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Solidification processing of intermetallic Nb-Al alloysSeveral Nb-Al alloys, including single-phase NbAl3 and the eutectic of Nb2Al and NbAl3, were prepared either by nonconsumable arc melting in Ar or by zone processing in He following initial induction melting and rod casting, and the effect of the solidification route on the microstructure and room-temperature mechanical properties of these alloys was investigated. Automated control procedures and melt conditions for directional solidification of NbAl3 and the Nb2Al/Nb3Al eutectic were developed; high purity and stoichiometry were obtained. The effects of ternary additions of Ti and Ni are described.
Document ID
19920051242
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0956-716X(92)90650-4
Authors
Smith, Preston P. (NASA Lewis Research Center Cleveland, OH, United States)
Oliver, Ben F. (Tennessee, University Knoxville, United States)
Noebe, Ronald D. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 15, 2013
Publication Date
May 1, 1992
Publication Information
Publication: Scripta Metallurgica et Materialia
Volume: 26
ISSN: 0956-716X
Subject Category
Metallic Materials
Accession Number
92A33866
Distribution Limits
Public
Copyright
Other

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