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Slow strain rate 1200-1400 K compressive properties of NiAl-1HfCompression tests are conducted on NiAl-1Hf to assess the elevated-temperature creep behavior of this precipitation-hardened aluminide. While the strength is high under fast strain rates (more than 10 exp -5/s), under slower conditions the alloy is weak. Thus, it is unlikely that effective creep resistance can be obtained in NiAl through small Hf additions.
Document ID
19920035353
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/0167-577X(91)90199-G
Authors
Whittenberger, J. D. (NASA Lewis Research Center Cleveland, OH, United States)
Nathal, M. V. (NASA Lewis Research Center Cleveland, OH, United States)
Raj, S. V. (NASA Lewis Research Center Cleveland, OH, United States)
Pathare, V. M. (CPS Superconductor Corp. Milford, MA, United States)
Date Acquired
August 15, 2013
Publication Date
July 1, 1991
Publication Information
Publication: Materials Letters
Volume: 11
ISSN: 0167-577X
Subject Category
Metallic Materials
Accession Number
92A17977
Distribution Limits
Public
Copyright
Other

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