Evaluation of Simple Aluminide and Platinum Modified Aluminide Coatings on High Pressure Turbine Blades After Factory Engine Testing PUBLIC ACCESS

[+] Author Affiliations
Jeffrey A. Conner, David A. Moore, Roger D. Wustman

GE Aircraft Engines, Cincinnati, OH

Paper No. 91-GT-379, pp. V005T12A013; 8 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7902-3
  • Copyright © 1991 by ASME


This paper presents results from recent factory engine testing of simple aluminide coatings produced using pack cementation processes and platinum modified aluminide coatings produced using both pack cementation and chemical vapor deposition processes. These coatings were evaluated on DS nickel base superalloy high pressure turbine blades in a commercial high bypass turbofan engine. Operating conditions were such that turbine inlet air contained up to 3 ppb of sodium. Details of the factory engine testing, coating selection and application, and environmental protection provided by the coatings are highlighted. Future testing plans are also presented.

Copyright © 1991 by ASME
This article is only available in the PDF format.



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