Ceramic thermal barrier coatings for commercial gas turbine engines |
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| Authors: | Susan Manning Meier M.S. Dinesh K. Gupta Ph.D. Keith D. Sheffler Ph.D. |
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| Affiliation: | 1. Coatings and Gas Path Seals Group of the Materials Engineering Department-CT, Pratt & Whitney, USA
2. Composites Group of the Materials Engineering Department-CT, Pratt & Whitney, USA
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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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