Two-dimensional character of an amorphous state in a eutectoid reaction of a Ti-40 at. % Al alloy

M. Tanimura, Y. Inoue, Yasumasa Koyama

    Research output: Contribution to journalArticle

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    Abstract

    Morphological and crystallographic features of an amorphous state appearing in an initial stage of a eutectoid reaction in a Ti-40 at. % Al alloy have been investigated by transmission electron microscopy. Dark field images with different electron incidences, which were taken by using a part of a halo ring, indicate that the shape of the amorphous-state region is basically a plate, the normal of which is parallel to the [00·1] direction of the D019 structure. In addition, lattice fringes corresponding to the (00·2) plane are often observed in the amorphous region. On the basis of these data, it is concluded that a lattice destruction in the amorphous region mainly occurs in the (00·1) plane of the D019 matrix.

    Original languageEnglish
    Pages (from-to)14063-14066
    Number of pages4
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume55
    Issue number21
    Publication statusPublished - 1997 Jun 1

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    matrices
    electrons
    Transmission electron microscopy
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    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    Two-dimensional character of an amorphous state in a eutectoid reaction of a Ti-40 at. % Al alloy. / Tanimura, M.; Inoue, Y.; Koyama, Yasumasa.

    In: Physical Review B - Condensed Matter and Materials Physics, Vol. 55, No. 21, 01.06.1997, p. 14063-14066.

    Research output: Contribution to journalArticle

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