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Nickel base coating alloyZirconium is added to a Ni-30 Al (beta) intermetallic alloy in the range of 0.05 w/o to 0.25 w/o. This addition is made during melting or by using metal powders. The addition of zirconium improves the cyclic oxidation resistance of the alloys at temperatures above 1100 C.
Document ID
19870005049
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Barrett, C. A. (NASA Lewis Research Center Cleveland, OH, United States)
Lowell, C. E. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 13, 2013
Publication Date
September 9, 1986
Subject Category
Metallic Materials
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-478131
Patent Number: US-PATENT-4,610,736
Patent Number: NASA-CASE-LEW-13834-1
Accession Number
87N14482
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-4,610,736|NASA-CASE-LEW-13834-1
Patent Application
US-PATENT-APPL-SN-478131

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