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Coating A Bearing With Oxygen-Compatible MaterialLaser powder-injection process developed to coat contact surfaces of shaft and hydrostatic bearing with alloy protecting against attack by liquid or gaseous oxygen. Protective alloy is INCO MA 754 (or equivalent). Forms coat uniform, dense, and hard. Has low coefficient of friction and wears negligibly. Does not ignite and burn in high-pressure oxygen. With it, underlying shaft and bearing alloy selected for strength and low thermal expansion rather than compatibility with oxygen.
Document ID
19930000527
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Funkhouser, Merle E.
(Pratt and Whitney Aircraft)
Dalzell, William J., Jr.
(Pratt and Whitney Aircraft)
Date Acquired
August 16, 2013
Publication Date
September 1, 1993
Publication Information
Publication: Laser Tech. Brief.
Volume: 1
Issue: 1
Subject Category
Fabrication Technology
Report/Patent Number
MFS-28687
Accession Number
93B10527
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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