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Creep-Fatigue Resistance of a Nickel-Aluminide

Published online by Cambridge University Press:  26 February 2011

J. K. Tien  and
R. S. Bellows
J. K. Tien
Affiliation:
Center for Strategic Materials, Henry Krumb School of Mines, Columbia University, New York, NY 10027.
R. S. Bellows
Affiliation:
Center for Strategic Materials, Henry Krumb School of Mines, Columbia University, New York, NY 10027.
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Abstract

A modified fatigue test matrix that provided both creep (high mean stress) and fatigue (alternating stress) damage was used to evaluate the creep-fatigue behavior of D.S. Ni3 Al(B,Hf). The three generic regimes of below, at, and above peak yield strength temperature were investigated. It was found that the creep-fatigue resistance of this intermetallic remains high through the three temperature regimes, allowing it to be further considered as a monolith or as the matrix of high-temperature fiber reinforced composite.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 133: Symposium H – High-Temperature Ordered Intermetallic Alloys III , 1988 , 255
Copyright
Copyright © Materials Research Society 1989

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References

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