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Oxidation and Emittance Studies of Coated Mo-ReA commercially available Fe-Cr-Si coating (R512E) and a silicide coating were evaluated regarding their ability to protect Mo-Re from oxidation. The R512E coating provided very good oxidation protection at 1260 C in atmospheric air. Oxidation tests were also performed at Mach 4 in the HYMETS facility at NASA Langley Research Center where again the R512E provided good oxidation protection but for much shorter times. Emittance measurements as a function of wavelength were also obtained for the R512E coating on Mo-Re after exposure to the Mach 4 environment at 1150 C and 1230 C.
Document ID
19980000283
Acquisition Source
Langley Research Center
Document Type
Contractor Report (CR)
Authors
Glass, David E. (Analytical Services and Materials, Inc. Hampton, VA United States)
Date Acquired
September 6, 2013
Publication Date
October 1, 1997
Subject Category
Inorganic And Physical Chemistry
Report/Patent Number
AS/M-H3-97-01
NASA-CR-201753
NAS 1.26:201753
Funding Number(s)
PROJECT: RTOP 505-70-63-01
CONTRACT_GRANT: NAS1-19864
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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