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Ceramic thermal barrier coatings for commercial gas turbine engines

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Abstract

Thermal barrier coatings have been used for over 20 years to extend the durability of aircraft gas turbine engine combustors. Improvements to the chemical composition of the ceramic and to the composition and microstructure of the underlying bond coat have allowed the application of thermal barrier coating technology to turbine components, with similar benefits. Recent ceramic process improvements have led to the incorporation of very durable electron beam-physical vapor deposited coatings on the most demanding of stationary and rotating turbine components.

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Author information

Authors and Affiliations

  1. Coatings and Gas Path Seals Group of the Materials Engineering Department-CT, Pratt & Whitney, USA

    Susan Manning Meier M.S. (senior materials engineer) & Dinesh K. Gupta Ph.D. (technical supervisor)

  2. Composites Group of the Materials Engineering Department-CT, Pratt & Whitney, USA

    Keith D. Sheffler Ph.D. (senior materials project engineer)

Authors
  1. Susan Manning Meier M.S.
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  2. Dinesh K. Gupta Ph.D.
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  3. Keith D. Sheffler Ph.D.
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Meier, S.M., Gupta, D.K. & Sheffler, K.D. Ceramic thermal barrier coatings for commercial gas turbine engines. JOM 43, 50–53 (1991). https://doi.org/10.1007/BF03220164

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  • DOI: https://doi.org/10.1007/BF03220164

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