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Solidification Effects in MAR-M246(Hf) AlloyFatigue properties degraded with crystallographic orientations greater than 10 degrees from {001} axis. Influence of solidification and heat-treatment parameters on structure and fatigue properties of nickel-based superalloy MAR-M246(Hf) described in 24-page report. Superalloys have high strength and corrosion resistance at temperatures up to 1,400 degrees C; their uses range from petrochemical equipment to marine, industrial, aircraft, and vehicular gas turbines.
Document ID
19870000230
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Johnston, M. H. (NASA Marshall Space Flight Center, Huntsville, Ala.)
Parr, R. A. (NASA Marshall Space Flight Center, Huntsville, Ala.)
Date Acquired
August 13, 2013
Publication Date
May 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 5
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MFS-27066
Accession Number
87B10230
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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