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Fatigue-resistant nickel-base superalloysNew γ' strengthened nickel-base superalloy compositions are described that, when forged and properly heat treated, demonstrate superior resistance to fatigue crack growth accompanied by very good high temperature properties. Parts can be fabricated (e.g., using conventional cast and wrought processing) from these alloys without encountering difficulty in forging.
Document ID
19910021954
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Keh-Minn Chang (General Electric (United States) Boston, United States)
Date Acquired
August 14, 2013
Publication Date
August 11, 1987
Publication Information
Publisher: United States Patent and Trademark Office
Subject Category
Metallic Materials
Report/Patent Number
Patent Number: INT-PATENT-1-253-363
Accession Number
91N31268
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
4,685,977 | CA 1253363
Patent Application
677,449 | CA 502406

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