Processing and design methodologies for advanced and novel thermal barrier coatings for engineering applications--颗粒学报PARTICUOLOGY

Kumar, V., & Kandasubramanian, B. (2016). Processing and design methodologies for advanced and novel thermal barrier coatings for engineering applications. Particuology, 27, 1-28. https://doi.org/10.1016/j.partic.2016.01.007

Processing and design methodologies for advanced and novel thermal barrier coatings for engineering applications

Vijay Kumar, Balasubramanian Kandasubramanian ^*

Department of Materials Engineering, Defence Institute of Advanced Technology, Girinagar, Pune 411025, India

10.1016/j.partic.2016.01.007

Volume 27, August 2016, Pages 1-28

Received 14 June 2015, Revised 19 January 2016, Accepted 30 January 2016, Available online 7 May 2016, Version of Record 14 June 2016.

E-mail: balask@diat.ac.in; meetkbs@gmail.com

Highlights

• Thermal barrier coating (TBC) processing methods and advances in deposition processes.

• TBC design methodologies to address functional requirements.

• Correlation of thermal conductivity and microstructure.

• TBC research: trends, challenges and future directions.

Abstract

Thermal barrier coating is a crucial thermal insulation technology that enables the underlying substrate to operate near or above its melting temperature. Such coatings bolster engineers’ perpetual desire to increase the power and efficiency of gas turbine engines through increasing the turbine inlet temperature. Advances in recent years have made them suitable for wider engineering and defense applications, and hence they are currently attracting considerable attention. A thermal barrier coating system is itself dynamic; its components undergo recurrent changes in their composition, microstructure and crystalline phases during its service life. Nevertheless, the performance of multi-layered and multi-material systems tailored for high temperature applications is closely linked to the deposition process. The process improvements achieved so far are the outcome of increased understanding of the relationship between the coating morphology and the operating service conditions, as well as developments in characterization techniques. This article presents a comprehensive review of various processing techniques and design methodologies for thermal barrier coatings. The emphasis of this review is on the particle technology; the interrelationship between particle preparation, modification and the resulting properties, to assist developments in advanced and novel thermal barrier coatings for engineering applications.

Graphical abstract

Keywords

Thermal barrier coating; Air plasma spray; Electron beam-physical vapor deposition; Thermally grown oxide; Yttria-stabilized zirconia; Thermal conductivity

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