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On the Applicability of Continuity of Structure Ideas to Grain Boundaries in Hcp Metals

Published online by Cambridge University Press:  26 February 2011

Kisoo Shin  and
A.H. King
Kisoo Shin
Affiliation:
Department of Materials Science and Engineering, State University of New York at Stony Brook, Stony Brook NY 11794-2275
A.H. King
Affiliation:
Department of Materials Science and Engineering, State University of New York at Stony Brook, Stony Brook NY 11794-2275
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Abstract

In materials with cubic crystal lattices, the structures of grain boundaries are believed to change in a continuous manner as misorientation changes. They have been shown to change discontinuously as grain boundary phase transformations occur with changes of composition or temperature. In this paper we explore the possibilities of continuous and discontinuous structure changes with rnisorientation and temperature, for materials with hexagonal lattices. It is shown that the irrational c/;a ratio of most hexagonal metals gives rise to the likelihood of such transformations.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 122: Symposium I – Interfacial Structure, Properties, and Design , 1988 , 121
Copyright
Copyright © Materials Research Society 1988

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References

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