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Tailoring Zirconia Coatings for Performance in a Marine Gas Turbine Environment FREE

[+] Author Affiliations
T. E. Strangman, J. Schienle

Allied-Signal Aerospace Company, Phoenix, AZ

Paper No. 89-GT-269, pp. V002T03A010; 6 pages
doi:10.1115/89-GT-269
From:
  • ASME 1989 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • Toronto, Ontario, Canada, June 4–8, 1989
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7914-6
  • Copyright © 1989 by ASME

abstract

Zirconia coatings represent an advanced materials technology that offers significant durability and performance benefits for marine gas turbines. Thin zirconia coatings offer superior resistance to hot corrosion attack from fuel (sulfur, vanadium and sodium) and air (sea salt) impurities present in marine engine environments. Thicker zirconia coatings reduce transient thermal stresses and heat transferred into air-cooled components. This paper describes the development of zirconia coatings, applied by the electron beam evaporation - physical vapor deposition process, that are tailored to provide superior durability in a marine engine environment.

Copyright © 1989 by ASME
This article is only available in the PDF format.

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