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Desulfurization Of Gas-Turbine BladesSulfur removed from nickel-base superalloy used to make gas-turbine blades by heating alloy and simultaneously subjecting it to sputtering by directed Ar(Sup+) ions from ion gun or from glow discharge. Reduction of sulfur content of superalloy by factor of 10 increases lifetime of turbine blade made of alloy by similar factor, because stability of protective surface oxide formed during operation of turbine increased.
Document ID
19940000055
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Outlaw, Ronald A.
(NASA Langley Research Center, Hampton, VA.)
Date Acquired
August 16, 2013
Publication Date
February 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 2
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LAR-14784
Accession Number
94B10055
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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