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Progress in Protective Coatings for Aircraft Gas Turbines: A Review of NASA Sponsored ResearchProblems associated with protective coatings for advanced aircraft gas turbines are reviewed. Metallic coatings for preventing titanium fires in compressors are identified. Coatings for turbine section are also considered, Ductile aluminide coatings for protecting internal turbine-blade cooling passage surface are also identified. Composite modified external overlay MCrAlY coatings deposited by low-pressure plasma spraying are found to be better in surface protection capability than vapor deposited MCrAlY coatings. Thermal barrier coating (TBC), studies are presented. The design of a turbine airfoil is integrated with a TBC, and computer-aided manufacturing technology is applied.
Document ID
19820004343
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Merutka, J. P. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1981
Subject Category
Metallic Materials
Report/Patent Number
E-711
NASA-TM-82740
Report Number: E-711
Report Number: NASA-TM-82740
Meeting Information
Meeting: Ann. Conf. on Composite and Adv. Mater.
Location: Merritt Island, FL
Country: United States
Start Date: January 19, 1981
End Date: January 22, 1981
Sponsors: Am. Ceramic Soc., Inc.
Accession Number
82N12216
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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