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Evaluation of an advanced directionally solidified gamma/gamma'-alpha Mo eutectic alloyAn attempt was made to improve on the properties of the candidate jet engine turbine blade material AG-60, a gamma/gamma prime-alpha Mo eutectic composite. Alloy 38 (AG-170) was evaluated in the greatest detail. This alloy, Ni-5.88 A1-29.74 Mo-1.65 V-1.2C Re (weight percent), represents an improvement beyond AG-60, based on mechanical testing of the transverse and/or longitudinal orientations over a range of temperatures in tension, shear, rupture, and rupture after thermal exposure. It is likely that other alloys in the study represent a similar improvement.
Document ID
19790012051
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Henry, M. F. (General Electric Co. Schenectady, NY, United States)
Jackson, M. R. (General Electric Co. Schenectady, NY, United States)
Gigliotti, M. F. X. (General Electric Co. Schenectady, NY, United States)
Nelson, P. B. (General Electric Co. Schenectady, NY, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1979
Subject Category
Metallic Materials
Report/Patent Number
NASA-CR-159416
SRD-78-191
Accession Number
79N20222
Funding Number(s)
CONTRACT_GRANT: NAS3-20383
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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