Determination of site occupancy of additives X (X = V, Mo, W and Ti) in the Nb-Cr-X Laves phase by ALCHEMI

H. Okaniwa, D. Shindo, M. Yoshida, T. Takasugi

    研究成果: Article査読

    46 被引用数 (Scopus)

    抄録

    Atom location by channelling enhanced microanalysis (ALCHEMI) was carried out to investigate the site occupancy of additives X (X = V, Mo, W and Ti) in the Nb-Cr-X Laves phase. In order to make clear the detailed substitutional behavior of the additives, specimens with different compositions were prepared for each system. In the C15 structure of the Laves phase, fairly strong electron channelling effects were observed under two planar channelling conditions where the incident electron beams were nearly parallel to the (400) and (220) planes. It was shown that V prefers the Cr site, while Mo, W and Ti preferentially occupy the Nb site.

    本文言語English
    ページ(範囲)1987-1992
    ページ数6
    ジャーナルActa Materialia
    47
    6
    DOI
    出版ステータスPublished - 1999 4 23

    ASJC Scopus subject areas

    • 電子材料、光学材料、および磁性材料
    • セラミックおよび複合材料
    • ポリマーおよびプラスチック
    • 金属および合金

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