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Fracture and Fatigue of Niobium Silicide Alloys

Published online by Cambridge University Press:  01 February 2011

David M. Herman ,
Bernard P Bewlay ,
Laurent Cretegny ,
Richard DiDomizio  and
John Lewandowski
David M. Herman
Affiliation:
dxh122@case.edu, Case Western Reserve University, Department of Materials Science and Engineering, Cleveland, Ohio, United States
Bernard P Bewlay
Affiliation:
Bewlay@crd.ge.com, General Electric Global Research, Schenectady, New York, United States
Laurent Cretegny
Affiliation:
cretegny@crd.ge.com, General Electric Global Research, Schenectady, New York, United States
Richard DiDomizio
Affiliation:
didomizr@crd.ge.com, General Electric Global Research, Schenectady, New York, United States
John Lewandowski
Affiliation:
jjl3@case.edu, Case Western Reserve University, Department of Materials Science and Engineering, Cleveland, Ohio, United States
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Abstract

The fracture and fatigue behavior of refractory metal silicide alloys/composites is significantly affected by the mechanical behavior of the refractory metal phase. This paper reviews some of the balance of properties obtained in the alloys/composites based on the Nb-Si system. Since some of the alloy/composite properties are dominated by the behavior of the refractory metal phase, the paper begins with a review of data on monolithic Nb and its alloys. This is followed by presentation of results obtained on Nb-Si alloys/composites and a comparison to behavior of some other high temperature systems.

Keywords

fracturefatigueNb
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1128: Symposium U – Advanced Intermetallic-Based Alloys for Extreme Environment and Energy Applications , 2008 , 1128-U07-01
Copyright
Copyright © Materials Research Society 2009

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References

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