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Intrinsic Misfit Dislocations on 120° Interface in TiAl
Published online by Cambridge University Press: 10 February 2011
Abstract
The misfit between 120° rotational variants of the lamellar structure in γ-phase TiAl with the ordered L10 lattice is analysed. It is shown that such a misfit on the (111) interface plane, which has a shear character, can be accommodated by one, two or three arrays of interface intrinsic dislocations. One example of interface dislocation structure observed by transmission electron microscopy is presented.
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- Research Article
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- Copyright © Materials Research Society 1999
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