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Atomistic Study of Crack Propagation and Dislocation Emission in Cu-Ni Multilayers

Published online by Cambridge University Press:  10 February 2011

Jeff Clinedinst
Affiliation:
Department of Materials Science and Engineering, Virginia Tech, Blacksburg VA 24061
Diana Farkas
Affiliation:
Department of Materials Science and Engineering, Virginia Tech, Blacksburg VA 24061
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Abstract

We present atomistic simulations of the crack tip configuration in multilayered Cu-Ni materials. The simulations were carried out using molecular statics and EAM potentials. The atomistic structure of the interface was studied first for a totally coherent structure. Cracks were simulated near a Griffith condition in different possible configurations of the crack plane and front with respect to the axis of the layers. Results show that interface effects predominately control the mechanical behavior of the system studied.

Type
Research Article
Copyright
Copyright © Materials Research Society 1997

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Atomistic Study of Crack Propagation and Dislocation Emission in Cu-Ni Multilayers
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