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Microsc Microanal. 2002 Aug;8(4):247-56.

Electron microscopy observations on the role of twinning in the evolution of microstructures.

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1
National Center for Electron Microscopy, Lawrence Berkeley National Laboratory, 1, Cyclotron Rd., Berkeley, CA 94720, USA.

Abstract

Twinning plays an important role in phase transformations and can have significant effects on microstructural evolution. Different roles of twinning in the development of microstructures during precipitation and phase transformations are reviewed and illustrated with examples from investigations by high-resolution electron microscopy, including the effect of multiple twinning on the development of Ge precipitates in Al-Ge and Ag-Ge alloys, the twin dissociation of grain boundaries in Au, the formation of hexagonal Si at twin intersections and the effect of twin boundaries on the equilibrium shape of Pb inclusions in Al.

PMID:
12533222
DOI:
10.1017.S1431927602020184
[Indexed for MEDLINE]
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