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Cyclic creep and fatigue of TD-NiCr (thoria-dispersion-strengthened nickel-chromium), TD-Ni, and NiCr sheet at 1200 CThe resistance of thin TD-NiCr sheet to cyclic deformation was compared with that of TD-Ni and a conventional nickel-chromium alloy. Strains were determined by a calibration technique which combines room-temperature strain gage and deflection measurements with high-temperature deflection measurements. Analyses of the cyclic tests using measured tensile and creep-rupture data indicated that the TD-NiCr and NiCr alloy specimens failed by a cyclic creep mechanism. The TD-Ni specimens, on the other hand, failed by a fatigue mechanism.
Document ID
19720007871
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Technical Note (TN)
Authors
Hirschberg, M. H. (NASA Lewis Research Center Cleveland, OH, United States)
Spera, D. A. (NASA Lewis Research Center Cleveland, OH, United States)
Klima, S. J. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 2, 2013
Publication Date
February 1, 1972
Subject Category
Materials, Metallic
Report/Patent Number
NASA-TN-D-6649
E-6601
Report Number: NASA-TN-D-6649
Report Number: E-6601
Accession Number
72N15521
Funding Number(s)
PROJECT: RTOP 134-03
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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