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Tantalum modified ferritic iron base alloysStrong ferritic alloys of the Fe-CR-Al type containing 0.4% to 2% tantalum were developed. These alloys have improved fabricability without sacrificing high temperature strength and oxidation resistance in the 800 C (1475 F) to 1040 C (1900 F) range.
Document ID
19780010239
Acquisition Source
Legacy CDMS
Document Type
Other - Patent
Authors
Oldrieve, R. E. (NASA Lewis Research Center Cleveland, OH, United States)
Blankenship, C. P. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
October 25, 1977
Subject Category
Metallic Materials
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-651009
Patent Number: NASA-CASE-LEW-12095-1
Patent Number: US-PATENT-4,055,416
Accession Number
78N18182
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-LEW-12095-1|US-PATENT-4,055,416
Patent Application
US-PATENT-APPL-SN-651009

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