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Creep and tensile properties of several oxide dispersion strengthened nickel base alloysThe creep properties at 1365 K of several oxide dispersion strengthened (ODS) alloys were studied, where the creep exposures involved low strains, on the order of 1% or less, after nominally 100 hours of testing. It was found that ODS alloys possess threshold stresses for creep. Creep in polycrystalline ODS alloys is an inhomogeneous process. The threshold stresses in large grain size ODS Ni-20Cr and Ni-16Cr-4/5Al type alloys are dependent on the grain aspect ratio.
Document ID
19770059609
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Whittenberger, J. D. (NASA Lewis Research Center Cleveland, Ohio, United States)
Date Acquired
August 9, 2013
Publication Date
July 1, 1977
Publication Information
Publication: Metallurgical Transactions A - Physical Metallurgy and Materials Science
Volume: 8A
Subject Category
Metallic Materials
Accession Number
77A42461
Distribution Limits
Public
Copyright
Other

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