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Advanced ceramic material for high temperature turbine tip sealsForty-one material systems were evaluated for potential use in turbine blade tip seal applications at 1370 C. Both ceramic blade tip inserts and abradable ceramic tip shoes were tested. Hot gas erosion, impact resistance, thermal stability, and dynamic rub performance were the criteria used in rating the various materials. Silicon carbide and silicon nitride were used, both as blade tips and abradables. The blade tip inserts were fabricated by hot pressing while low density and honeycomb abradables were sintered or reaction bonded.
Document ID
19800013838
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Vogan, J. W. (Solar Turbines Inc. San Diego, CA, United States)
Solomon, N. G. (Solar Turbines Inc. San Diego, CA, United States)
Stetson, A. R. (Solar Turbines Inc. San Diego, CA, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1980
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
SR79-R-4482-43
NASA-CR-159774
RDR-1831-43
Accession Number
80N22325
Funding Number(s)
CONTRACT_GRANT: NAS3-20081
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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