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Interface Shear Strength and Fracture Behavior of NiAl/Metal Laminates

Published online by Cambridge University Press:  10 February 2011

M. R. Fox ,
S. Pickard  and
A. K. Ghosh
M. R. Fox
Affiliation:
Department of Materials Science and Engineering, The University of Michigan, Ann Arbor
S. Pickard
Affiliation:
Department of Materials Science and Engineering, The University of Michigan, Ann Arbor
A. K. Ghosh
Affiliation:
Department of Materials Science and Engineering, The University of Michigan, Ann Arbor
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Abstract

Mechanical response of interfaces between intermetallic matrices and ductile reinforcements is of considerable interest in intermetallic matrix composite design. A new approach has been developed to study crack initiation at a planar bimaterial interface by loading one of the adjoining phases in compression. A primarily Mode II stress state with different degrees of superimposed tensile and compressive loading develops at the interface as predicted by FEM analysis. This test method has been used to study NiAl/Mo and NiAl/Cr interfaces in model laminates.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 458: Symposium W – Interfacial Engineering for Optimized Properties , 1996 , 471
Copyright
Copyright © Materials Research Society 1997

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