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Directional solidification of superalloysThis invention relates to the directional solidification of superalloys, in particular nickel-based superalloys, by imposition of a predetermined temperature profile in the solidification front and, depending on the desired results, a predetermined rate of advance of said solidification front, whereas castings of markedly superior fatigue resistance are produced.
Document ID
19910005149
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Schmidt, Deborah Diane (NASA Marshall Space Flight Center Huntsville, AL, United States)
Alter, Wendy Sue (NASA Marshall Space Flight Center Huntsville, AL, United States)
Hamilton, William David (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
August 14, 2013
Publication Date
October 23, 1990
Subject Category
Metallic Materials
Report/Patent Number
Patent Number: NASA-CASE-MFS-28314-1
Patent Application Number: US-PATENT-APPL-SN-404289
Patent Number: US-PATENT-4,964,453
Accession Number
91N14462
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-MFS-28314-1|US-PATENT-4,964,453
Patent Application
US-PATENT-APPL-SN-404289

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