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Cold-Worked Inconel(R) 718 BarsCold working and double aging yield high strength without sacrifice of resistance to corrosion. Report presents data on mechanical properties and stress-corrosion resistance of triple-melted, solution-treated, work-strengthened, direct-double-aged Inconel(R) 718 alloy. Triple melting consists of vacuum induction melting, electro-slag remelting, and vacuum arm remelting. Data indicate advance in processing of large-diameter bars. New process increases yield strength without reducing the elongation, reduction of area, and grain size.
Document ID
19880000484
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Montano, J. W. (NASA Marshall Space Flight Center, Huntsville, Ala.)
Date Acquired
August 13, 2013
Publication Date
October 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 9
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MFS-27171
Accession Number
88B10484
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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