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Calculation of Local Elastic Constants at a Metallic Grain Boundary

Published online by Cambridge University Press:  22 February 2011

M. D. Kluge ,
J. F. Lutsko ,
D. Wolf  and
S. R. Phillpot
M. D. Kluge
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
J. F. Lutsko
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
D. Wolf
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
S. R. Phillpot
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
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Abstract

A new atomistic-simulation method for calculating the full local elastic-constant tensor in terms of local stress and local strain for inhomogeneous systems is described. Results of simulations of an isolated high-angle twist grain boundary are presented. A dramatic reduction in resistance to shear parallel to the grain boundary is observed, and its relation to structural disorder is discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 153: Symposium J – Interfaces Between Polymers, Metals, and Ceramics , 1989 , 55
Copyright
Copyright © Materials Research Society 1989

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References

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