Formation mechanism of quasicrystals at the nanoscale during hot compression of Mg alloys

Hua Huang, Yuan Tian, Guangyin Yuan, Chunlin Chen, Wenjiang Ding, Zhongchang Wang

    研究成果: Article査読

    21 被引用数 (Scopus)

    抄録

    A comprehensive transmission electron microscopy investigation was conducted to gain insights into how the secondary phases in Mg-1.50Zn-0.25Gd alloys are transformed during hot compression. It was found that needle-like Mg4Zn7 phases precipitate in Mg matrix, yet vanish during compression, forming nano-quasicrystals. These nano-quasicrystals are found to nucleate on the Mg4Zn7 phase with orientation relationships [112â€-[Mg4Zn7[2-fold] I-phase, indicating that the crystal phase can transform to the quasicrystalline phase. The formation mechanism of the quasicrystals in Mg alloys at the nanoscale is also discussed.

    本文言語English
    ページ(範囲)61-64
    ページ数4
    ジャーナルScripta Materialia
    78-79
    DOI
    出版ステータスPublished - 2014 5月

    ASJC Scopus subject areas

    • 材料科学(全般)
    • 凝縮系物理学
    • 材料力学
    • 機械工学
    • 金属および合金

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