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- Title
Tensile creep behaviour of NiAl-Cr(Zr) multiphase intermetallic alloy.
- Authors
Qi, Y. H.; Guo, J. T.; Cui, C. Y.
- Abstract
The microstructure of a multiphase NiAl-33.5Cr-0.5Zr intermetallic alloy was examined by SEM with energy dispersive spectroscopy and TEM. The tensile creep behaviour of the hot isostatically pressed NiAl-33.5Cr-0.5Zr alloy was studied. The results of the creep test indicated that all of the creep curves under the present test have similar characteristics: a short primary creep stage, a dominant tertiary creep stage, and nearly identical creep strains (~45%). The apparent stress exponent and the apparent activation energy were analysed and discussed. The mechanism of the creep deformation was also analysed by the observation of TEM.
- Subjects
MICROSTRUCTURE; ALLOYS
- Publication
Materials Science & Technology, 2003, Vol 19, Issue 3, p399
- ISSN
0267-0836
- Publication type
Article
- DOI
10.1179/026708303225009689