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Smoother Turbine Blades Resist Thermal Shock BetterSurface treatment increases resistance of turbine blades to low-cycle fatigue. Smoothing removes small flaws where cracks start. Intended for blades in turbines subject to thermal shock of rapid starting. No recrystallization occurs at rocket-turbine operating temperatures.
Document ID
19910000346
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Czerniak, Paul
(United Technologies Corp.)
Longenecker, Kent
(United Technologies Corp.)
Paulus, Don
(United Technologies Corp.)
Ullman, Zane
(United Technologies Corp.)
Date Acquired
August 14, 2013
Publication Date
July 1, 1991
Publication Information
Publication: NASA Tech Briefs
Volume: 15
Issue: 7
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-28472
Accession Number
91B10346
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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