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Eutectic-Free Superalloy Made By Directional SolidificationBy suitable control of thermal conditions in directional-solidification process, supperalloy structural and machine components (e.g., turbine blades) cast with microstructures enhancing resistance to fatigue. Specific version of process and thermal conditions chosen to reduce micro-segregation during solidification and to minimize or eliminate script carbide and eutectic-phase inclusions, which are brittle inclusions found to decrease resistance to fatigue.
Document ID
19950065593
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Schmidt, Deborah Dianne
(NASA Marshall Space Flight Center, Huntsville, AL.)
Date Acquired
August 17, 2013
Publication Date
September 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 9
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MFS-31030
Accession Number
95B10434
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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