Xiaolu Pang
Prof. Dr. Xueling Fan
Guest Editors

Manuscript Submission Information

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Published Papers (1 paper)

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Review

8 pages, 1879 KiB  
Review
Thermal Barrier Coatings: An Insight into Conventional Plasma Spray and Water-Stabilized Plasma Spray
by Nafisah Mohd Rafiq and Shijie Wang
Coatings 2022, 12(12), 1916; https://doi.org/10.3390/coatings12121916 - 7 Dec 2022
Cited by 2 | Viewed by 1459
Abstract
Thermal barrier coating (TBC) systems have presented an ongoing design issue in bids to improve the lifespan of coatings. A TBC can support an extended lifespan by repairing cracks between interfacial layers during high thermal exposure while at the same time increasing coating [...] Read more.
Thermal barrier coating (TBC) systems have presented an ongoing design issue in bids to improve the lifespan of coatings. A TBC can support an extended lifespan by repairing cracks between interfacial layers during high thermal exposure while at the same time increasing coating thickness. Two deposition techniques, atmospheric plasma spray and water-stabilized plasma spray (WSP), have been distinguished to understand mechanical and thermal performance based on their contrasting torch systems and microstructural characterization. This insight paper will underline the superiority of WSP coating and the need to leverage existing technology by optimizing better deposition parameters for future fatigue-resistant TBC production. Full article
(This article belongs to the Special Issue Fatigue and Fracture Analysis for Film Coating Used for Hot Parts)
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