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The Effects of Environmental Contaminants on Industrial Gas Turbine Thermal Barrier Coatings FREE

[+] Author Affiliations
H. E. Eaton, N. S. Bornstein

United Technologies Research Center, East Hartford, CT

J. T. DeMasi-Marcin

Pratt & Whitney Aircraft Company, East Hartford, CT

Paper No. 96-GT-283, pp. V005T13A007; 11 pages
doi:10.1115/96-GT-283
From:
  • ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General
  • Birmingham, UK, June 10–13, 1996
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7876-7
  • Copyright © 1996 by ASME

abstract

Thermal barrier coatings, (TBCs) play a crucial role in the performance of advanced aircraft gas turbine engines that power the commercial and military fleets. The same technology is currently being applied to the industrial gas turbines. However the task is more challenging. The environment of the industrial gas turbine is far more demanding. Studies are in progress delineating the relationships between time, temperature and the sinterability of candidate ceramics for use in industrial gas turbine engines. Typical sintering aids include the oxides and alkali salts of silicon, iron, magnesium and calcium. Other experiments focus on the role of the alkali compounds as they affect the mechanical and chemical properties of candidate materials.

Copyright © 1996 by ASME
This article is only available in the PDF format.

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