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An Investigation of the Dislocation Structure of the NI/AG Phase Boundary

Published online by Cambridge University Press:  28 February 2011

T.A. Bamford
T.A. Bamford*
Affiliation:
Department of Engineering Wilkes College Wilkes-Barre, PA 18766
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Abstract

The Ni/Ag interphase boundary structure in the parallel cube-on-cube orientation was studied for the boundary planes (001) and (011). Coarsely spaced dislocations were found in all annealed interfaces; the origin of these was apparently differential thermal expansion of the bicrystal film. A detailed search for intrinsic periodic structure consistent with the O-lattice construction was made using X-ray diffraction, electron diffraction and transmission electron microscopy . No evidence for this could be found; such a relaxation, if present, is very weak. It is unlikely that such a small relaxation could account for the relative energy minimum associated with the parallel cube-on-cube orientation found by previous investigators.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 160 , 1989 , 189
Copyright
Copyright © Materials Research Society 1990

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