1992 | OriginalPaper | Chapter
Creep Deformation of B2 Aluminides
Author : M. V. Nathal
Published in: Ordered Intermetallics — Physical Metallurgy and Mechanical Behaviour
Publisher: Springer Netherlands
Included in: Professional Book Archive
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The creep resistance and elevated temperature deformation mechanisms in CoAl, FeAl, and NiAl are reviewed. The stress and temperature dependencies of the steady state creep rate, the primary creep behavior, the dislocation substructure, and the response during transient tests are used as the main indicators of the deformation processes. In single phase intermetallics, the influence of grain size, stoichiometry, and solid solution hardening have been examined. In addition, the effect of adding dispersoids, precipitates, and other types of reinforcements to improve creep strength are compared.