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Low Cycle Fatigue of FeAl (42 at. % Al) at Room Temperature

Published online by Cambridge University Press:  15 February 2011

D. B. Hanes  and
R. Gibala
D. B. Hanes
Affiliation:
Department of Materials Science and Engineering, University of Michigan, 2300 Hay ward Dr., Ann Arbor, MI 48109
R. Gibala
Affiliation:
Department of Materials Science and Engineering, University of Michigan, 2300 Hay ward Dr., Ann Arbor, MI 48109
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Abstract

The monotonie mechanical behavior in tension and compression of FeAl has been well documented. However, very little work has been done on the cyclic deformation behavior of this material. In this work, the behavior of FeAl (42 at. % Al) under low cycle fatigue was studied, including the effects of test environments and surface coatings. It was found that the fatigue life of this alloy is limited by environmental embrittlement. This embrittlement process can be equally well prevented by deformation in an oxygen environment or by coating the alloy with a protective film. The type of film applied appears to have little effect. Similar results were seen in monotonie testing.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 460: Symposium Z – High-Temperature Ordered Intermetallic Alloys VII , 1996 , 361
Copyright
Copyright © Materials Research Society 1997

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References

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