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Atomic Structure Calculations of the Interaction between Lattice Dislocations and Grain Boundaries

Published online by Cambridge University Press:  16 February 2011

B. J. Pestman ,
J. Th. M. De Hosson ,
V. Vitek  and
F. W. Schapink
B. J. Pestman
Affiliation:
Department of Applied Physics, Materials Science Centre, University of Groningen, Nijenborgh 18, 9747 AG Groningen, The Netherlands
J. Th. M. De Hosson
Affiliation:
Department of Applied Physics, Materials Science Centre, University of Groningen, Nijenborgh 18, 9747 AG Groningen, The Netherlands
V. Vitek
Affiliation:
Department of Materials Science & Engineering, University of Pennsylvania, Philadelphia, PA 19104, U.S.A.
F. W. Schapink
Affiliation:
Department of Metallurgy, Technological University of Delft, Rotterdamseweg 137, 2628 AL Delft, The Netherlands
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Abstract

The interaction between screw dislocations and [1 1 0] symmetric tilt boundaries is investigated by atomistic calculations. In order to study the differences between fcc and ordered alloys and to study the effect of increasing ordering tendency, many-body potentials representing Cu, Cu3Au and Ni3Al were used. For the ordered alloys, the different possible ordering configurations of the boundaries that were studied are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 193: Symposium Q – Atomic Scale Calculations of Structure in Materials , 1990 , 205
Copyright
Copyright © Materials Research Society 1990

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References

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